The Bitcoin Improvement Proposal (BIP)-110 appeared to stall at the weekend, when the nodes that support the proposal broke away from the main network and produced the chain split people had been warning about — a tiny, stalled one.

The split came Saturday at block 961,632, when the proposal entered its mandatory signaling window. Nodes running BIP-110 software began rejecting any block that failed to signal support through version bit 4. When the first block at that height arrived without the signal, those nodes rejected it and peeled away onto a separate chain.

And it has gone almost nowhere since. 

A pseudonymous mining group called Roughnecks produced both BIP-110…

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