[Bitcoin-development] BIP - Selector Script
tier.nolan at gmail.com
Fri Apr 25 18:49:35 UTC 2014
This is a BIP to allow the spender to choose one of multiple standard
scripts to use for spending the output.
This is required as part of the atomic cross chain transfer protocol. It
is required so that outputs can be retrieved, if the process ends before
The script allows multiple standard scripts to be included in the
When redeeming the script the spender indicates which of the standard
scripts to use.
Only one standard script is actually executed, so the only cost is the
extra storage required.
A more ambitious change would be a soft fork like P2SH, except the spender
is allowed to select from multiple hashes. Effectively, it would be
This gets much of the benefits of MAST, but it requires a formal soft fork
If there is agreement, I can code up the reference implementation as a PR.
The multi-P2SH might actually be easier.
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