@drgo @excellion@bitcoinhackers.org @grubles In theory it's an hour or two. But in the event of an attack, there are quite a few scenarios where better resolution would be better. Sub-second isn't going to help because of internet latency. But *if* you can do so securely, clocks synced to within a few seconds would probably be a bit better. Problem is, the *securely* part is important: if not securely, better not too!