SHACoin is the first pure PoS SHA256 based coin. SHACoin is pure Proof of Stake coin, except stage of initial distribution, when it was mixed PoW and PoS coin. SHACoin distributes its initial coins through 10 days evenly distributed PoW mining. No halves during the initial distribution phase, thus ensures a fair distribution. After initial distribution, network will not accept PoW. SHACoin is SHA256 based crypto currency.