[bitcoin-dev] BIP114 MAST updated

Johnson Lau jl2012 at xbt.hk
Sun Jul 31 02:03:11 UTC 2016

I have published a new version for BIP114 MAST. It's a bit more complicated with some new features:

1. It allows different parties in a contract not to expose their scripts to each other until redemption.

2. It includes a field to indicate the script language version so new opcodes could be added without touching the version byte nor the witness program.

You can find the updated BIP and code at:



The old version:


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