🧐 Moore's Law Formulated On April 19, 1965, Gordon Moore, then head of R&D at Fairchild Semiconductor (and later co-founder of Intel in 1968), published an article in the anniversary issue of "Electronics" magazine titled "Cramming More Components onto Integrated Circuits." One of the key ideas in the paper, later known as "Moore’s Law," stated: "The most cost-effective number of transistors on a chip doubles every year." https://bitcoin-calendar.org/en/events/1965-04-19/moores-law-formulated

🪦 Bitcoin Obituary On April 19, 2016, Daniel Roberts published an interview on Yahoo Finance with the CEO of the international payments company TransferWise. The executive declared, "Bitcoin is dead." "I think it's safe to say Bitcoin is dead. There’s no traction, nobody is using Bitcoin. The Bitcoin experiment, I think we can call it over." 1 BTC = $429.05 https://bitcoin-calendar.org/en/events/2016-04-19/bitcoin-obituary

💩 The Birth of Shitcoins On April 18, 2011, the first shitcoin, Namecoin, mined its genesis block. Namecoin (NMC) was originally based on Bitcoin and used the Proof-of-Work algorithm, with a supply capped at 21 million coins. 1 BTC = $1.11 https://bitcoin-calendar.org/en/events/2011-04-18/the-birth-of-shitcoins

✅ First MSB License for a Bitcoin Exchange On March 29, 2012, BitInstant became the first bitcoin exchange to receive a Money Services Business (MSB) license in the U.S. The exchange was founded by Charlie Shrem. https://bitcoin-calendar.org/en/events/2012-04-18/first-msb-license-for-a-bitcoin-exchange

🗣️ Adam Back's Quote On April 18, 2013, Adam Back commented on Satoshi’s coins. 1 BTC = $93.07 https://bitcoin-calendar.org/en/events/2013-04-18/adam-backs-quote

🪦 Bitcoin Obituary On April 7, 2015, the director of Bitreserve predicted in an interview that Bitcoin would be gone within five years. 1 BTC = $223 https://bitcoin-calendar.org/en/events/2015-04-07/bitcoin-obituary

👨‍💻 Bitcoin Core v26.0 Released On April 7, 2024, Bitcoin Core v26.0 was officially released. https://bitcoin-calendar.org/en/events/2024-04-07/bitcoin-core-v260-released

🎓 One of the First Bitcoin Conferences On April 6, 2011, bitcoiner Genjix spoke at the EPCA Bitcoin conference in Amsterdam, addressing an audience primarily composed of 50+ year old bankers. https://bitcoin-calendar.org/en/events/2011-04-06/one-of-the-first-bitcoin-conferences

✍️ Executive Order 6102 During the Great Depression, on April 5, 1933, U.S. President Franklin D. Roosevelt signed Executive Order 6102, effectively confiscating gold bullion and coins from individuals and organizations. On this day, we celebrate the *fictional* birthday of Satoshi Nakamoto – April 5, 1975. The date holds symbolic significance—this order remained in effect until 1975. https://bitcoin-calendar.org/en/events/1933-04-05/executive-order-6102

🥳 Satoshi's Birthday On this day, we celebrate Satoshi's birthday. April 5, 1975, was the birthdate Satoshi provided when registering on the P2P Foundation. The date holds symbolic meaning — April 5th coincides with the date of issuance of Executive Order 6102, which banned private ownership of gold, while 1975 marks the year the order was repealed. https://bitcoin-calendar.org/en/events/1975-04-05/satoshis-birthday

🇵🇱 Launch of BitMarket.eu On April 5, 2011, BitMarket.eu was launched—the first platform for exchanging bitcoin for Polish złoty. https://bitcoin-calendar.org/en/events/2011-04-05/launch-of-bitmarketeu

🪦 Bitcoin Obituary On April 3, 2013, The Guardian publishes an article "Bitcoin is the Harlem Shake of currency". As you might have noticed, it didn't not age well: "Despite the hype, Bitcoin is used by very few people. It is not a legitimate currency just because it had a bubble" 1 BTC = $115 https://bitcoin-calendar.org/en/events/2013-04-04/bitcoin-obituary

📚 Bitcoin and Ocean Thermal Energy On April 4, 2022, Level39 drops a "Bitcoin and Ocean Thermal Energy" tweetstorm – a deep dive into how bitcoin mining could harness the planet's untapped power. https://bitcoin-calendar.org/en/events/2022-04-04/bitcoin-and-ocean-thermal-energy

🌓 Second Bсash Halving On April 4, 2024, Bitcoin Cash undergoes its second halving at block 840,000, cutting miner rewards in half. As expected, miners flee, hash rate collapses, and block times drag. Another step on the inevitable path to irrelevance. https://bitcoin-calendar.org/en/events/2024-04-04/second-bash-halving

⛏️BitPenny Mining Pool Shutdown On April 3, 2011, the BitPenny mining pool shut down. The pool operator cited "ongoing losses preventing sustainable development" as the reason for closure. In reality, the issue seemed to stem from a poorly designed miner reward system. https://bitcoin-calendar.org/en/events/2011-04-03/bitpenny-mining-pool-shutdown

📚 Inalienable Property Rights: The Law, Language, Money, and Morality of Bitcoin On April 3, 2022, Gigi published the article "Inalienable Property Rights: The Law, Language, Money, and Morality of Bitcoin." https://bitcoin-calendar.org/en/events/2022-04-03/inalienable-property-rights-the-law-language-money-and-morality-of-bitcoin

📈 Bitcoin Hits $1 On April 2, 2011, bitcoin reached dollar parity for the first time. https://bitcoin-calendar.org/en/events/2011-04-02/bitcoin-hits-1

🪦 Bitcoin Obituary On April 2, 2019, Gizmodo compares bitcoin to Monopoly money: "To be clear, Bitcoin is absolutely worthless by any real measure. It’s fake money that’s about as practical to use in the real world as Monopoly bills." 1 BTC = $4,908 https://bitcoin-calendar.org/en/events/2019-04-02/bitcoin-obituary

👨‍💻 P2SH Goes Live Bitcoin got smarter on April 1, 2012, at block 173,805 — P2SH went live. Instead of locking coins to a single key, it let users send funds to a script hash. The spending rules? Hidden until needed, enabling multisig wallets and more flexible transactions. Visit 21ideas.org to find out more about P2SH and other Bitcoin address types. https://bitcoin-calendar.org/en/events/2012-04-01/p2sh-goes-live

🚀 Bitcoin Breaks $100 On April 1, 2013 bitcoin crossed the $100 mark on MtGox and major exchanges. https://bitcoin-calendar.org/en/events/2013-04-01/bitcoin-breaks-100