Cardano
ADA
● Active
Currency
Layer 1
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.
Polkadot
DOT
● Active
Currency
Layer 0
Polkadot is a Layer 0 multi-chain network that allows different blockchains to interoperate. Created by Ethereum co-founder Gavin Wood, it uses a relay chain and parachain architecture letting multiple specialised blockchains run in parallel and communicate securely.