Decred Review

This is a post in series "Blockchain Projects Review"

Official References

  • Based on Bitcoin
  • PoS overlays upon PoW
  • Add signature algorithms Ed25519 and Schnorr
  • Use BLAKE-256 as hash algorithm
  • Enable segwit to solve transaction malleability
  • Transaction expiration mechanism.

Hybrid Consensus

Decredible | Decred hybrid consensus explained

  • PoW miners propose new block.
  • PoS miners vote whether accepting the block. The ticket should be purchased first. 5 tickets are selected randomly using the new PoW block header. Block is accepted if 3 tickets agree.
  • Block reward is split between PoW and PoS miners.
  • PoS tickets are selected using PoW block header. It guaranteed that is has a very high cost to manipulate picking tickets.
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