Bitcoin Red Envelope (Bitcoin Money, abbreviated BCM) underwent a hard fork at block height 503288 on January 8, 2018, Beijing Time. Bitcoin Red Envelope BCM will be endowed with superior features to Bitcoin (smart contracts, lightning network, zero-knowledge proofs, quantum resistance, etc.), making it more efficient, faster, and reliable. It enables lower-cost usage, returning to the decentralized nature of Bitcoin, and achieving greater value for the Bitcoin network.