mastercoin-MSC/spec — pull request #148 by zathras-crypto (2014-05-07 04:21:54+00:00)
Title: 140 Finalization - Invalid Inputs

Allowing invalid inputs to be filtered and the transaction to proceed
with decoding changes history in simulation, so that part of tightening up will be reversed. Any
input not pay-to-pubkeyhash will continue to invalidate a Class B transaction.