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| author | Pieter Wuille <pieter.wuille@gmail.com> | 2017-08-03 12:14:43 -0700 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2017-08-03 23:30:48 -0700 |
| commit | 59391f1862873a66af0a15fe776cc335412cc875 (patch) | |
| tree | 44b8db27000ac4630513976f41dfd770a9644969 /bip-0173.mediawiki | |
| parent | 9b1e7dc8f5cba6937b95bd19c55c8b1af2fd05c5 (diff) | |
| download | bips-59391f1862873a66af0a15fe776cc335412cc875.tar.xz | |
Elaborate on the encoding of witness versions
Diffstat (limited to 'bip-0173.mediawiki')
| -rw-r--r-- | bip-0173.mediawiki | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/bip-0173.mediawiki b/bip-0173.mediawiki index d9b3a03..0c911b4 100644 --- a/bip-0173.mediawiki +++ b/bip-0173.mediawiki @@ -227,6 +227,12 @@ program is neither 20 nor 32 bytes, the script must fail.'' As a result of the previous rules, addresses are always between 14 and 74 characters long, and their length modulo 8 cannot be 0, 3, or 5. Version 0 witness addresses are always 42 or 62 characters, but implementations MUST allow the use of any version. +Implementations should take special care when converting the address to a +scriptPubkey, where witness version ''n'' is stored as ''OP_n''. OP_0 is +encoded as 0x00, but OP_1 through OP_16 are encoded as 0x51 though 0x60 +(81 to 96 in decimal). If a bech32 address is converted to an incorrect +scriptPubKey the result will likely be either unspendable or insecure. + ===Compatibility=== Only new software will be able to use these addresses, and only for |