Pool comparison
The durable differences: who carries payout variance, whether you can verify what the pool does, and how long it has honored payouts. Hashrate share moves weekly — check a mempool explorer for today’s picture.
● = where they differ
AntPool
Bitmain’s own pool and perennially among the largest — the concentration concern and the convenience are the same fact.
Foundry USA Pool
The institutional US pool (a DCG company) — consistently among the largest by hashrate, aimed at industrial miners rather than hobbyists.