ASIC Mining News, Miner Database & Profitability Tools

Braiins warns that recent Bitmain firmware may restrict third-party installation
The September 18 notice is a vendor warning, not proof that every model or build is affected. Here is a safe fleet-update procedure while details remain under investigation.
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DOE orders Schahfer units available to MISO through December 18
The emergency order starts September 20 and concerns grid reliability, not a special rule for miners. Flexible-load operators should review curtailment and tariff assumptions.

Bitcoin Core fixes pruning startup race for newly enabled indexes
Merged PR #36150 prevents a node from pruning blocks before a newly enabled index can synchronize. The change is in master and should not be confused with an installed release.
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Bitcoin difficulty rises 4.16% to 132.76 trillion at block 967,680
The September 19 retarget raises the work required per block; miners should separate difficulty impact from price, fees, uptime and power cost.

Bitcoin Core adds bestblockhash to getmininginfo to avoid template races
Merged change lets mining software obtain the tip hash and next-target data from one consistent RPC snapshot.

SEC grants five-year conditional pathway for tokenized U.S. stock venues
The temporary exemption permits limited permissioned AMM trading under symbol, volume, rights, disclosure and trading-halt conditions.

ESP-Miner 2.15.2 adds BM1372 and BM1373 support for Bitaxe
The stable release expands chip support and fixes networking and interface issues; operators should match firmware assets to the exact board.

Firominer 1.4.0 restores AMD support and adds verifiable packages
Firo’s open-source FiroPoW miner now targets current NVIDIA and AMD GPUs, with no developer fee and solo-mining support.

Why pool vardiff can strand a slowing Bitcoin miner
Bitcoin Optech summarizes a controller failure mode: if difficulty changes only when a share arrives, a slowed miner may wait too long for the next share.


