Before revision: This article changes a lot of the original Bitcoin system, including, fast currency distribution within 1 year by utilizing buyer's different characters, removing bloated history transactions from data synchronization, no mining, no blockchain, it's environmentally friendly, no checkpoint,  it's purely decentralized and purely based on proof of stake.
After revision: This article changes a lot of the original Bitcoin system, including, fast currency distribution within 1 year by utilizing buyer's different characters, removing bloated history transactions from data synchronization, no mining, no blockchain, it's environmentally friendly, no checkpoint, no exchange hub needed, it's purely decentralized and purely based on proof of stake.