buff coin| Introduction
buff coin : open source encrypted digital currency,Apply blockchain technology to send and receive buff coins, Every transaction is permanently, securely, and transparently recorded on the Buff coin blockchain。
buff coins use your existing available hard disk space store drawings earn buff coins, The Buff coin map you draw is bred on the hard drive. Buff coin is a space proof encryption technology, The prover proves that they have allocated unused hard disk space as storage space, In order to be a consensus method, the space proof must be associated with the time proof to ensure that the block generation time between them is consistent and improve the overall security of the blockchain.