Don't mean to be pedantic but those requirements do not require a blockchain. See: https://urbit.org/blog/why-urbit-probably-does-not-need-a-blockchain/ https:

Don't mean to be pedantic but those requirements do not require a blockchain. See: https://urbit.org/blog/why-urbit-probably-does-not-need-a-blockchain/ https://urbit.org/blog/why-urbit-probably-does-not-need-a-bl...