# Differential Fuzzing of Bitcoin implementations

**URL:** <https://delvingbitcoin.org/t/differential-fuzzing-of-bitcoin-implementations/208>\
**Category:** Implementation\
**Tags:** lang:rust, fuzz, miniscript\
**Created:** [November 18, 2023, 3:06pm UTC](https://delvingbitcoin.org/t/differential-fuzzing-of-bitcoin-implementations/208 "2023-11-18T15:06:59Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![sipa](https://delvingbitcoin.org/user_avatar/delvingbitcoin.org/sipa/32/1100_2.png) [@sipa](https://delvingbitcoin.org/u/sipa)\
**Post date:** [November 29, 2023, 11:01pm UTC](https://delvingbitcoin.org/t/differential-fuzzing-of-bitcoin-implementations/208/2 "2023-11-29T23:01:43Z")

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Nice, and it seems you’ve discovered something too ([bug: `pk()()` is considered a valid policy · Issue #140 · sipa/miniscript · GitHub](https://github.com/sipa/miniscript/issues/140))!

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