Ethereum’s merge to proof-of-stake in 2022 slashed its energy use by 99.95%. Unlike Bitcoin’s energy-hungry mining, Ethereum now relies on validators staking ETH. $DOT
Polkadot connects blockchains for interoperability, using staking for security. $ATOM
Cosmos enables cross-chain communication with its hub-and-spoke model. The merge made Ethereum eco-friendly, but scalability challenges remain. Cross-chain solutions like Polkadot could define Web3’s future. Which blockchain’s approach excites you most?