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Diffstat (limited to 'bip-0174.mediawiki')
| -rw-r--r-- | bip-0174.mediawiki | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/bip-0174.mediawiki b/bip-0174.mediawiki index 8ef525c..874af14 100644 --- a/bip-0174.mediawiki +++ b/bip-0174.mediawiki @@ -819,6 +819,9 @@ If an updater is updating a PSBT and needs to add a field that is only available New fields should first be proposed on the bitcoin-dev mailing list. If a field requires significant description as to its usage, it should be accompanied by a separate BIP. The field must be added to the field listing tables in the Specification section. +Although some PSBT version 0 implementations encode types as uint8_t rather than compact size, +it is still safe to add >0xFD fields to PSBT 0, because these old parsers ignore +unknown fields, and <keytype> is prefixed by its length. ===Procedure For New Versions=== |