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by tomerweller 3078 days ago
"...a Byzantine quorum system with 20 nodes would be more decentralized than Bitcoin or Ethereum with significantly fewer resource costs. Of course, the design of a quorum protocol that provides open participation, while fairly selecting 20 nodes to sequence transactions, is non-trivial."

That's exactly what the Stellar Consensus Protocol (SCP) is: https://www.stellar.org/papers/stellar-consensus-protocol.pd...

(Full disclosure: I work at Stellar)