pull down to refresh

32 sats \ 1 reply \ @DarthCoin OP 3 Apr freebie \ parent \ on: Proof of Existence - Your Bitcoin online notary bitcoin
No, on the blockchain you only store a bunch of text data (OP_RETURN) that prove the existence of a document (wherever is stored) in a certain point in time.
You do not need to store the document on the blockchain, that's insane.
write
preview
0 sats \ 0 replies \ @0245bdaef2 3 Apr
They use a unique header DOCPROOF, which you can look for on chain
reply