Formalizing and Securing Relationships on Public Networks

Nick Szabo published a paper introducing "smart contracts".

Learn more

Hashcash - proof of work system

Adam Back proposed "Hashcash", a proof of work system later used as part of Bitcoin mining algorithm.

Learn more

Bit Gold

Nick Szabo designed a mechanism for a decentralized digital currency called "bit gold". It was never implemented, but it has been called "a direct precursor to the Bitcoin architecture".

Learn more

Hashcash - A Denial of Service Counter-Measure

Adam Back formally described "Hashcash", a proof of work system later used as part of Bitcoin mining algorithm. Satoshi Nakamoto actually referenced this paper in his Bitcoin whitepaper.

▸ Read the paper

Learn more

Reusable Proofs of Work

Hal Finney designed the first reusable proof of work system.

Learn more

A Peer-to-Peer Electronic Cash System

Bitcoin whitepaper was published by Satoshi Nakamoto.

▸ Read the whitepaper

Winklevoss twins at Olympics games

Cameron and Tyler Winklevoss ended 6th in Olympics finals in rowing. They probably didn't know anything about Bitcoin yet.

Bitcoin network launched

Satoshi Nakamoto defined genesis block of bitcoin (block number 0), which had a reward of 50 bitcoins. In the coinbase transaction of this block is the text: "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks", citing a headline in the UK newspaper The Times published on that date.

First Bitcoin transaction

Hal Finney received the first Bitcoin transaction from Satoshi Nakamoto.

Learn more

Pizza Day

Laszlo Hanyecz paid 10,000 BTC for two delivered Papa John's pizzas.

Bullrun peak: $32

Bitcoin price raised from $1 to a peak of $32, gained 3200% in 3 months. The price bottomed out at $2 in November 2011.

Bitcoin Magazine

Vitalik Buterin co-founded new print publication called Bitcoin Magazine.

Learn more

Bullrun peak: $1156

Bitcoin bullrun ended with peak price $1156. The price fell to around $760 three days later and keep falling until $315 at the beginning of 2015.

Ethereum announced

Ethereum was announced at the North American Bitcoin Conference in Miami.

Ethereum was founded by Vitalik Buterin, Anthony Di Iorio, Charles Hoskinson, Mihai Alisie & Amir Chetrit (the initial 5) in December 2013. Joseph Lubin, Gavin Wood & Jeffrey Wilcke were added in early 2014 as founders.

Newsweek identified Dorian Satoshi Nakamoto

Dorian Nakamoto was identified by Newsweek as Satoshi Nakamoto. He denied it later.

Learn more

Fundraising campaign for Dorian Nakamoto

Andreas Antonopoulos organised a fundraising campaign for Dorian Nakamoto. The fundraiser, intended to assist Nakamoto after the attention he received as a result of the article, raised 50 bitcoins, worth US $23,000 at the time.

Ethereum network launched

"Frontier", an experimental release of the Ethereum platform launched.

Gemini exchange went live

Cameron and Tyler Winklevoss launched their crypto currency exchange called Gemini.

Cardano founded

Charles Hoskinson founded open-source proof-of-stake blockchain platform called Cardano.

Mastering Bitcoin

Andreas Antonopoulos released the first edition of Mastering Bitcoin in print and online.

The first licenced Ethereum exchange

Cameron and Tyler Winklevosses exchange Gemini is the first licenced ethereum exchange.

Lightning labs founded

Elizabeth Stark and Olaoluwa Osuntokun founded Lightning Labs, a company that develops a fast level 2 layer for Bitcoin - Lightning network.

Polka Dot whitepaper

Dr. Gavin Wood released the first draft of the Polkadot white paper.

Elrond technical paper

Beniamin Mincu co-founded Elrond Network. A highly scalable, fast and secure blockchain platform for distributed apps, enterprise use cases and the new internet economy.

Cardano launched

Initial release of Cardano launched.

Solana whitepaper

Anatoly Yakovenko published a whitepaper draft detailing a new timekeeping technique for distributed systems called Proof of History.

Bullrun peak: $20 089

Bitcoin bullrun ended with peak price $20089. It raised from $975 on March it means gain of more that 2000%.

Programming Bitcoin

Jimmy Song released "Programming Bitcoin", a book that aims to teach readers the basics of bitcoin.

Solana Mainnet beta

Solana mainnet was launched even there is still "beta" suffix.

Polka Dot mainnet launched

Polkadot's first mainnet chain candidate, Phase 1, launched.

Elrond mainnet launch

Elrond network launched mainnet.

Microstrategy purchased first 21,454 bitcoins

Michael Saylor's company Microstrategy purchased bitcoins for $250 million. It wasn't their only purchase, they still keep purchasing.

Square purchased first 4709 bitcoins

Jack Dorsey's company Square purchased bitcoins for $50 million. They bought 4709 bitcoins.

Tesla accepts Bitcoin

Elon Musk announced that Tesla would accept Bitcoin as a mode of payment to purchase vehicles.

SpaceBudz released!

Officialy the first Cardano NFT project that uses current metadata standard has been launched.

Birds have landed

Cardano's "Africa deal" - the single biggest entity deployment of blockchain. IOHK announced a deal with Ethiopian government to use their product based on Cardano - Atala Prism - for 5 million of students.

Crypto Heroez NFT project released!

The first series of Crypto Heroez launched! It was quite quiet drop until Charles Hoskinson posted his tweet :)

Tesla suspended Bitcoin purchases

Elon Musk announced that Tesla suspended vehicle purchases using Bitcoin because of environmental concerns. Speculations about Tesla accepting some greener crypto currrencies immediately appeared.

Elon Musk Bitcoin/Dogecoin tweets

Elon Musk was tweeting a lot about Bitcoin, environmental issues and Doge coin. Markets were quite sensitive on his tweets, but as we all know, Bitcoin is a honey badger of money. And honey badger don't give a shit.

Legal tender announcement

Jack Mallers and Nayib Bukele announced on Miami Bitcoin 2021 conference that El Salvador will make Bitcoin a legal tender as the first country in the world.

Infrastructure Bill in US senate

Cynthia Lummis the first US Senator that holds Bitcoin, fights against anti-crypto infrastructure bill. With other senators files an amendment to the bill.

Bitcoin is legal tender in the first country

From this day Bitcoin is a legal tender in El Salvador as the first country in the world. It uses lightning network so transactions are almost instant and almost free.

Miami is bitcoin-friendly state

Franciz Suarez stated that Miami is looking to allow its residents to get paid in bitcoin, and to be able to pay their taxes using bitcoin.

Smart contracts on Cardano

Alonzo hard fork. From that day, Cardano blockchain have smart contract functionality on the mainnet. It cannot be called a "ghostchain" anymore.

Miami Bull @ Bitcoin 2022

Miami Bull statue unveiled in Miami by it's mayor, Francis Suarez.