Hmmm… but if signing with ANYONECANPAY, even with SIGHASH_ALL, then Inputs Modifiable will not be set to False. So another SP unaware constructor can add a new input that modifies the shared secret and invalidates the already signed outputs.
Hmmm… but if signing with ANYONECANPAY, even with SIGHASH_ALL, then Inputs Modifiable will not be set to False. So another SP unaware constructor can add a new input that modifies the shared secret and invalidates the already signed outputs.