Cardano is a proof-of-stake blockchain platform built on peer-reviewed academic research. Founded by Ethereum co-founder Charles Hoskinson, it takes a methodical, research-first approach to development. Its Ouroboros consensus mechanism was the first provably secure PoS protocol.
2015
Charles Hoskinson and Jeremy Wood found IOHK
2017
Cardano mainnet (Byron era) launches
2020
Shelley upgrade — network decentralises with staking
2021
Alonzo hard fork — smart contracts go live
2023
Vasil upgrade improves throughput and efficiency
Smart contracts, DeFi, decentralised identity, voting systems
💡 Did You Know
Cardano is named after Italian mathematician Gerolamo Cardano. ADA is named after Ada Lovelace, widely regarded as the first computer programmer.
⚠ Controversies & Red Flags
Cardano has been criticised for slow development and overpromising. Its smart contract platform launched years later than competitors.