Martin via web <issues.guix.gnu.org@elephly.net> skribis:

> The SHA256 checksum is not the hexadecimal one output by sha256sum, and I cannot recompute it as follows `cat bitcoin-0.20.1.tar.gz | sha256sum  | xxd -r -p | base32`
>
> How is this base32 value `0y5rad68b398arh0abr2wgiwybdw0i5a4dxz9s3fk9fgdbyn5gab` computed?
>
> Thanks!

The base32 encoding used by Guix (and by Nix) is different from the
usual one used by the base32 command. You can compute it with
"guix hash bitcoin-0.20.1.tar.gz".