Can you imagine trying to chat using an XMPP-like protocol on a blockchain? It won’t work hilariously poorly. In any event, sticking real world logic on a blo

Can you imagine trying to chat using an XMPP-like protocol on a blockchain? It won’t work hilariously poorly. In any event, sticking real world logic on a blockchain is no more open than sticking code on GitHub. You still can’t interact with someone else’s deployment unless they let you.