01 — Blockchain Timeline

Chronology from prehistory to today.


Prehistory (1980s–2008)

Date Event
1979 Ralph Merkle publishes his thesis with Merkle trees — the structural foundation of blockchain.
1982 David Chaum publishes Blind signatures for untraceable payments — foundation for e-cash.
1990 DigiCash (Chaum) — first e-cash based on blind signatures. Went bankrupt in 1998.
1991 Stuart Haber + W. Scott Stornetta publish How to time-stamp a digital document — the blockchain structure (chain of hashes). Published annually in the NYT newspaper since 1995 with the day's hash.
1997 Adam Back publishes Hashcash — anti-spam proof-of-work. Cited by Satoshi.
1998 Wei Dai publishes the b-money concept — distributed anonymous currency. Cited by Satoshi.
1998 Nick Szabo proposes Bit Gold — not implemented. Conceptual structure close to Bitcoin.
2004 Hal Finney implements RPOW (Reusable Proof-of-Work) — non-blockchain but a related concept.

Bitcoin era (2008–2014)

Date Event
2008-10-31 Satoshi Nakamoto publishes the whitepaper Bitcoin: A Peer-to-Peer Electronic Cash System on the cypherpunk mailing list.
2009-01-03 Genesis block of Bitcoin mined: 000000000019d6689c085ae165831e93.... The coinbase contains: "The Times 03Jan2009 Chancellor on brink of second bailout for banks".
2009-01-12 First Bitcoin transaction: Satoshi → Hal Finney, 10 BTC.
2010-05-22 Bitcoin Pizza Day: Laszlo Hanyecz pays 10,000 BTC for 2 pizzas in Jacksonville, FL. First documented commercial tx.
2010-07-17 Mt. Gox launches as a Bitcoin exchange (originally a site for Magic: The Gathering cards).
2010-12 Satoshi hands control to Gavin Andresen; last public message 2010-12-12.
2011-04-23 Satoshi's last private communication to Mike Hearn; disappears.
2011 Litecoin (LTC) — Charlie Lee. Scrypt PoW, 4× faster blocks.
2011 Namecoin — first relevant fork; introduces the concept of merge mining.
2012 Bitcoin halving #1 (from 50 → 25 BTC).
2013-04 Bitcoin reaches US$ 100.
2013-08 Mastercoin (later Omni Layer) — first ICO; tokens on top of Bitcoin.
2013-11 Bitcoin reaches US$ 1,000.
2014-02 Mt. Gox collapse — 850k BTC lost.
2014-07 Ethereum crowdsale (Jul–Sep 2014) — 60M ETH sold for 31k BTC (US$ 18M).

Ethereum + altcoins era (2015–2017)

Date Event
2015-07-30 Ethereum mainnet launch (Frontier release). Vitalik Buterin + Gavin Wood + cofounders (Joe Lubin, Charles Hoskinson — later Cardano, Anthony Di Iorio, Mihai Alisie, Amir Chetrit, Jeffrey Wilcke).
2015 Tether (USDT) launched on Bitcoin Omni Layer (later multi-chain). First major stablecoin.
2016-04-30 The DAO crowdsale — raises US$ 150M in ETH.
2016-06-17 DAO hack — attacker drains US$ 60M via a reentrancy bug.
2016-07-20 Ethereum hard fork reverts the DAO hack. Ethereum Classic (ETC) keeps the original chain (immutable purist).
2017 ICO boom: Status, Bancor, EOS (\(4B raised), Tezos, Filecoin, Tron. ~US\) 6B in ICOs in 2017.
2017-07 Bitcoin Cash (BCH) hard fork — bigger blocks (8MB), led by Roger Ver, Jihan Wu.
2017-08 SegWit activated on Bitcoin (BIP 141).
2017-12 Bitcoin reaches US$ 19,700. ETH reaches US$ 750.

Crypto winter + DeFi summer (2018–2020)

Date Event
2018-01 Coincheck hack — US$ 530M in NEM.
2018-Q1 Crypto winter begins; the market falls 80%.
2018-09 Bitcoin Lightning Network mainnet.
2018-11 Bitcoin Cash hard fork — BCH vs Bitcoin SV (Craig Wright).
2018 Augur, 0x, Maker (DAI), Compound v1, dYdX launch.
2019-01 Ethereum Constantinople hard fork.
2019-04 Bitfinex / Tether reveal that USDT reserves are not 100% USD.
2019-06 Facebook Libra (later Diem) announced — abandoned in 2022.
2019-09 Uniswap v1 launched by Hayden Adams — constant-product AMM.
2020-03-12 "Black Thursday" — COVID crash; ETH falls 40% in 24h; MakerDAO suffers liquidations from a gas spike.
2020-05 Bitcoin halving #3 (12.5 → 6.25 BTC).
2020-06 Compound launches the COMP token — kicks off liquidity mining. DeFi Summer begins.
2020-07 YAM Finance — fork of YFI; catastrophic bug in the rebase.
2020-09 SushiSwap — vampire attack against Uniswap.
2020-09 Uniswap v2 + UNI token airdrop.
2020-10 DeFi TVL reaches US$ 10B.
2020-11 Aave v2. Yearn (YFI).
2020-12 Ethereum 2.0 Beacon Chain activated — first step toward Proof-of-Stake.

Multi-chain era + NFT boom (2021)

Date Event
2021-02 Bitcoin reaches US$ 50,000 (Tesla buys US$1.5B in BTC).
2021-03 Beeple NFT sold for US$ 69M at Christie's.
2021-04 Coinbase IPO (Direct Listing NASDAQ:COIN).
2021-05 China bans crypto mining — Bitcoin hashrate drops 50%, recovers in 6 months.
2021-05 Bitcoin mining migration to the US + Kazakhstan + Russia.
2021-05 Terra (LUNA, UST) gains traction.
2021-06 El Salvador adopts Bitcoin as legal tender (law June 21, in force September 7).
2021-08 Ethereum London (EIP-1559) — fee burn begins.
2021-08 Poly Network hack — US$ 611M. The attacker returns the funds.
2021-09 NFT mainstream: BAYC US$ 200k+ floor.
2021-10 Bitcoin futures ETF (ProShares BITO) approved in the US.
2021-11 Bitcoin ATH US$ 69,044 (Nov 10). ETH US$ 4,866 (Nov 10).
2021-11 Solana adoption explosion. Avalanche, Fantom, BSC booms.
2021-11 Bitcoin Taproot activated (BIP 340341342) — Schnorr + Taproot scripts.
2021-12 Wormhole popular bridge to Solana.

Crypto winter + collapses (2022)

Date Event
2022-02 Wormhole hack — US$ 320M (cross-chain bridge bug).
2022-03 Ronin Bridge hack — US$ 625M (Axie Infinity). N. Korean Lazarus group.
2022-04 Beanstalk Farms governance attack — US$ 182M.
2022-05-09 Terra Luna collapse: UST de-pegs; LUNA falls 99.99% in 1 week; US$ 60B evaporated.
2022-06 Three Arrows Capital (3AC) bankruptcy — defaulted on US$ 3.5B.
2022-06 Celsius Network halts withdrawals. Bankruptcy July 2022.
2022-07 Voyager Digital bankruptcy.
2022-08 Tornado Cash sanctioned by OFAC — smart contract code banned (legal debate).
2022-09-15 The Merge — Ethereum migrates to Proof-of-Stake. ETH supply -90% emission.
2022-10 Mango Markets exploit — US$ 117M (Avi Eisenberg, convicted).
2022-11-08 FTX collapse — Sam Bankman-Fried. US$ 8B+ in customer funds missing.
2022-11 Genesis, BlockFi filings/halts. Contagion.
2022-12 Bitcoin US\( 16k. ETH US\) 1.2k. Sentiment: rock bottom.

Recovery + ETFs + restaking (2023)

Date Event
2023-01 Ordinals (Bitcoin NFTs / inscriptions) launched. Controversial.
2023-02 Sandwiching everywhere; MEV maturity.
2023-03 USDC depeg briefly to US$0.87 (SVB collapse exposure).
2023-04 Ethereum Shapella upgrade — staking withdrawals enabled.
2023-06 SEC vs Binance, Coinbase — major lawsuits.
2023-07 Worldcoin launch — biometrics controversy.
2023-07 EigenLayer mainnet — the restaking thesis is born.
2023-08 PayPal launches PYUSD stablecoin.
2023-09 Mt. Gox creditors finally receive distribution.
2023-10 Friend.tech — SocialFi spike + crash.
2023-12 Bitcoin Inscriptions/BRC-20 boom.
2023-12 MiCA (Markets in Crypto-Assets) enters partial force in the EU.

Spot ETFs + new Bitcoin ATH (2024)

Date Event
2024-01-10 SEC approves Spot Bitcoin ETF — BlackRock IBIT, Fidelity FBTC, etc. Massive inflows.
2024-03-13 Ethereum Dencun upgrade — EIP-4844 proto-danksharding (blobs) — L2 fees 10× lower.
2024-03-14 Bitcoin ATH US$ 73,737.
2024-04-19 Bitcoin halving #4 (6.25 → 3.125 BTC).
2024-05-23 SEC approves Spot Ethereum ETF (trading begins in July).
2024-07 Mt. Gox begins distributing the remaining 142k BTC.
2024-08 NIST PQC standards finalized — ML-KEM, ML-DSA, SLH-DSA. Implications for PQC migration of blockchains.
2024-09 EigenLayer mainnet complete + restaking modular thesis (AVS - Actively Validated Services).
2024-10 Polymarket boom during the US elections.
2024-11-05 Trump elected; crypto industry optimism massive.
2024-12-05 Bitcoin reaches US$ 100,000.
2024-12 Hyperliquid TGE, top perp DEX.

Pro-crypto US era + maturation (2025–present)

Date Event
2025-01 Trump takes office. Pro-crypto cabinet picks.
2025-01 Trump memecoin ($TRUMP) launched on Solana — ethical controversy + 10× gain.
2025-01 SEC under Paul Atkins (Trump appointee) — drops major crypto cases (Coinbase, Binance, Ripple).
2025-02 Bybit hack — US$ 1.5B in ETH, biggest exchange hack ever. N. Korean.
2025-03 NIST selects HQC as a second PQC KEM.
2025-03 GENIUS Act introduced in the US Senate — stablecoin framework.
2025-04 Stripe acquires Bridge — stablecoin infrastructure US$ 1.1B.
2025-05 GENIUS Act signed into law — first US federal framework for stablecoins.
2025-06 Strategic Bitcoin Reserve Executive Order — US Treasury holds confiscated BTC.
2025-07 Solana spot ETF approved.
2025-Q3 Tokenized RWA TVL reaches US$ 50B (BlackRock BUIDL, Ondo OUSG, Centrifuge).
2025-09 MiCA Phase 2 completes EU rollout.
2025-12 Bitcoin around US$ 130k.
2026-01 Brazil Drex (CBDC) phased rollout.
2026-02 Eclipse, MegaETH — high-perf L2s mainnet.
2026-03 Ethereum Pectra upgrade — EIP-7702 (smart EOA), EIP-7251 (max effective balance increase).
2026-Q2 Bitcoin ETF AUM > US$ 200B.

Pending milestones (2026–2030+ expected)

  • PQC migration Bitcoin: BIP draft post-quantum signing schemes (Westerbaan/Valsorda 2024 proposal).
  • Ethereum Verge / Purge / Splurge — Vitalik's roadmap (Verkle trees, history expiry, EOF).
  • Solana Firedancer validator client (Jump Trading) — high performance.
  • Stablecoin GENIUS full rollout — bank-issued stablecoins.
  • Brazil's crypto Legal Framework consolidated (Lei 14.4782022 + BCBCVM regulation still under construction).
  • Spot alt ETFs — XRP, ADA expected post-Solana.
  • MiCA Phase 3 — Crypto-Asset Service Providers (CASPs) full enforcement.
  • PQC Bitcoin/Ethereum hard fork estimated 2028–2032.

Cross-reference

  • Detail of each chain: 04-l1-bitcoin.md, 05-l1-ethereum.md, 06-l1-alt.md.
  • DeFi mechanics: 09-defi.md.
  • Detailed hacks and collapses: 14-incidents.md.
  • Regulation by jurisdiction: 13-regulation.md.
  • Crypto primitives: ../cryptography/10-criptomoeda.md.