Add PoolBTC mining pool - #29
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PoolBTC (https://poolbtc.io) mines Fractal from four ckpool servers and is currently attributed to Unknown. Tags and payout addresses are each verified against vout[0] of real blocks (2044907, 2044946, 2044940). id 1020 follows the 1001+ convention used for Fractal-native pools. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Adds PoolBTC (https://poolbtc.io), an active Fractal Bitcoin mining pool whose blocks are currently attributed to "Unknown".
PoolBTC mines Fractal from four stratum servers (EU x3, UAE x1) running ckpool, with a combined ~130 PH/s at the time of writing. In a sample of the 60 most recent blocks, 7 were mined by PoolBTC — roughly 12% of blocks in that window.
Verification
Each tag below is tied to the coinbase payout address in
vout[0]of a real block, so all of it can be confirmed independently on-chain:vout[0]payout address/minersme-fb/15mBafndntQeqSeuGCLfyb2mvkq9t2ABGX/fbpool.io/1Fy3CH3vsKNK6FWLX3ucUMqraduGJtrc3Y/solo mined fb/bc1q6mlnj9zj0dy2l6zrzwssjzh3ujgtanr62fj0nyMore recent PoolBTC blocks, all currently "Unknown": 2044973, 2044955, 2044950, 2044948, 2044939.
Coinbase scriptSig of block 2044907, ASCII rendering:
Notes
btcaddressconfigured in that ckpool instance and each appears asvout[0]in blocks that server has mined./PoolBTC/on 2026-08-20;minersme-fbandfbpool.ioare listed so previously mined blocks attribute correctly instead of remaining "Unknown".solo mined fbdeliberately omitted — it is PoolBTC's (server EU-FB-3, verified above) but is a generic ckpool-style string another operator could adopt. Those blocks are matched by thebc1q6mlnj9z...payout address instead, which is unambiguous.Slug auto-generates as
poolbtc, giving https://mempool.fractalbitcoin.io/mining/pool/poolbtcHappy to supply a pool logo if that is handled somewhere other than this repo —
frontend/src/resources/mining-pools/in the mempool fork only containsdefault.svg.