https://www.mttr.app/home
It's very similar to Yours, but uses op_return. I am not a developer so I am not 100% sure.
Their roadmap includes submatters (subreddits?). Exciting!
Is op_return
#nchain approved or is this an ABC development?
op_return is already being used. Memo uses op_return to push our text data onto the blockchain.
