Bitcoin Network Experiences Rare Two-Block Reorg, What Does It Mean?
News By Alex Dovbnya Mon, 23/03/2026 - 19:09 The Bitcoin blockchain successfully resolved a rare two-block reorganization (reorg) today. Advertisement
The Bitcoin blockchain recently experienced a "rare-ish" two-block reorganization (reorg).
AdvertisementThe term "reorganization" can sometimes sound alarming to casual observers, but the event was not an attack or a glitch. Bitcoin's decentralized consensus mechanism is functioning exactly as designed.
We just had a rare-ish two block fork/reorg between Foundry and AntPool+ViaBTC. Foundry mined six blocks in a row.https://t.co/qpj7eLlh0U pic.twitter.com/Jd5m1LX036
— b10c (@0xB10C) March 23, 2026
According to data shared by Bitcoin researcher b10c and visualized on-chain, the mining pool Foundry USA won an epic multi-block race against competitors AntPool and ViaBTC.
AdvertisementThe race at height 941880
In order to validate the next block of transactions, miners are constantly competing to solve complex cryptographic puzzles
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At this point, the network had two valid chains of equal length. The tie was finally broken when Foundry USA continued its winning streak with blocks 941883, 941884, and 941885.
The blocks mined by AntPool and ViaBTC were discarded, becoming what are known as "stale" or "orphaned" blocks. In total, Foundry USA pulled off seven consecutive blocks (from 941879 to 941885).
Single-block reorgs happen periodically. However, a two-block reorg is much rarer. It means that the temporary tie between the two chains persisted for an entire extra block cycle.
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