Да, при установке было такое:
Total 10 MB/s | 15 MB 00:01
warning: rpmts_HdrFromFdno: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
Importing GPG key 0xC105B9DE:
Userid : CentOS-6 Key (CentOS 6 Official Signing Key) <centos-6-key@centos.org>
Package: centos-release-6-2.el6.centos.7.i686 (installed)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
Is this ok [y/N]: y
warning: rpmts_HdrFromFdno: Header V4 RSA/SHA1 Signature, key ID a4360c84: NOKEY
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-bitcoin
Importing GPG key 0xA4360C84:
Userid : Bitcoin RPM Repository <bitcoin@ringingliberty.com>
Package: bitcoin-release-1-4.noarch (@/bitcoin-release-1-4.noarch)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-bitcoin
Is this ok [y/N]: y
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction