Does the PSBT carry any compromising date on any of its stages? what about if you save the output of "copy to clipboard" on a txt file? specially when signed
Aside from the transaction's Locktime, there's no defined date/time in the PSBT.
The "
save to file" and "
save to clipboard" options just differ on the encoding but the PSBT are the same.
The former is in binary format and the latter is in base64.