A significant event unfolded within the Bitcoin network as a notable division appeared, when the BIP-110 enforcing branch reached a standstill at block 961,633 after generating a mere two blocks. This contrasted sharply as the non-enforcing chain progressed further, hitting block 961,721. This situation resulted in an 88-block difference, creating new challenges for proponents of the proposal.
What Led to the Blockchain Split?
Commencing at block 961,632, BIP-110 began its obligatory signaling phase. The protocol specifies that only BIP-110 enforcing nodes are to accept blocks that signal through version bit 4; regular Bitcoin nodes continue to accept both signaling and non-signaling blocks. At the designated juncture, only 51 out of the preceding 2,016 blocks— approximately 2.53%— expressed support, as shown in data from the BIP-110 monitor.
The monitor, reporting at 10:19 am UTC, noted the last block mined on this branch occurred roughly 12 hours earlier. According to Ocean, a mining group, the pseudonymous Roughnecks utilized the Decentralized Alternative Templates for Universal Mining (DATUM) protocol to mine these BIP-110 blocks. However, with minimal hashpower reinforcing the BIP-110 branch, generating additional blocks has proved slow.
The rules of BIP-110 dictate mandatory signaling until block 963,647, requiring commitment from enforcing miners to complete the ongoing 2,016-block difficulty adjustment cycle. Unless these miners draw more hashpower, significant progress before a difficulty reassessment seems unlikely for the enforcing branch.
Community Raises Concerns
Noteworthy figures within the Bitcoin sphere have publicly addressed the proposal’s implications. Michael Saylor, executive chairman of Strategy, acknowledged aligning with BIP-110’s objectives but criticized its approach, suggesting it threatens Bitcoin’s core principles of neutrality and consensus.
Strategy chairman Michael Saylor expressed his alignment with the proposal’s aims but voiced concern that its approach risks undermining Bitcoin’s neutral rules and consensus framework.
Adam Back, CEO of Blockstream, warned that altering the consensus structure could jeopardize Bitcoin’s reliability. He highlighted the potential risk of certain unspent transaction outputs becoming unspendable, which could harm users’ trust in the chain.
Blockstream CEO Adam Back highlighted that making significant changes at the consensus level may seriously impact Bitcoin’s credibility, potentially making some unspent transaction outputs unspendable.
The unfolding BIP-110 event offers concrete insights about the current scenario:
- The enforcing branch lagged due to insufficient hashpower.
- Miner cooperation remains critical for BIP-110’s success.
- Consensus-level amendments raise trust and reliability concerns.
- Real-time tracking tools become invaluable during such split scenarios.
BIP-110’s current hurdles underscore an ongoing need for innovation and consensus within the Bitcoin ecosystem. As the blockchain community navigates these complexities, it remains clear that cooperation and mutual agreement are crucial for progress. The situation offers vital lessons on governance and the delicate balance between innovation and stability within decentralized networks.



