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SaveOnBlock is using IPFS as a data storage on decentralized storage and then embed the data IPFS hash onto Bitcoin Blockchain. IPFS hash of same document will always be same. If you change the data a little, IPFS hash will also change.
Future Updates:
~ Mobile app, to enable facial recognition to access all data uploaded.
~ Enable ETH blockchain
SaveOnBlockPut anything on blockchain using IPFS and Bitcoin Blockchain