tree-wide: Rename gitian-keys to builder-keys

contrib/README.md

@@ -29,8 +29,8 @@ All other packaging related files can be found in the [bitcoin-core/packaging](h
 ### [Gitian-descriptors](/contrib/gitian-descriptors) ###
 Files used during the gitian build process. For more information about gitian, see the [the Bitcoin Core documentation repository](https://github.com/bitcoin-core/docs).
 
-### [Gitian-keys](/contrib/gitian-keys)
-PGP keys used for signing Bitcoin Core [Gitian release](/doc/release-process.md) results.
+### [Builder keys](/contrib/builder-keys)
+PGP keys used for signing Bitcoin Core [release](/doc/release-process.md) results.
 
 ### [MacDeploy](/contrib/macdeploy) ###
 Scripts and notes for Mac builds.

contrib/builder-keys/README.md

@@ -1,10 +1,10 @@
-## PGP keys of Gitian builders and Developers
+## PGP keys of builders and Developers
 
-The file `keys.txt` contains fingerprints of the public keys of Gitian builders
-and active developers.
+The file `keys.txt` contains fingerprints of the public keys of builders and
+active developers.
 
 The associated keys are mainly used to sign git commits or the build results
-of Gitian builds.
+of Guix builds.
 
 The most recent version of each pgp key can be found on most pgp key servers.
 
@@ -16,12 +16,12 @@ To fetch the latest version of all pgp keys in your gpg homedir,
 gpg --refresh-keys
 ```
 
-To fetch keys of Gitian builders and active developers, feed the list of
-fingerprints of the primary keys into gpg:
+To fetch keys of builders and active developers, feed the list of fingerprints
+of the primary keys into gpg:
 
 ```sh
 while read fingerprint keyholder_name; do gpg --keyserver hkp://subset.pool.sks-keyservers.net --recv-keys ${fingerprint}; done < ./keys.txt
 ```
 
-Add your key to the list if you provided Gitian signatures for two major or
+Add your key to the list if you provided Guix attestations for two major or
 minor releases of Bitcoin Core.