OP_CHECKWILDCARDSIGVERIFY or "Wildcard Inputs" or "Coalescing Transactions"

Chris Priest, a member of the bitcoin-dev community, mentioned the idea of OP_CHECKWILDCARDSIGVERIFY in an email on November 24, 2015. The concept had been previously discussed in the -wizards forum earlier that day, which can be viewed at http://gnusha.org/bitcoin-wizards/2015-11-24.log. No further details or context were provided in the email. Bryan, who signed off with his website and phone number, was also included in the email thread.