diff --git a/ch12_mining.adoc b/ch12_mining.adoc index c8555a3f..c299f51e 100644 --- a/ch12_mining.adoc +++ b/ch12_mining.adoc @@ -1863,7 +1863,7 @@ one thing in common: they don't require all nodes to upgrade or force nonupgraded nodes out of consensus. Two soft forks have been -implemented in Bitcoin, based on the re-interpretation((("NOP opcodes"))) of NOP opcodes. +implemented in Bitcoin, based on the re-interpretation((("NOP opcodes")))((("OP_NOP opcodes"))) of NOP opcodes. Bitcoin Script had 10 opcodes reserved for future use, NOP1 through NOP10. Under the consensus rules, the presence of these opcodes in a script is interpreted as a null-potent operator, meaning they have no