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Following
BTC Bitcoin's BIP-110 soft fork attempt stalled after only producing two blocks
Bitcoin's BIP-110 soft fork attempt stalled after only producing two blocks, resulting in the new branch lacking enough computing power to compete with the existing Bitcoin chain. The forcing signal started in block 961, 632, but the miners executing BIP-110 only produced blocks 961, 632 and 961, 633, and then the branch stopped advancing. The main Bitcoin chain continues to accumulate more proofs of work.
The split stems from months of debate over whether Bitcoin consensus rules should restrict transactions used to store arbitrary data. BIP-110 failed to attract support from miners.
BIP-110 fails to attract miners to support
BIP-110 introduces temporary consensus limits for large data payloads while retaining existing UTXOs created before activation. The rule limits most new scriptPubKeys to 34 bytes, restores the 83-byte OP_RETURN limit, and limits several witness and Taproot structures for larger data storage. The soft fork is designed to expire in one year.
Proponents view the change as an attempt to focus Bitcoin on currency transactions and reduce pressure from inscriptions and other non-payment data. Before the window was activated in August, the controversy had already raised the possibility of a chain split. This risk becomes a reality once nodes implementing new rules begin to reject blocks that do not signal a new rule. Almost all computing power remains on the existing chain, leaving only a minority branch of BIP-110.
Nodes that follow the fork of these two blocks can now be returned to the more demanding Bitcoin chain by disabling temporary consensus rules and re-synchronizing.
Siler said the result is in line with Bitcoin's original design intention.
Michael Siler believes that this result proves Bitcoin's existing consensus model. He estimates that about 99.85% of the network's computing power is left on the original chain. He opposed BIP-110 before its activation, arguing that controversial blockspace policies should not become a consensus rule without broad agreement among miners, nodes and economic participants.
This result continues the broader BIP-110 battle over OP_RETURN, inscriptions and Bitcoin block space, which divides users into two groups: those who believe that arbitrary data activity should be restricted at the consensus level and those who believe that it should be left to transaction policy and fee markets. Even during the debate, non-payment activity remained active, and earlier this year, protocols such as runes and alkanes pushed the proportion of small transactions in bitcoin transactions to about 80%.
Dasen Oome proposes proof-of-work changes
Dasen Oome, author of BIP-110, denied the mining results and accused large mining pools of conspiring against the fork. He also raised the possibility of replacing Bitcoin's current proof-of-work algorithm in a future version of the BIP-110 branch, which would prevent the existing SHA-256 mining infrastructure from determining the direction of its chain. No proof-of-work alternative has been activated or widely adopted.
The current BIP-110 branch remains at block 961,633, while the existing Bitcoin chain continues to accumulate overwhelming proof-of-work.
