Be Ethereum -> 2015, born from a whitepaper and ambition: The world computer goes live -> 2016, DAO hack wipes $60M, hard fork splits $ETH and $ETC, Ethereum survives -> 2017, ICOs boom, CryptoKitties crash the chain and gas hits $5. -> 2020, DeFi Summer melts mainnet, users pay $100 per swap, but builders stay -> 2021, EIP-1559 burns ETH, supply starts shrinking, ultrasound money becomes real -> 2022, The Merge, Ethereum drops Proof of Work for Proof of Stake, energy use down 99.9%, inflation turns negative, internet history rewritten -> 2023, Shanghai unlocks staked ETH, restaking meta begins -> 2024, Dencun Upgrade delivers proto-danksharding, L2 gas fees drop 10–20x, rollups finally go mainstream -> 2025, Fusaka Upgrade rolls out full danksharding, data throughput skyrockets, Ethereum scales to millions of users -> L2s become as cheap as centralized apps but remain fully decentralized Ethereum went from -> $100 gas to sub-cent transactions ->from PoW miners to PoS validators ->from hype to infrastructure Ethereum defined trends and the story’s nowhere near over.