DOT

avalanche beacon chain Bitcoin bitcoin cash Blockchain cadena de bloques Cardano Charles Hoskinson contratos inteligentes criptomoneda dfinity ethereum ethereum 2.0 ethereum classic evm fork gavin wood grandpa mineria nominated proof of stake npos parachain parity poa Polkadot pow main chain proof of stake proof of work relay chain roadmap shard chains solidity staking substrate chains Vitalik Buterin web3 white paper yellow paper