11 What is SPV mining, and how did it (inadvertently) cause the fork after BIP66 was activated? 2015-07-06T18:57:16.187

10 Why was the Oct 2015 Transaction Malleability event possible in spite of BIP62/66? 2015-10-23T00:05:53.483

7 When did BIP66 switch from activation to enforcement? 2015-07-06T17:09:30.223

2 July 2015 forks and SPV mining: Why did F2Pool and AntPool mine an unverfied chain for so long? 2016-10-13T18:46:31.173