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