background preloader


Facebook Twitter

Bitmessage. Beginner's guide to bitcoin - CoinDesk's Information Center. USCC Economic Issue Brief - Bitcoin - 05 12 14. Bitcoin. Bitcoins are created as a reward in a competition in which users offer their computing power to verify and record bitcoin transactions into the blockchain.


This activity is referred to as mining and successful miners are rewarded with transaction fees and newly created bitcoins.[14]:5–7 Besides being obtained by mining, bitcoins can be exchanged for other currencies,[21] products, and services.[22] When sending bitcoins, users can pay an optional transaction fee to the miners.[23] This may expedite the transaction being confirmed. According to a research produced by Cambridge University in 2017, there are between 2.9 million and 5.8 million unique users actively using a cryptocurrency wallet, most of them using bitcoin.

The number of active users has grown significantly since 2013 (there were 0.3 to 1.3 million unique users at the time).[28] History. Bitcoin Tutorial: Learn What Is Bitcoin and Lot More. Welcome to the first community built BItcoin course!

Bitcoin Tutorial: Learn What Is Bitcoin and Lot More

This course serves as a central point of introduction to Bitcoin for anyone interested. It assumes no special skills or knowledge nor experience in computer science. Bitcoin: What is it? What is Bitcoin? Frequently Asked Questions. I've never heard of Bitcoins, what exactly are they?

Frequently Asked Questions

Developed in 2009, Bitcoin (frequently referred to as BTC) is a digital form of currency, revolutionizing the world by becoming the first online currency able to be traded between individuals without a "middle man. " This means that users of the Bitcoin system are able to trade Bitcoins with one another without going through a payment processor such as a bank, allowing you the freedom to buy, sell and trade as you please. For a lot more information check How it works or the official Bitcoin site Bitcoin . Is trading bitcoins and the usage of legal? What is Bitcoin? - We Use Coins. The Bitcoin System Theory. History Infographic - British Perspective.

How the Bitcoin protocol actually works. Many thousands of articles have been written purporting to explain Bitcoin, the online, peer-to-peer currency.

How the Bitcoin protocol actually works

Most of those articles give a hand-wavy account of the underlying cryptographic protocol, omitting many details. Even those articles which delve deeper often gloss over crucial points. My aim in this post is to explain the major ideas behind the Bitcoin protocol in a clear, easily comprehensible way. We’ll start from first principles, build up to a broad theoretical understanding of how the protocol works, and then dig down into the nitty-gritty, examining the raw data in a Bitcoin transaction. Bitcoin - Cryptographic hash function. How do bitcoin transactions work? Last updated: 6th March 2014 Bitcoin transactions are sent from and to electronic bitcoin wallets, and are digitally signed for security.

How do bitcoin transactions work?

Everyone on the network knows about a transaction, and the history of a transaction can be traced back to the point where the bitcoins were produced. Holding onto bitcoins is great if you’re a speculator waiting for the price to go up, but the whole point of this currency is to spend it, right?. So, when spending bitcoins, how do transactions work? There are no bitcoins, only records of bitcoin transactions. How a Bitcoin transaction actually works diagram. Bitcoin Training. Bitcoin Pyramid. Bitcoin vs Bank Wire vs Credit Card.

How to Buy Bitcoins Anonymously in the US Instantly. Big Brother is Watching You If CISPA or other privacy-busting legislations pass, every detail of our personal lives will be at risk.

How to Buy Bitcoins Anonymously in the US Instantly

Although many of our foundations are rooted in anonymity, everything we see, do and buy may soon be exposed. However, technology always evolves, and anonymity is no exception. As many already know, Bitcoin is a decentralized, digital currency that can be used like cash. What many people may not already know, however, is that there is no need to hand over all of your information to an exchange to buy bitcoins. An anonymous member of the Bitcoin community has contributed these wonderful instructions detailing 6 simple steps to buying Bitcoins with near anonymity in the US. Step 1. Step 2. Step 3. Step 4. Choose the Cash deposit to Bitcoin to email option.

Step 5. Follow the instructions on Bitinstant to make your cash deposit, and have your Bitcoins sent to your new Tormail account. No ID is needed. Step 6. Receive your Bitcoins via email. And voila. About Andrew. BitLegal - Welcome. Quantitative Analysis of the Full BitcoinTransaction Graph. Providing instant transfers for the bitcoin economy - About us. Pay for Your Bitcoins Quickly, Conveniently and Securely BitInstant is a payment processor for various Bitcoin exchanges and other merchants.

Customers of these exchanges and other merchants can easily make a payment to them by using BitInstant, that is an agent and payment processor for those exchanges and other merchants. BitInstant receives money for exchanges and other merchants through various payment systems such as Dwolla, Liberty Reserve, TrustCash and others. In receiving those funds, BitInstant acts as an agent and payment processor for various exchanges and other merchants, such as MtGox, BTC-E, BitStamp, VirWox and other similar services.

Funds can be available in as little as 15 minutes and are typically available within one hour at the exchange or other merchant selected by the Customer. Bitcoin exchanges sell Bitcoin. All BitInstant transactions are subject to the Customer Terms of Use and Privacy Policy provided on this site Server: Channel: #BitInstant. Top 100. BTC China News. PBOC Deadline Day: Business as Usual for BTC China | Jon Southurst BTC China's banking partners have not issued any instructions to halt deposits, says CEO Bobby Lee.

BTC China News

BTC China Launches First ‘Soft Bitcoin ATM’ Interface for International Markets New local trading platform lets any individual or shopkeeper become a bitcoin ATM anywhere, says BTC China. BTC China Dismisses PBOC Fears in Open Letter. Why China is Leading the Global Rise of Bitcoin. The bitcoin story in China sounds like a mini-metaphor for the Chinese economy itself: while the rest of the world was looking elsewhere, its citizens worked to acquire vast amounts of new wealth before bursting into the headlines only recently as a superpower.

Why China is Leading the Global Rise of Bitcoin

As of this November, China is home to the world’s largest-volume bitcoin exchange (BTC China), some of the largest mining operations, and could well be leading the global rise of bitcoin. It was in May that China surpassed all other countries with 84,000 bitcoin wallet downloads, a world record few noticed. Then came a half hour CCTV2 (Chinese state-owned television) documentary on digital currencies which sparked local interest, and even provoked a mining boom. There was a gold rush as the Chinese tech community constructed mining rigs on a grand scale, paying $12,000-$15,000 for hardware and recouping their setup costs within a few weeks. BTC China, world #1. Despite panic, China's regulation of Bitcoin leaves room for optimism. China moves against Bitcoin. China Bans Payment Companies from Working With Bitcoin Exchanges, Sources Claim. UPDATE: CoinDesk can confirm that the source mentioned in this piece is Bobby Lee, CEO of bitcoin exchange BTC China.

China Bans Payment Companies from Working With Bitcoin Exchanges, Sources Claim

Lee said he is now happy to go on the record. Sources close to China’s Central Bank today reported that the institution has banned third-party payment companies from doing business with bitcoin exchanges. A reputable source told CoinDesk that the People’s Bank of China (PBOC) met with most of the top third-party payment companies this morning. The source said the meeting topic was unrelated to bitcoin, but digital currency became an important part of the discussion. “PBOC, in no uncertain terms, directed third-party payment companies not to do business with bitcoin exchanges in China,” they explained. At the moment, these claims are still rumours, as neither the PBOC nor any payment company has issued a statement to confirm what was discussed and what the outcome was.

“The writing’s on the wall,” said our source, adding: “There’s no need to panic and do a run on the bank. Chinese Exchange Sends Bitcoin Price Tumbling. The Reality of Chinese Bitcoin Trading Volumes. Posts on China’s premier social network Weibo have suggested that some of the country’s largest bitcoin exchanges are manipulating trading volumes to gain more customers and rise through the ranks of the world’s most popular exchanges.

The Reality of Chinese Bitcoin Trading Volumes

The sentiments have been reflected overseas as well, on forums like Reddit, and Twitter. Chinese trading activity could be having an effect on the worldwide bitcoin price once again, with prices dropping from a high of $859 to a low of $810 in trading over the past weekend. This drop is pure evidence of market manipulation coming from china or traders at huobi live under a rock. Btc has been having great news…— Mega Coin Trader (@MegaCoinTrader) January 24, 2014 Graphs and charts appear to back up the claims with some odd figures, with some showing bid prices for bitcoin actually higher than ask prices, or even dead level.

Shenanigans, right? Delicate dance Things have changed since. But were the position shifts due to real market forces? Can Hong Kong Lead the Way for Bitcoin Adoption Across China? Sixty-five years ago, history tells us the great question of American foreign policy was: who lost China? In other words, who was responsible for the “avoidable catastrophe” that drove the Nationalists from the mainland and brought Mao Zedong to power? Today, the question should be: what will China lose, if it attempts to resist global upheavals in finance and technology, culminating in the popularity and acceptance of Bitcoin as the ultimate form of digital, peer-to-peer currency? The answer to that question will have a greater impact on the People’s Bank of China (PBC) than its existing restrictions on the use of bitcoin.

In my professional opinion, China will gradually (and quietly) ease its policy involving bitcoins – which is a smart hedge against inflation and a chance for the government, and millions of merchants, to prosper. Stanford Seminar - BTC: Bitcoin, a New Value Chain in China. After Crackdown, a New Bitcoin King Emerges in China. BTC China CEO Bobby Lee. Photo: BTC China Back in October, we marveled that a then-unknown company named BTC-China had suddenly become the world’s most popular Bitcoin exchange, helping to push the value of the digital currency over $200. But less than three months later, Bitcoin prices have quadrupled, and there’s a new top dog in China: another virtually unknown company called Huobi. At the moment, Bitcoin is the Wild West of international finance — an international peer-to-peer network of computers that, as a whole, lies out of the reach of any one country’s regulation. But when Bitcoin bumps against closely regulated financial services businesses, things become even wilder.

CCTV Bitcoin Documentary - Subtitled - Part 1/5 (finished subbing) How to steal Bitcoin in three easy steps. Earlier this month, someone pulled off the largest heist in the history of Bitcoin, the virtual currency that approximates cash on the internet. The illegal drug bazaar Sheep Marketplace was plundered, either by hackers or insiders, and about $100 million worth of the currency was stolen from customers. Bitcoin heists are actually not uncommon.

In June of 2011, a user named Allinvain was the victim of what is arguably the first recorded major Bitcoin theft. Bitcoin: Cheat Sheet. Explaining Bitcoin Archives. Bitcoin Investment News / Investing in Digital Currency. Is it Too Late to Get Involved in Bitcoin? | Emily Spaven Is it still possible to make millions from bitcoin, or has that boat sailed? 500 Startups Funds Five Bitcoin Startups With $100,000 Each | Daniel Cawrey Mountain View-based accelerator 500 Startups is funding five bitcoin companies in its latest batch of startups with $100,000. Following the Money: Geographic Dispersion of VC Bitcoin Investment. Following the Money: Trends in Bitcoin Venture Capital Investment. Coindesk - State of Bitcoin 2014 - Report. Piratemoniesinfographic. Video - Vint Cerf - Pseudonymity and Strong Authenticationon the Internet.

Bitecoin White Paper. Decentralised-currencies.pdf.