Thanks for working on this, a bunch of interesting ideas!
I think it could be noted in the motivation, that's having an interoperable
watchtower protocol is really cool, because every watchtower you add is
a liveness reliability increase (modulo privacy loss), specially if these
watchtowers are
Hi ZmnSCPxj,
>>> - Locking the up-front fees for a time, then reverting them to the
>>> original sender.
>>
>> This means that I can burst-spam today, wait until unlock, repeat. If the
>> PoW scheme somehow enforces fresh PoWs (e.g. by needing (nonce || recent
>> block hash) as proof), I
