Exactly this already exists, but no blockchain is needed: https://notabug.io/ https://notabug.io/ (beware of content: anonymous decentralized reddit!) @go1dfi

Exactly this already exists, but no blockchain is needed: https://notabug.io/ https://notabug.io/ (beware of content: anonymous decentralized reddit!) @go1dfish runs NAB and all the code is at https://github.com/notabugio/notabug https://github.com/notabugio/notabug . It is built with my P2P graph protocol ( https://github.com/amark/gun https://github.com/amark/gun ), + he has some custom implementations of it.