yes, and the key difference in distributed/decentralized systems is if you post your blocks they are broadcast to the public. On Twitter you can figure out you'

yes, and the key difference in distributed/decentralized systems is if you post your blocks they are broadcast to the public. On Twitter you can figure out you're blocked/shadowbanned by logging out, but in this case a peer can generate a list of all of the people who block you and advertise it. Assuming BS is p2p, which is another topic.