At block height 961632, nodes running BIP-110 split from the main Bitcoin chain after rejecting the first block that lacked the required version bit 4 signal. This fork, intended to restrict arbitrary data storage via projects like Ordinals and Runes, failed to gather necessary support: only 0.3% to 2.6% of miners signaled backing, far below the required 55% threshold. Michael Saylor, executive chairman of Strategy, had predicted that any fork resulting from BIP-110 would become economically insignificant. The affected nodes, primarily running Bitcoin Knots software, are now isolated from the network and must either resync with the main chain or operate on what amounts to a ghost network.
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