August 29: The U.S. District of Columbia Court of Appeals ruled on the Securities and Exchange Commission (SEC).
June 16: BlackRock files for bitcoin ETF.
January 21: Bitcoin Ordinals protocol launched.
August 11: BlackRock Launches Spot Bitcoin Private Trust.
July 20: Tesla sold 75% of its Bitcoin, worth approximately $936 million, according to its Q2 earnings report.
June 29: MicroStrategy Buys $10M of Bitcoin.
April 27: Central African Republic Becomes Second Country to Adopt Bitcoin as Legal Tender
March 3: U.S. Announced Crypto Executive Order
November 21: El Salvador Builds Bitcoin City from $1Bn Bitcoin Bonds
November 12: A major upgrade to Bitcoin, Taproot, takes effect.
October 19: First Bitcoin ETF Launches in the U.S.
September 24: China bans all cryptocurrency transactions.
June 8: El Salvador passes the Bitcoin Law and becomes the 1st country in the world to accept Bitcoin as a legal Tender.
February 11: The Bank of New York Mellon announces that it will begin financing Bitcoin and other digital currencies. This is regarded as a validation of crypto from a key bank in the financial system.
February 10: American financial services corporation Mastercard announces that it will begin supporting cryptocurrencies on its network later in the year.
February 9: Bitcoin market cap surpasses $1 trillion in value.
February 8: Tesla, Inc. announces having bought US$1.5 billion worth of Bitcoin.
February 3: Credit card company Visa Inc. announces plans to help banks roll out Bitcoin and cryptocurrency buying and trading services with a Visa crypto software program, set to launch later in the year.
October 21: American financial services company PayPal announces a new service allowing all users in the United States to buy, hold, or sell bitcoin using PayPal.
October 8: American payments company Square, Inc. announces having purchased 4,709 bitcoins (about US$50 million) in investment, representing 1% of the firm’s total assets.
September 26: Bitcoin Unlimited has its stable release.
August: American business intelligence company MicroStrategy announces having purchased 21,454 bitcoins at a price of US$250 million, with the purpose to hold as a treasury reserve asset.
May 16: The third Bitcoin halving should take place around this date on block 630,000.The amount of new Bitcoins issued every 10 minutes will drop from 12.5 Bitcoins to 6.25.
April 8: Bitcoin Cash undergoes halving event, reducing its block rewards by half, and causing many miners to see gross margins drop to near zero.
November 20: Bitcoin.com launches the US$200 million Bitcoin Cash Ecosystem Fund, which focuses on payment solutions and non-custodial financial services for Bitcoin Cash
November 15: A hard fork chain split of Bitcoin Cash occurs between two rival factions, Bitcoin Cash and Bitcoin SV.
March 14: Google announces ban of all adverts for cryptocurrencies, including Bitcoin and initial coin offerings (ICOs), as it seeks to “tackle emerging threats”.
January 31: Facebook bans people entirely from advertising Bitcoin and other cryptocurrencies amid fears they are used for fraud.
November 12: Bitcoin Gold is launched as the second project to fork away from the Bitcoin blockchain to create a new coin in the year.
October: Bitcoin market capitalization reaches US$100 billion.
October 16: IBM and a network of banks begin using digital currency and blockchain software to move money across borders throughout the South Pacific.
August 1: A hard fork of bitcoin known as Bitcoin Cash occurs on this day.
July 20: Bitcoin Improvement Proposal 91, to trigger Segregated Witness (SegWit) activation, is locked in.
July 1: Cryptocurrency exchange Binance is founded.
December: The inaugural issue of Ledger, the first peer-reviewed academic journal dedicated to cryptocurrencies and blockchain technologies, is published.
July 10: The second Bitcoin halving event occurs at block height 420,000. The amount of new Bitcoins issued every 10 minutes drops from 25 bitcoins to 12.5.
June 10: Bitcoin market capitalization reaches US$ 10 billion.
February: Bitcoin Classic is released.
October 8: Gemini, a cryptocurrency exchange, is launched.
August 15: Bitcoin XT is initially released.
February: Joseph Poon and Thaddeus Dryja publish a draft of the Lightning Network white paper.
June: Canadian law is enacted as the world’s first national law on digital currencies, and the world’s first treatment in law of digital currency financial transactions under national anti-money laundering law. The new law treats virtual currencies, including Bitcoin, as “money service businesses” for the purposes of the anti-money laundering law.
March 25: In its first substantive ruling on cryptocurrencies, the United States Internal Revenue Service states that Bitcoin will be treated as property for tax purposes.
February 7: The Bitcoin exchange Mt. Gox halts all bitcoin withdrawals due to insolvency after an apparently undetected theft that had been occurring since 2011. By the end of the month, Mt. Gox would file for bankruptcy protection.
November 30: The University of Nicosia in Cyprus becomes the first university to accept payment for tuition in bitcoin.
October 29: The first Bitcoin ATM in the world opens in Vancouver, Canada.
September 25: Barry Silbert founds Grayscale Bitcoin Trust (BGTC), now considered a traditional investment trust.
July: Bitcoin mining pool Ghash.io starts operating. Within a year, this mining pool would contribute about one-third of the overall hashing power out of the total.
May 17: The first official Bitcoin conference takes place in San Jose.
March 11: BTC market cap passes $1 billion.
March 11: An unexpected fork occurs.
February 14: Reddit begins accepting BTC for the purchase of Reddit Gold (Premium membership).
January 31: The first application-specific integrated circuits (ASICs) designed for Bitcoin mining are shipped
November 29: The first Bitcoin halving event occurs at block height 210,000. From then on, the amount of new Bitcoins issued every 10 minutes drops from 50 bitcoins to 25.
September 27: The Bitcoin Foundation is launched.
August 19: The Bitcoin Conference & World Expo NYC 2011, organized by Bruce Wagner of The Bitcoin Show, takes place.
August 19: The first Bitcoin Improvement Proposal (BIP) is submitted, explaining what a BIP is.
June 11: The Mt Gox Exchange hacks occur.
June: WikiLeaks and other organizations start to accept BTC for donations.
May: Bitpay is founded.
January: Silk Road launches.
January: The Electronic Frontier Foundation accepts BTC as payment.
December 16: The first mining pool for Bitcoin, the well-known SlushPool, which was operated by Bitcointalk user, slush, and that until now is active, being the longest-lived Bitcoin pool, was born.
October 17: The first OTC BTC exchange takes place, on the Freenode IRC under the channel #bitcoin-otc.
September 9: The main Bitcoin subreddit, r/Bitcoin, is created.
August 15: The vulnerability spotted on August 6 was exploited.
August 6: A major vulnerability is spotted in the Bitcoin Protocol.
July 18: Mt Gox Exchange is created by Jed McCaleb.
July 11: Release of Bitcoin version 0.3 is posted to Slashdot.
July: Ross Ulbricht begins the development of the Silk Road marketplace.
March 22: The first notable retail transaction involving physical goods was paid with BTC.
March: The first generation of exchanges, bitcoinexchange.com, was created by Malmi.
2009
December 30: The first difficulty increase occurs, from 1 to 1.18.
October 11: Martti Malmi, creates one of the milestones in the history of Bitcoin by transacting the first exchange of Bitcoin for fiat, when Malmi helped create the first exchange of Bitcoin, the well-known New Liberty Standard. At that time, Malmi sent a total of 5050 BTC for a total of $5,05 USD which was sent to him via PayPal. This exchange would be the world’s first crypto-fiat exchange.
January 12: Hal Finney receives the first bitcoin transaction from Satoshi Nakamoto.
January 9: SourceForge becomes the first open-source bitcoin client to be released.
January 3: The Bitcoin network comes into existence with Satoshi Nakamoto mining the genesis block of bitcoin (block number 0), which had a reward of 50 bitcoins.
October 31: A link to a paper authored by Satoshi Nakamoto titled Bitcoin: A Peer-to-Peer Electronic Cash System was posted on a cryptography mailing list.
August 18: The bitcoin.org domain name was registered.
