A Bitcoin fork built on BIP-110 has produced exactly two blocks since it launched Saturday, with zero signs of further mining activity picking up anytime soon. More context: BIP-110 Fork Sits 18 Blocks Behind Bitcoins Main Chain After Roughnecks SplitThe BIP-110 chain doesn’t. A transaction broadcast on the fork chain can also be valid on the main Bitcoin network, which opens the door for someone to use fork coins to claim real Bitcoin. More context: BIP-110 Forces a Minority Bitcoin Chain at Block 961,632 With 2.53% Miner BackingAnd the security picture isn’t great either. Why can’t the BIP-110 chain adjust its mining difficulty?