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Halcyon (HAL) is a decentralised open source digital currency.

  • advanced hybrid proof-of-work (PoW) and proof-of-stake (PoS)
  • 80% PoS blocks, 20% PoW blocks
  • block hashing is BLAKE2s
  • PoW hashing is NeoScrypt
  • PoS hashing is SHA-256d
  • 2 minutes combined block target (2.5 minutes for PoS, 10 minutes for PoW)
  • retargets every block using Orbitcoin Super Shield (OSS)
  • time warp and instamining protection
  • advanced checkpointing against 51% attacks
  • PoW block reward is fixed at 5 HAL
  • PoS block reward is up to 100% per year (5 HAL max.)
  • coin age for PoS: 0.5 days min. to 7.5 days max.
  • 10 confirmations for regular transactions
  • 50 confirmations for minted coins
  • very low transaction fees
  • the default P2P port is 21108, RPC port is 21109
  • I2P/Tor ready
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