#1 Simple Bitcoin Price History Chart (Since 2009)

0xBitcoin

The first pure mined ERC20 Token for Ethereum, using the soliditySHA3 hashing algorithm. This is a smart contract which follows the original Satoshi Nakamoto whitepaper to form a fundamentally sound trustless currency. This combines the scarcity and fair distribution model of Bitcoin with the speed and extensibility of the Ethereum network. Thus, it is named 0xBitcoin or 0xBTC where 0x represents the Ethereum Network and ecosystem.
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Brasil Bitcoin

**BRASIL BITCOIN** Notícias, perguntas, descubra, denuncie. Tudo sobre **Bitcoin** aqui e no mundo. Bitcoin é a moeda da Internet: um dinheiro descentralizado e com alcance mundial. Diferente das moedas tradicionais como o dólar, os bitcoins são emitidos e gerenciados sem qualquer autoridade central que seja: não existe governo, empresa ou banco no comando do Bitcoin. Dessa forma ele é mais resistente a inflações selvagens e bancos corruptos. Com o Bitcoin, você pode ser seu próprio banco.
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Play Midnight Feedback: Give me issues or suggestions here!

If you're a loyal user of the Play Midnight plugin for Chrome/Firefox and have any suggestions or issues, feel free to post any feedback you have here! I appreciate the support!
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1/21/2018 Bitcoin Private Update

We have many updates for the community after this weekend, so we decided to write up an official statement on our progress:
 
 
Regards,
The Bitcoin Private/ZClassic Team
submitted by BitcoinPrivate to BitcoinPrivate [link] [comments]

Ariel Ling, COO of BitMax.io (BTMX.com) Exchange, Shared Insights of Crypto Industry (Part IV)

Ariel Ling, as the co-founder and COO of BitMax.io (BTMX.com), was invited to the interview by Fred Schebesta, the CEO of Crypto Finder (Finder.com). Ariel has 18-year progressive executive experience in strategic planning, business development, budgeting and financial analysis risk management, regulatory program implementation, and process improvement for operational efficiency. She has an in-depth understanding of capital market products (stocks, fixed income, foreign exchange) in financial services and the development of international banking strategic trends (M&A, market structure, regulatory reforms and their impact). Her lustrous career on Wall Street made this interview a popular link on YouTube.
(Link: https://www.youtube.com/watch?v=WBYK-w2uxWc)
F: Do you believe this going to help bring more institutions into the space?
A: I am not very familiar with TokenSoft. It really depends on who are the backers, institutional backers of this venture. If the institutional backers of this venture are well regarded, are reputable, absolutely. Because at the end of day if you look at the value chain, the exchanges they are doing trading, they are doing broker dealer, they are doing wallet management themselves, and they are doing custody themselves. It becomes very nebulous. So for TokenSoft, they understand security token, which means under my prediction, it’s completely regulated just like securities. For securities, you must have a custody, and you must have a clearing house. Those are inevitable. So for them, they want to take a step ahead, and I also think that’s a smart move.
F: And we had T0 exchange launched just last week as well. Let’s get back to that question. From a broader base of adoption in the space, for 2019, Ariel, what’s your prediction in where those are going to be cleaned up?
A: I can’t predict the regulatory progress because it really comes down to how each step the government takes; sometimes it takes longer, and sometimes it takes shorter. And when the lawmaking takes place, it always takes more time to get implemented.
F: Yes. And we also talked about the digital asset, the tokenization of asset.
A: Yeah, when I’m looking at it, there are people always saying there’s coin, and there’s token. So I like to use the word: digital asset. So there’s one aspect of currency coin. Those are typical like Bitcoin, Ethereum, and stable coins. So their functionality is actually getting interesting. The origin of Bitcoin is really a payment processing platform. So their development is kind of like FX. You can either hold it, hoping the value goes up, or use it to buy product and services. So they’re like foreign currencies. And there is the other aspect, securitized token. So the token itself would present, whether equity or debt, certain percentage of the underlying project or underlying venture. So for those, as long as they pass certain security test, they are treated as securities. From security trading perspective, if you look at how the Wall Street is structured, and how the US equity trading market is structured, it’s very simple. №1, You must have a broker dealer license in order to take the client order and to put on the risk; №2, all what exchanges do is order matching, and then providing liquidity to the market right? On the primary market it’s IPO, while on the secondary market it’s trading. And after the exchanges trade it, execute it, and then the clearing house comes in to make sure the books and records are verified. Money is moved from the banks to the brokerage accounts. And then the custody piece is that everybody can pick their own custody to hold the assets. So those are the components where I think for the US, the regulator has to make a very strong distinction between what will be subjected on CFCT, what is currency, or what is commodity, and then the rest of it falls under the SEC regime and what it takes — Is it the same as equity or slightly different? This I would think is similar to UK where the FCA has to think about as well. That leads to an interesting dynamic about utility token. This is where I don’t have a particular view, because utility token value is very diminished if you take the token outside of this particular platform. So it is designed to be used on a platform. So this is where I am actually interested in. I want to see how that gets developed from a regulatory perspective. And from a BitMax.io perspective, we put actually a bit more stringent requirement on ourselves. When we list a utility token and when we design it, we just follow the security markets. For example in US, that’s why you need a trusted custody structure just to support that. And in BitMax.io, it’s crypto to crypto; there is no fiat. So that aspect diminishes a little bit. And from a market trading manipulation surveillance perspective which is very heavy for equity, for example, if you trade anything, the regulator will get your report in real time, knowing every single step. So nobody could actually manipulate the market. We also take the same stand for our exchange. We monitor the volume, and we monitor trading behavior. If there’s someone abusing the market, meaning a robot or anything, we identify the account, we notify the account owners, saying whether it is wash trade or whether this is artificially to jag up the price and then dump it, and we give the time to correct. And if he/she doesn’t, we basically freeze the account. So the users can see that it is a fair market. We have probably applied this called market manipulation kind of rule. This is very classical for equity trading. Every single exchange must demonstrate the capability and behavior to do that.
F: OK. Two last things. You have been through four crises as you said through, like the dot-com bubble, Sarbanes Oxley, Lehman Brother collapse and European financial crisis. From your experience seeing all the rise and bust, where do you think we’re at in the cryptocurrency market.
A: I think this goes back to the trading aspect, depending on whether this is a V down or a U down or U curve. So the U curve is basically when the market collapses, it takes a longer time to find a bottom. It takes a longer time for the market to find the equilibrium. And once they find it, they rise up. Or, it’s like a quick collapse. It’s down very fast and reaches the bottom. And then, there’s some catalyst event, either catalyst from a market structure, or catalyst from the market expansion itself. Suddenly it gives a boost. And then it bounces right back up. So when I look at what is happening with digital asset or crypto trading, it’s a bubble to the extent, but it’s also a market correction. And I always compare this to the internet bubble to some extent, because I remember very vividly when I first started working in 1999 on the Wall Street, the Internet was so hot that you could get an IPO without even having a website. And Nasdaq peaked in basically 2000. But then, it collapsed. It took until 2015 for Nasdaq to reach back to the last peak. So you can see how many bubbles right about dot-com because people literally just forget about the economic valuation, the intrinsic business model that kind of aspects of it. So when you look at what happened in the crypto, the Bitcoin peaked at December of 2017. Around that period, there were many many projects that could raise money so easily. This is what we call air-projects. Do they really have fundamentals? Do they really have a viable business model? Do they really have a solid user base? If they do not have those three, then you would expect what would happen when people recognize the value of that token is not sustainable, going back to my finance view. When people see through that, with Bitcoin itself it’s going through a hard time, the rest of the altcoins are actually crushing a lot more dramatically than Bitcoin. So where do we see the balance, it is just my personal view that there are couple economic theories, and one of the theories is about cost. In the financial crisis, the worst, darkest day of banking crisis is the Lehman collapse. I was right in Lehman when they fell off the cliff. And then the domino went from Lehman to Morgan to every single bank. Every single bank felt the pressure. The bank stocks got depressed so hard. At that time one of the things from investors, especially those really smart traditional investors, was looking at the book value. So if the bank stock price, was lower than a quarter of book value, of course it was a value play. It’s below the cost, basically. So you go back to Bitcoin. Assuming it costs 3,000 dollars to mine a Bitcoin, maybe that’s where certain value investor will hold a view like from a valuation perspective that if the valuation is lower than what it takes to make it, it can be called a good value. So this is where it goes back to the market that from a trading perspective, the volatility you could see where there might be some breakthrough of different resistance levels. But at the end of day, it’s all about finding the equilibrium from a valuation perspective. When it hits there, then you will see the value investors come in. If it’s cheaper enough, there are more people who will probably look into it. So when it’s 20,000 for Bitcoin, do you know how many people can afford it? Maybe not, but what if it’s getting down 4000, 3000, and especially for certain countries are way more developed than certain countries, where people understand the liquidity and usage behind Bitcoin like you can use it, you can buy piece of coffee from Starbucks. Then it comes down to the value. So right now I think it really goes back to the fundamental from a finance perspective. It’s finding the valuation, the intrinsic value. Whether it’s currency token, or it’s an altcoin from a security type of token perspective.
F: Alright Ariel. That was incredible. We asked everybody on the show that what the price they think is going to be of Bitcoin on New Year’s Eve 2019 the clock strikes 12:00. We had a whole series of predictions last year in US dollars. What’s your prediction for the price of Bitcoin?
A: I think right now… hmm the Bitcoin right now is what? 35 hundred?
F: We are trading at 3468 dollars.
A: I don’t know. It’s crazy. I actually really like Bitcoin. I mean I like Bitcoin more now because it’s cheaper and I can buy it. But when you look at it before the crisis hit, I already hoped by the end of year if they could get back to 5000 I would be really happy, because it’s pretty much a psychologic level.
F: Okay.
A: Let’s hope for that.
F: Awesome. Ariel, thank you again for coming on to the show, and your incredible insight into the Wall Street market right now. And do check out guys on BitMax.io! We’ve got margin trading and some derivatives coming up, some new improvements we can see on the platform. Thank you very much again Ariel! We will see you guys TOMORROW!
submitted by BitMax_Support to BitMax [link] [comments]

CMV: a Bitcoin based world economy would be far better than the current fiat based one.

(beforehand I would like to thank bitcoin for providing most of the arguments and information)
My problem with fiat currency: My main problem with fiat currency in the current is that it gives governments way to much control. Call me conspiratorial, but the video Mike Maloney did on the Federal Reserve (https://www.youtube.com/watch?v=iFDe5kUUyT0) really worries me. The fact that there is constant debt, inflation and devaluation of the dollar (and other currencies) seems to be completely backwards of how it should be. The amount of spending governments can do now through deficit spending is way too high. My problem with fiat currency in general is that it that it requires a hierarchy of banks, rather than private transactions between individuals to work. It has an unpredictable supply, it's easily counterfeited, not very durable and inflation. Inflation incentives spending rather than saving. You might argue that spending drives the economy forth, but it also creates bad habits among people, and makes it more profitable to loan, rather than save. Banks and governments also have the power to freeze accounts and stop bank transactions to certain accounts, like Wikileaks for instance.
My case for bitcoin: First of all, it's simple, yes that doesn't mean it is any better necessarily, but it allows for much more economic innovation. having people have their own 'safes' (wallets) that are completely private and only accessible by the owner is intriguing. The fact that transactions happens directly between individual wallets, rather than between banks/central banks and that all wallets are equal sound like it allows for a lot more global trade. In poor nations with oppressive regimes, there would be no way the government could control the economy in a simple way. Free market would dominate the world and would create equality among nations. Lastly the fact that each individual bitcoin 'package' can be programmed to only go there or to do this remove a lot of unnecessary bureaucracy.
submitted by lars123mc to changemyview [link] [comments]

Who Accepts Bitcoin?

Who Accepts Bitcoin?
Bitcoin is the, without doubt, the biggest cryptocurrency. Many major companies around the world are now accepting bitcoin payment for online goods and services (in Denver, you can even use Bitcoin to pay for your parking!) An aggressive campaign led by Coinbase (where $1 million worth of transactions were processed for free) prompted large companies to start accepting bitcoin by using third-party services like Bitpay & Cryptopay. As the trend has been started it appears to be growing, so who accepts Bitcoin? There are some surprising companies and we’ve listed them below.
Who accepts Bitcoin?
KFC Canada – The world’s largest chicken franchise – KFC, is allowing customers in Canada to pay for “The Bitcoin Bucket” using bitcoins for a limited time. “The Bitcoin Bucket”, a themed container can be purchased for $20 CAD, and is delivered to customers. The digital currency is accepted only via BitPay – an online payment mode and does not encourage customers to pay crypto at the cash counters.
Overstock.com – This large online retail store sells electronic products at minimal prices due to excess stock. Overstock.com allows customers to buy using bitcoin. It is the first major retailer to accept bitcoins and other major cryptocurrencies.
Subway – Subway in Buenos Aires has begun to accept bitcoin as a payment method. The belief is that accepting bitcoin as a method of payment would increase business.
Microsoft – The tech giant Microsoft is enabling users to create a Microsoft account in which the user can deposit Bitcoin. A well-structured process allows users then, to utilize these funds for purchasing movies, games, and apps in Xbox stores and Windows.
Reddit – Reddit; a community that provides thousands of your favorite things. It allows you to buy premium features with bitcoins.
Virgin Galactic – Bitcoins are taking the place of old conventional currencies at a fast pace. Sir Richard Branson, founder of Virgin Group including Virgin Galactic, Virgin Mobile, Virgin Airline, (and many more) has said that Virgin is accepting bitcoins to reserve tickets for a space travel. Branson feels that Bitcoin is a low-risk option; he has invested in it in the past and encourages others to do so now. Space travel costs 98 bitcoins or 250,000 US Dollars.
OkCupid – OkCupid, the world’s most popular dating site has started accepting cryptocurrency. By partnering with Coinbase, OkCupid allow users to subscribe with bitcoin. The costs for a “premium subscription” list called the “A-List”, can be up to 0.10 bitcoins or $10 a month.
Namecheap – A domain name registrar and web hosting company with nearly 3 million domains are accepting the digital currency as a method of payment for their services. Namecheap is the first company among numerous domain name registrar companies to accept bitcoins for registering a website, hosting domains, etc.
CheapAir.com – Now, you can spend a little of your cryptocurrency on airline reservations, hotel bookings, and car rentals. CheapAir.com, a travel booking site enables customers to purchase both domestic and international flight tickets with bitcoin. It is the only company to accept bitcoin currency for air travel and customers can pay from their Coinbase wallets.
Expedia.com – The exclusive online travel booking agency Expedia, has partnered with Coinbase to create a bitcoin payment option. Since June 2014, Expedia users have been able to book their hotels with bitcoins. As of now, Expedia is accepting digital currency only for hotel bookings.
Gyft – Gyft, a leading digital gift card retailer offers gift cards in exchange for bitcoin. The association of Gyft with Coinbase ensures that bitcoin payments are made via a Coinbase wallet. Gift cards can be redeemed or used to purchase goods at over 200 retailers.
Newegg.com – Popular online computer hardware and electronics retailer now accepts bitcoin as payment. With bitpay as the digital currency processing partner, Newegg expects to see higher sales in certain product categories.
Wikipedia – Wikipedia, the free online encyclopedia with more than 4,570,000 articles has established a partnership with Coinbase to accept donations in the form of virtual currency. To provide users with an ease of choosing payment options, Wikipedia’s donation page is now flexible to make one-time or recurring donations using bitcoin.
Alza – The biggest and most successful Czech e-retailer store has introduced bitcoin payments for shoppers. In many of its showrooms, bitcoin ATMs are available to facilitate smoother transactions for those paying in bitcoin. It is accepted via BitPay.
The Internet Archive – The internet archive provides free access to web documentation such as music, software applications, games, and so on. It has expressed its interest in accepting digital currencies as donations. This nonprofit organization assures its supporters to use bitcoins to enhance its operations and achieve its mission of providing free and secure services to the public.
PizzaforCoins – Want pizza? Order now and pay using bitcoins at PizzaforCoins. Any pizza joint including Pizza Hut, Dominos or Papa John’s is available with this service. Order now, enjoy your meal and pay with bitcoins. It also accepts more than 50 other cryptocurrencies.
Reeds Jewels, Inc. – At REEDS.com, you can shop exclusive jewelry, watches, and loose diamonds with your bitcoins using a bitcoin wallet like Coinbase. Reeds Jewels has brick-and-mortar stores in 13 states and also offers online shopping. Purchase of loose diamonds is complimented with a free delivery.
Shopify Stores – Looking to spend bitcoins? Shopify – an e-commerce platform, helps merchants to sell their commodities through an online platform similar to eBay. Shopify has recognized digital currency and is integrated with BitPay to simplify the payment process.
Final thoughts…
Many companies are embracing digital currencies by partnering with crypto platforms to transfer digital funds in exchange for goods and services. Though many of the larger companies have started t0 accept bitcoin, so many are still lagging behind and have yet to jump on the band-wagon. The reality is that the future of online shopping is definitely heading towards virtual currencies and the time has come for bitcoin to be a staple payment option when you reach the tills. If you’re not in, you can’t win.
The source of this article: CryptoCurrency News
https://preview.redd.it/u8ha9x7d70i11.png?width=1280&format=png&auto=webp&s=7b7d3710b06e187e669338c5a496a065a3f7d8d2
submitted by Lumi_wallet to LumiWallet [link] [comments]

BitWhite News 13.06.18.

*** Technical Updates ***
  1. Consensus will be updated on Main net this Friday. !Note: Beginning from Jun 15, don't perform any transaction a couple of days until we tell you. All delegates, please be ready by this time and check that your nodes are prepared for running.
Description of Consensus New feature. - The delegate rating will fall down, if the node stops working, by 0.01% every 101 blocks. The rating will be decreasing until inactive delegate drops out of the top 101 list. Delegate can restore the work of the node and start creating blocks again, in such case rating will be increasing by the similar way, + 0.01% every 101 bloks. Pay attention, that after dropping out from the top 101, delegate can be returned only by receiving additional votes.
  1. Added the minVersion parameter to disconnect the network from the old version in case of an update.
*** Reminder of Consensus logic ***
- 40% of the general delegate's income will go to the DAO Budget - 60% of the general delegate's income will go to Delegate. Delegate will decide how to use them, he can share this profit between his candidates (voters) at one's own discretion - how much BTW and to whom it will be send. - The rate of the candidate's income depends on the weight of the candidate's vote - The weight of the vote depends on the amount of BTW coins in the wallet
*** Local groups reorganization ***
- Africa Hub will be eliminated, all African countries will have their own local group. - Asia Hub will be eliminated, all Asia countries will have their own local group. - BitWhite corp2 will be eliminated, for now will be only one Main Corp.
*** Representatives progress ***
Meet the Representatives that will advance and protect the interests of the BTW community in their countries! - Chris Butler - USA - Daniel Muller - Norway - Raizalyn Razo - Philippines - Emmanuel Adams - Nigeria - Erhan Gokalp - Turkey - Zellagui Bilal - Algeria
We are continue to recruit new Representatives for other countries. All of them will be presented on the website. You can cooperate with them, discuss general issues, give suggestions and help each other, because they are your local reps.
*** Admins in local chats ***
Meet the Admins that will keep order in local group, answer the questions, provide feedback from community to dev team!
- @Garrycat - Indonesia - @AceMediaGroup - Nigeria - @PVHbabu - India - @Erchh - Philippines - @Ellelooks - Nigeria - @Z_y_v - Spanish - @talhaunsal - Turkey - @cryptowhit3 - Croatian - @Allyjay - Kenya - @nezbill19 - Arabic - @DannyMT90 - Scandinavian - @lcanaldomaxxorl - Portuguese - @GlobalTrader07 - Philippines - @Mdrag16 - Philippines - @Fondago - German + Russian - @BlankWu - Chinese - @Bibop99 - Vietnam - @Possum51 - BitcoinTalk
Respect administrators, communicate with them and provide your suggestions.
*** Additional set to BTW legion ***
  1. We announce additional set for Representatives. Their mission is the development of BTW in their own country or region.
Main responsibilities of representatives: 1. Advance and protect the interests of the entire BTW community on their region. 2. Develop and supervise a local BTW community. 3. Conduct the necessary negotiations, for example with funds, stock exchanges, investors, companies, private person, government agencies and all the others who will be interested in working with the BitWhite project and using BTW. 4. Promote the use of BTW. 5. Publicly speak at various conferences and Mitapahs.
Form for Represantative request: https://docs.google.com/…/1TGDSg_WpPDREmkY21pihIFT91e…/edit…
  1. We still looking for external developers. Form for External Devs request: https://docs.google.com/…/1MlsGWzXyS7b7GiB9s1Ud51-Xzi…/edit…
  2. We still looking for admins in local groups Hrvatski (Croatian) Deutsch (German) Ελληνικά (Greek) Italiano (Italian) 日本語 (Japanese) Nederlands (Dutch) 한국어 (Korean) Polski (Polish) Română (Romanian) Română (Romanian)
Admins request: https://docs.google.com/…/1nvUoLcbtUiKiznxDPESlIEccus…/edit…
or contact @Muviton777 directly. t.me/WhiteBitcoin https://bitwhite.org/ #BitWhite #BTW
submitted by BitWhite to u/BitWhite [link] [comments]

[ANN][ICO Running] Wrapper. I2P Market. Zerocoin Source and Fourier Protocol

Wrapper. http://wrapperproject.com/
You can read the first version of the whitepaper: http://wrapperproject.com/wp-content/uploads/2016/11/WrapperWhitepaper1_0.pdf
ICO Link - https://c-cex.com/?p=wrp-btc The ICO (Initial Coin Offer) of 10 Million WRP will be conducted by c-cex.com. You can read the ICO terms here. The offer will last three weeks, with rewards for early investors. The price schedule will be the following: First week (12/11/16 16:00 to 19/11/16 18:00): 1.0510-5 BTC/WRP (30% reward); Second week (19/11/16 18:00 to 26/11/16 18:00): 1.210-5 BTC/WRP (20% reward); Third week (26/11/16 18:00 to 3/12/16 18:00): 1.5*10-5 BTC/WRP (No reward).
All times are GMT +0. Any unsold WRA will be burned by c-cex.
The Tech One of the biggest flaws in Bitcoin-based cryptocurrencies is their pseudo-privacy. Every transaction is recorded in the blockchain and publicly accessible. In a world where confidentiality is a major concern, there's demand for a more privacy-concerned approach to cryptocurrency. Wrapper is here to fix that. We use a mathematical tool present in fields ranging from Quantum Mechanics to Telecommunications called "Discrete Fourier Transform (DFT)".
Wrapper differs from other cryptocurrencies by building itself on top of something we call the “Fourier Protocol”. The Fourier Protocol is a way to implement privacy while drastically reducing the size of the blocks in a Bitcoin-based currency. Fourier works by associating each block with a periodic wave of period T0.
Periodic waves have the following properties: They can be written as a sum of sines and cosines. They are, in the frequency domain, represented by discrete functions.
The protocol uses these properties by encoding transactions as waves and summing them to the wave of their corresponding block, reducing drastically the size (in disk) needed to store each block.
A typical wrapper transaction between Bob and Alice has 4 phases: 1 - Bob, who’s sending WRP to Alice, signs the transaction with his private key and Alice’s address. 2 - Bob tells the other nodes about the transaction, adding two waves to the block wave: one with fundamental frequency lower than BLOCK_CUT_FREQUENCY, and one with fundamental frequency higher than BLOCK_CUT_FREQUENCY. The first one tells Alice there’s a transaction in that block for her. The second one is the transaction itself. 3 - Alice gets the block and analyzes the wave, checking if there are any transactions for her. 4 - If there are any transactions to one of her addresses Alice decodes them and the coins appear in her wallet.
An extra layer of security Besides the privacy added by Zerocoin, which is already a very well thought-out and academically interesting protocol, you will have the option to hide your transaction using an extra layer provided by Fourier. If selected, Fourier Privacy will hash the frequency of the wave that tells there is a transaction in a block for a certain receiver, in a way only the holder of the receiver’s private key can decode. Making it virtually impossible (as per computing power in 2016) for another system element to know there’s a transaction in that block for that receiver.
What are the disadvantages of the fourier protocol? The most relevant is that it takes 4 to 5 times longer to index a block in fourier based blockchains. This is due to a lot more computation time being needed to process: The convolution needed to low pass the signal in a block and check for transactions to a given user. The discrete fourier transform required to read a block. The inverse discrete fourier transform required to add a transaction to a block.
This means that, when you open your wallet for the first time, it will take longer to synchronize with the network, although it shouldn’t feel very different throughout the rest of the implementation.
Use Cases The Wrapper Team is building and I2P market that uses Wrapper as a transaction currency. You can check it out here: http://kyh5mfbv3464fnzaoa2ode3qpv6chptkq7i76axtjnmjskcdi5fq.b32.i2p/
More Info Read the FAQ: http://wrapperproject.com/faq/ to read more about wrapper and about our ICO. You can follow Wrapper on twitter: https://twitter.com/WrapperTeam and checkout the dev blog: http://wrapperproject.com/blog/ for the latest development updates. Please use this PGP key when communicating with the wrapper team:
-----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v2
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WRAPPER IS HIRING Do you have experience with Tor networking and/or C++ and want to work in something revolutionary? If so, send us a message. Please use PGP ALWAYS.
submitted by Vindyne8 to icocrypto [link] [comments]

What is Bitcoin? A Step-By-Step Guide For Beginners An in-depth guide by BlockGeeks

An in-depth guide by BlockGeeks
Content available at: http://bit.ly/smarterspending
If you want to know what is Bitcoin, how you can get it and how it can help you, without floundering into technical details, this guide is for you. It will explain how the system works, how you can use it for your profit, which scams to avoid. It will also direct you to resources that will help you store and use your first pieces of digital currency.
What is Bitcoin in a nutshell Small wonder that Bitcoin emerged in 2008 just after Occupy Wall Street accused big banks of misusing borrowers’ money, duping clients, rigging the system, and charging boggling fees. Bitcoin pioneers wanted to put the seller in charge, eliminate the middleman, cancel interest fees, and make transactions transparent, to hack corruption and cut fees. They created a decentralized system, where you could control your funds and know what was going on.
Bitcoin has come far in a relatively short time. All over the world, companies, from REEDS Jewelers, a large jewelry chain in the US, to a private hospital in Warsaw, Poland, accept its currency. Billion dollar businesses such as Dell, Expedia, PayPal, and Microsoft do, too. Websites promote it, publications such as Bitcoin Magazine publish its news, forums discuss cryptocurrency and trade its coins. It has its application programming interface (API), price index, and exchange rate.
Problems include thieves hacking accounts, high volatility, and transaction delays. On the other hand, people in third world countries may find Bitcoin their most reliable channel yet for giving or receiving money.
What is Bitcoin in-depth? At its simplest, Bitcoin is either virtual currency or reference to the technology. You can make transactions by check, wiring, or cash. You can also use Bitcoin (or BTC), where you refer the purchaser to your signature, which is a long line of security code encrypted with 16 distinct symbols. The purchaser decodes the code with his smartphone to get your cryptocurrency. Put another way; cryptocurrency is an exchange of digital information that allows you to buy or sell goods and services.The transaction gains its security and trust by running on a peer-to-peer computer network that is similar to Skype, or BitTorrent, a file-sharing system.
Bitcoin Transactional properties:
1.) Irreversible: After confirmation, a transaction can‘t be reversed. By nobody. And nobody means nobody. Not you, not your bank, not the president of the United States, not Satoshi, not your miner. Nobody. If you send money, you send it. Period. No one can help you, if you sent your funds to a scammer or if a hacker stole them from your computer. There is no safety net.
2.) Pseudonymous: Neither transactions or accounts are connected to real world identities. You receive Bitcoins on so-called addresses, which are randomly seeming chains of around 30 characters. While it is usually possible to analyze the transaction flow, it is not necessarily possible to connect the real world identity of users with those addresses.
3.) Fast and global: Transaction is propagated nearly instantly in the network and are confirmed in a couple of minutes. Since they happen in a global network of computers they are completely indifferent of your physical location. It doesn‘t matter if I send Bitcoin to my neighbour or to someone on the other side of the world.
4.) Secure: Bitcoin funds are locked in a public key cryptography system. Only the owner of the private key can send cryptocurrency. Strong cryptography and the magic of big numbers makes it impossible to break this scheme. A Bitcoin address is more secure than Fort Knox.
5.) Permissionless: You don‘t have to ask anybody to use cryptocurrency. It‘s just a software that everybody can download for free. After you installed it, you can receive and send Bitcoins or other cryptocurrencies. No one can prevent you. There is no gatekeeper.
Judd Bagley: What is BlockchainThe creator of bitcoin figured out a way to let two entities confidently trade directly with one another, without the need to rely on all these intermediaries. The key is mathematics. As long as we both trust in math, we can be confident the exchange to occur as expected.
Bitcoin uses public key cryptography and an innovative approach to bookkeeping to achieve the authorization, balance verification, prohibition on double spending, delivery of assets and record inalterability described above. And it happens in near real time at no cost.
Cryptography ensures authorization. You need a private key to transact. And your key is complex enough that it would take the best computer longer than the earth has existed to crack it. In other words, it’s essentially unhackable.
– Director of Communications at Overstock.com and Chief Evangelist at t0.com
Where can I find Bitcoins? First, we would recommend you read this in-depth guide for buying Bitcoin.
You can get your first bitcoins from any of these four places.
A cryptocurrency exchange where you can exchange ‘regular’ coins for bitcoins, or for satoshis, which are like the BTC-type of cents. Resources: Coinbase and LocalBitcoins in the US & Canada, and BitBargain UK and Bittylicious in the UK. A Bitcoin ATM (or cryptocurrency exchange) where you can change bitcoins or cash for another cryptocurrency. Resources: Your best bets are BTER and CoinCorner A classified service where you can find a seller who will help you trade bitcoins for cash. Resources: The definitive site is LocalBitcoins. You could sell a product or service for bitcoins. Resources: Sites like Purse. Caution! Bitcoin is notorious for scams, so before using any service look for reviews from previous customers or post your questions on the Bitcoin forum.
How does Bitcoin work? Without getting into the technical details, Bitcoin works on a vast public ledger, also called a blockchain, where all confirmed transactions are included as so-called ‘blocks.’ As each block enters the system, it is broadcast to the peer-to-peer computer network of users for validation. In this way, all users are aware of each transaction, which prevents stealing and double-spending, where someone spends the same currency twice. The process also helps blockchain users trust the system.
“Unlike traditional currencies, which are issued by central banks, Bitcoin has no central monetary authority. Instead it is underpinned by a peer-to-peer computer network made up of its users’ machines, akin to the networks that underpin BitTorrent, a file-sharing system, and Skype, an audio, video and chat service. Bitcoins are mathematically generated as the computers in this network execute difficult number-crunching tasks, a procedure known as Bitcoin “mining”. The mathematics of the Bitcoin system were set up so that it becomes progressively more difficult to “mine” Bitcoins over time, and the total number that can ever be mined is limited to around 21 million. There is therefore no way for a central bank to issue a flood of new Bitcoins and devalue those already in circulation.”
What is Bitcoin? A Step-By-Step Guide For BeginnersSave How can I store my bitcoins? To see how the system works, imagine someone called Alice who’s trying out Bitcoins. She’d sign up for a cryptocurrency wallet to put her bitcoins in.
The Bitcoin Wallets
There are three different applications that Alice could use.
Full client – This is like a standalone email server that handles all aspects of the process without relying on third-party servers. Alice would control her whole transaction from beginning to end by herself. Understandably, this is not for beginners. Lightweight client – This is a standalone email client that connects to a mail server for access to a mailbox. It would store Alice’s bitcoins, but it needs a third-party-owned server to access the network and make the transaction. Web client – This is the opposite of “full client” and resembles webmail in that it totally relies on a third-party server. The third party replaces Alice and operates her entire transaction. You’ll find wallets that come in five main types: Desktop, mobile, web, paper and hardware. Each of these has its advantages and disadvantages.
How do I buy and sell stuff with Bitcoins? Here’s the funny thing with Bitcoins: there are no physical traces of them as of dollars. All you have are only records of transactions between different addresses, with balances that increase and decrease in their records that are stored on the blockchain.
To see how the process works, let’s return to Alice.
Example of a Bitcoin transaction
Alice wants to use her Bitcoin to buy pizza from Bob. She’d send him her private “key,” a private sequence of letters and numbers, which contains her source transaction of the coins, amount, and Bob’s digital wallet address. That “address” would be another, this time, the public sequence of letters and numbers. Bob scans the “key” with his smartphone to decode it. At the same time, Alice’s transaction is broadcast to all the other network participants (called “nodes”) on her ledger, and, approximately, ten minutes later, is confirmed, through a process of certain technical and business rules called “mining.” This “mining” process gives Bob a score to know whether or not to proceed with Alice’s transaction.
The transaction between Alice and Bob
What is Mining? Mining, or processing, keep the Bitcoin process secure by chronologically adding new transactions (or blocks) to the chain and keeping them in the queue. Blocks are chopped off as each transaction is finalized, codes decoded, and bitcoins passed or exchanged.
Miners can also generate new bitcoins by using special software to solve cryptographic problems. This provides a smart way to issue the currency and also provides an incentive for people to mine.
The reward is agreed-upon by everyone in the network but is generally 12.5 bitcoins as well as the fees paid by users sending transactions. To prevent inflation and to keep the system manageable, there can be no more than a fixed total number of 21 million bitcoins (or BTCs) in circulation by the year 2040, so the “puzzle” gets increasingly harder to solve.
What do I need to know to protect my Bitcoins? Here are four pieces of advice that will help your bitcoins go further.
As you’d do with a regular wallet, only store small amounts of bitcoins on your computer, mobile, or server for everyday uses, and keep the remaining part of your funds in a safer environment.
Backup your wallet on a regular basis and encrypt your wallet or smartphone with a strong password to protect it from thieves (although, unfortunately, not against keylogging hardware or software). Store some of your bitcoins in an offline wallet disconnected from your network for added security. Think of this as a bank, while you, generally, keep only some of your money in your wallet. Update your software. For added protection, use Bitcoins’ multi-signature feature that allows a transaction to require multiple independent approvals to be spent.
Spending some time on these steps can save your money.
We recommend the Nano Ledger S – Hardware Wallet
Nano Ledger S is just as secure as the other two hardware wallets. It is popular because of its relatively low price of $65 compared to its competitors. Being smaller than KeepKey, it is more portable and easier to carry around. It is a hardware wallet that comes at a very competitive price.
What else do I need to know? Protect your address: Although your user identity behind your address remains anonymous, Bitcoin is the most public form of transaction with anyone on the network seeing your balances and log of transactions. This is one reason why you should change Bitcoin addresses with each transaction and safeguard your address. You can also use multiple wallets for different purposes so that your balance and transaction history remain private from those who send you money.
Your confirmation score: As said, you receive a confirmation score of about 10 minutes before you make your purchase. Different wallets have their own reading.
Government taxes and regulations: Government and local municipalities require you to pay income, sales, payroll, and capital gains taxes on anything that is valuable – and that includes bitcoins. The legal status of Bitcoin varies from country to country, with some still banning its use. Regulations also vary with each state. In fact, as of 2016, New York state is the only state with a bitcoin rule, commonly referred to as a BitLicense.As shown in the Table above, zero is the least with the number 3 being the most reliable for average bitcoin transfers. If you’re sending or paying for, something valuable, wait until you, at least, receive a 6.
What are the disadvantages of Bitcoin? Bitcoin got off on the wrong foot by claiming an apocryphal person (or persons), Satoshi Nakamoto as its founder. Nakamoto has never been found.
Regarding more practical concerns, hacking and scams are the norms. They happen at least once a week and are getting more sophisticated. Bitcoin’s software complexity and the volatility of its currency dissuade many people from using it, while its transactions are frustratingly slow. You’ll have to wait at least ten minutes for your network to approve the transaction. Recently, some Reddit users reported waiting more than one hour for their transactions to be confirmed.
Scams to watch out for
The four most typical Bitcoin scams are Ponzi schemes, mining scams, scam wallets and fraudulent exchanges.
Ponzi Scams: Ponzi scams, or high-yield investment programs, hook you with higher interest than the prevailing market rate (e.g. 1-2% interest per day) while redirecting your money to the thief’s wallet. They also tend to duck and emerge under different names in order to protect themselves. Keep away from companies that give you Bitcoin addresses for incoming payments rather than the common payment processors such as BitPay or Coinbase. Bitcoin Mining Scams: These companies will offer to mine outrageous amounts of bitcoin for you. You’ll have to pay them. That’s the last you’ll see of your money (with no bitcoins to show for it, either). Bitcoin Exchange Scams: Bitcoin Exchange Scams offer features that the typical bitcoin wallets don’t offer, such as PayPal/Credit Card processing, or better exchange rates. Needless to say, these scams leave you in the hang while they siphon your dollars. Bitcoin Wallet Scams: Bitcoin scam wallets are similar to online wallets – with a difference. They’ll ask you for your money. If robbers like the amount, that’s the last you’ll see of your deposit. The address, in other words, leads to them, rather than to you. Of all of these, wallet scams are the most popular with scammers managing to pinch millions.
What are the advantages of Bitcoin? The best thing about Bitcoin is that it is decentralized, which means that you can settle international deals without messing around with exchange rates and extra charges. Bitcoin is free from government interference and manipulation, so there’s no Federal Reserve System‍ to hike interest rates. It is also transparent, so you know what is happening with your money. You can start accepting bitcoins instantly, without investing money and energy into details, such as setting up a merchant account or buying credit card processing hardware. Bitcoins cannot be forged, nor can your client demand a refund.
It’s small wonder that users call Bitcoin “Money 2.0” or that Bill Gates called it “a techno tour de force
An in-depth guide by BlockGeeks
Content available at: http://bit.ly/smarterspending
submitted by smartspender to u/smartspender [link] [comments]

Help wanted: I'm giving my first bitcoin presentation!

I am assembling my first official presentation on bitcoin/blockchain technology. The audience is technical but may not have any prior knowledge in this area of study. As such, my primary goal is to convey the entire picture somewhat "in a nutshell" so that someone observing the presentation would walk away with a general understanding of how everything works. The amount of time I have allotted is approximately 30 minutes and I plan to find and use visuals for basic concepts.
Listed below is my rough outline that has not yet been translated into a visual story (ie slides). I want to make sure I get the foundation correct first. I am still learning myself, so some of these concepts may not be clear or may even be wrong. I'd greatly appreciate any input or suggestions here. If I'm missing anything major please let me know!
(note: any links provided are for bibliography/source info purposes)
Thank you in advance.
concept A. crypto: private key + public key: ability to communicate securely
concept B. proof-of-work: solve a puzzle (costly), but verify answer quickly
concept C. byzantine generals: reach consensus, eliminate the need for trust
practical uses of bitcoin and blockchain technologies today
EDIT: some improvements/additions
submitted by dusktrader to Bitcoin [link] [comments]

[ANN][ICO Running] Wrapper. I2P Market. Zerocoin Source and Fourier Protocol

Wrapper. http://wrapperproject.com/
You can read the first version of the whitepaper: http://wrapperproject.com/wp-content/uploads/2016/11/WrapperWhitepaper1_0.pdf
ICO Link - https://c-cex.com/?p=wrp-btc The ICO (Initial Coin Offer) of 10 Million WRP will be conducted by c-cex.com. You can read the ICO terms here. The offer will last three weeks, with rewards for early investors. The price schedule will be the following: First week (12/11/16 16:00 to 19/11/16 18:00): 1.0510-5 BTC/WRP (30% reward); Second week (19/11/16 18:00 to 26/11/16 18:00): 1.210-5 BTC/WRP (20% reward); Third week (26/11/16 18:00 to 3/12/16 18:00): 1.5*10-5 BTC/WRP (No reward).
All times are GMT +0. Any unsold WRA will be burned by c-cex.
The Tech One of the biggest flaws in Bitcoin-based cryptocurrencies is their pseudo-privacy. Every transaction is recorded in the blockchain and publicly accessible. In a world where confidentiality is a major concern, there's demand for a more privacy-concerned approach to cryptocurrency. Wrapper is here to fix that. We use a mathematical tool present in fields ranging from Quantum Mechanics to Telecommunications called "Discrete Fourier Transform (DFT)".
Wrapper differs from other cryptocurrencies by building itself on top of something we call the “Fourier Protocol”. The Fourier Protocol is a way to implement privacy while drastically reducing the size of the blocks in a Bitcoin-based currency. Fourier works by associating each block with a periodic wave of period T0.
Periodic waves have the following properties: They can be written as a sum of sines and cosines. They are, in the frequency domain, represented by discrete functions.
The protocol uses these properties by encoding transactions as waves and summing them to the wave of their corresponding block, reducing drastically the size (in disk) needed to store each block.
A typical wrapper transaction between Bob and Alice has 4 phases: 1 - Bob, who’s sending WRP to Alice, signs the transaction with his private key and Alice’s address. 2 - Bob tells the other nodes about the transaction, adding two waves to the block wave: one with fundamental frequency lower than BLOCK_CUT_FREQUENCY, and one with fundamental frequency higher than BLOCK_CUT_FREQUENCY. The first one tells Alice there’s a transaction in that block for her. The second one is the transaction itself. 3 - Alice gets the block and analyzes the wave, checking if there are any transactions for her. 4 - If there are any transactions to one of her addresses Alice decodes them and the coins appear in her wallet.
An extra layer of security Besides the privacy added by Zerocoin, which is already a very well thought-out and academically interesting protocol, you will have the option to hide your transaction using an extra layer provided by Fourier. If selected, Fourier Privacy will hash the frequency of the wave that tells there is a transaction in a block for a certain receiver, in a way only the holder of the receiver’s private key can decode. Making it virtually impossible (as per computing power in 2016) for another system element to know there’s a transaction in that block for that receiver.
What are the disadvantages of the fourier protocol? The most relevant is that it takes 4 to 5 times longer to index a block in fourier based blockchains. This is due to a lot more computation time being needed to process: The convolution needed to low pass the signal in a block and check for transactions to a given user. The discrete fourier transform required to read a block. The inverse discrete fourier transform required to add a transaction to a block.
This means that, when you open your wallet for the first time, it will take longer to synchronize with the network, although it shouldn’t feel very different throughout the rest of the implementation.
Use Cases The Wrapper Team is building and I2P market that uses Wrapper as a transaction currency. You can check it out here: http://kyh5mfbv3464fnzaoa2ode3qpv6chptkq7i76axtjnmjskcdi5fq.b32.i2p/
More Info Read the FAQ: http://wrapperproject.com/faq/ to read more about wrapper and about our ICO. You can follow Wrapper on twitter: https://twitter.com/WrapperTeam and checkout the dev blog: http://wrapperproject.com/blog/ for the latest development updates. Please use this PGP key when communicating with the wrapper team:
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WRAPPER IS HIRING Do you have experience with Tor networking and/or C++ and want to work in something revolutionary? If so, send us a message. Please use PGP ALWAYS.
submitted by Vindyne8 to CryptoCurrency [link] [comments]

BAD /u/CrazyAssCracker NEVER refunded me on /r/hardwareswap

Scammed on /hardwareswap
Originally made payment of $85, but there was hestiation from both sides about the whole thing. So I just asked for a refund, he said "Ok."
Then the excuses came up. We originally agreed about the refund on Saturday, June 13. He said he'd refund me the next day via google wallet. I asked for the refund again on Sunday the 14th. He gave me an excuse that he used his google wallet card at a gas station and has no money in the account anymore and he'd need to transfer money from his bank account to the wallet. Which isn't even how it works anyway, because just like paypal, it uses your bank account as a source for the funds almost instantly.
Then the 15th, he said he spoke with google wallet customer service and the money would be in the account by today at noon EST, 9 hours ago.
Then he didn't respond until I told him I'm filling out a request for refund from Google Wallet to dispute the funds, in which is responded asking if Paypal would be ok to pay me back on. I immediately replied saying it was and gave him my paypal e-mail. He hasn't said anything and i've messaged him twice since.
Kid's active on multiple trading/selling subs including: /hardwareswap /bitcoins /giftcardexchange
i tried giving him the benefit of the doubt.
Part one
Two
three
four
five
six
CrazyAssCracker Here are the pictures he's likely to use to peddle his product for money https://imgur.com/a/hs5o5
It's a Note 4 unlocked
submitted by RANDY_MAR5H to badkarma [link] [comments]

A Novel System for Secure Offline Bitcoin Payments

This is an automatic summary, original reduced by 62%.
A large number of real world scenarios require immediate payments that are initiated offline, but offline bitcoin payments raise a number of serious security challenges, as the receiver of the coins can never verify that the payment has actually been received without accessing the bitcoin network via the internet.
A recently published paper presented the first ever solution that can facilitate secure offline bitcoin payments throughout instances when immediate payments have to be immediately accepted.
An alternative implementation approach is also proposed for the offline wallet that does not rely on secure hardware; instead, it is based on a deposit framework that is managed by the bitcoin network.
Throughout the first phase, the sender of the coins X creates a pre-loading bitcoin transaction T1 which leads to transfer of some coins from his/her main bitcoin account x to the account of the offline wallet w, so w's balance became positive.
This is achieved via an online bitcoin transaction, for which the nodes of the network will create n-transaction confirmation n-Tl. Throughout the second phase, the sender of the coins X communicates with W requesting it to create an offline bitcoin transaction T0 with the amount destined to be sent to the account y. Throughout the third phase, the receiver of the coins Y will redeem the coins he/she received offline via publishing T0 to the blockchain and occasionally obtaining transaction's confirmation.
By far, this new solution is the first ever payment system to promote offline bitcoin payments; thus, opening the door for the implementation of bitcoin payments in a myriad of sectors including ticketing for public transportation, events, and concerts.
Summary Source | FAQ | Theory | Feedback | Top five keywords: Bitcoin#1 offline#2 payment#3 solution#4 transaction#5
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How to use the Trust Wallet for Newbies (new crypto ...

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