Umm. The blockchain is WORM technology (kinda). You write once, but it can be ready by anyone. This is a write-only resource… Now, you could in theory store S

Umm. The blockchain is WORM technology (kinda). You write once, but it can be ready by anyone. This is a write-only resource… Now, you could in theory store SHA hashes on a block chain to confirm that the files were written.