A program used to save files on Blockchain where the file is encrypted on the transmitter devise using encryption technology based on the address of the receiver and each account has two keys; a Private key and a Public key. The file is encrypted based on the public key of the receiver and the file is signed by the private key of the sender and sent to the miner who will put it on Blockchain and check if the file was manipulated by checking the signature which will be checked by the public key of the sender so there will be no room for manipulation of the file and it will be placed on Blockchain after examination and scrutiny and when the recipient logs in to his account, he will receive all his files which will be decrypted by his personal private key. In this case, the sender and receiver are same person.
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