I'm seeking technical criticism of my dApp. I'd appreciate if anyone could tell me the flaws with my smart contract and/or concept.
I made this about a month ago: https://theblockjournal.itsarnavb.me/
I thought notaries provided a cool function, but weren't easy to use. So I thought about combining notarization with something that resembled OneNote—A quick note-taking interface, but with the ability to sign those notes to your account on the blockchain.
Instructions for use: https://imgur.com/a/l6X5GSs
Source code: https://github.com/theblockjournal/theblockjournal