Cosmos is a network of interconnected blockchains — the Internet of Blockchains. It provides a framework (Cosmos SDK) for building custom blockchains that can communicate via the Inter-Blockchain Communication (IBC) protocol. Dozens of major blockchain networks are built with the Cosmos SDK.
2017
Cosmos whitepaper published by Jae Kwon and Ethan Buchman
2019
Cosmos Hub mainnet launches
2021
IBC protocol activates — chains can transfer assets directly
2022
ATOM 2.0 proposal sparks governance controversy
Cross-chain interoperability, sovereign blockchain deployment, DeFi hub
💡 Did You Know
The Cosmos ecosystem hosts some of the highest-value blockchains built with its tools — including Binance Chain and Osmosis
⚠ Controversies & Red Flags
ATOM token has been criticised for poor tokenomics, with high inflation and limited value capture relative to the value created by the broader Cosmos ecosystem.