Questions tagged [bip66]

I'm curious to hear an in-depth explanation of the hard fork and how it was caused; I've heard/read a great deal but I'm lacking a cohesive explanation.

The recent re-emergence of transaction malleability has been responsible for a large number of Txs which are being double spent (October 2015). /r/Bitcoin has posted some C++ code which @amaclin has taken responsibility for. I understand that,…

Recently, BIP66 switched from activation (miners enforce rules within block) to enforcement (network enforces rules on all blocks). I'm having trouble figuring out when this happened, or on what block it happened.

I've been trying to understand what exactly happened in July 2015. Specifically, I can't figure out why F2Pool and AntPool mined for so long (~1 hour) on an unverified chain? According to blockchain.info, the first orphaned block was generated at…