v9.15.0 - Multi

Release notes:

• Security bugfix: check index of an input's previous output to prevent the fee attack originally reported by Saleem Rashid
• Support for Miniscript wallet policies of the form wsh(<miniscript expression>)
• Updated BTC/LTC amount formatting to display the trailing zeroes
• Allow exporting the xpub at any keypath after user confirmation
• Bitcoin: allow marking non-change transaction outputs as internal
• Allow ETH transactions with empty data + zero value

Verify this release:

Please see the instructions here on how to reproduce this binary.

Alternatively, verify the signatures from the community to verify this build. See the instructions here on how to do so.

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Verify the hash shown by the BitBox02:

The hash of the firmware as verified/shown by the BitBox02 at startup is:

4c08f4bbfc17e8f0f2198b9a4570c7fcf286b6a5fcb86be7c24372f95e48b5c5

See this documentation for more details about this hash.