BIP-110 Signaling Progress
Miner block signaling · 55% threshold required for activation
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Block Signal Rate
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Difficulty Period
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Blocks Remaining
~2 weeks per period
Chain Tip
Latest block height
Blocks Needed (55%)
To reach activation in this period
Mandatory Signal
961,632
Block height (approx. late July 2026)
Activation Threshold Progress
55% of blocks in one difficulty adjustment period (2,016 blocks) must signal
—%
of 55% target
10%
20%
40%
50%
55%
Historical Signaling — By Period
% of blocks signaling per 2,016-block difficulty adjustment period since tracking began (Dec 2025)
— periods
Node Software
Breakdown of BIP-110 node implementations
Primary Bitcoin Knots
583 / 24,481
Non-signaling Bitcoin Core
~23,648 / 24,481
Other Other / Unknown
~250 nodes
Note
Node signaling (running BIP-110 software) differs from miner block signaling. Activation is determined by block signaling (miners), not node count. Node data per Luke Dashjr, Jan 2026.
Threshold Alerts
Milestone triggers for block signaling
Activation Mechanism
BIP-110 uses BIP9 version-bit signaling (bit 4). If 55% of blocks in a single 2,016-block difficulty period signal support, the soft fork locks in, then activates after one additional grace period (~2 weeks). Source: bip110monitor.com
Period-by-Period History
All tracked difficulty adjustment periods
Period Start Block End Block Blocks Tracked Signaling Rate Progress
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BIP-110 Context
Key facts about this soft fork proposal
Proposed By
Dathon Ohm (anon)
Introduced
December 2025
Activation Threshold
55% of blocks / period
Duration
1 year (temporary soft fork)
First Signaling Block
Ocean Pool — March 2026
OP_RETURN Limit
83 bytes max
TX Output Limit
34 bytes max
Signaling Bit
BIP9 Version Bit 4
Mandatory Signal Window
Blocks 961,632–963,647
Primary Node Implementation
Bitcoin Knots
Data Source
Target / Opposed By
Ordinals, BRC-20, large OP_RETURN