A signed warrant canary is published every two months to ensure that Silence has not been compromised by any third-party using a subpoena. You can download the warrant and the PGP key (fingerprint is 2684 ECEF 6076 1A5B 259F 45CC 878D 6D09 1EDE 0989).

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

As of today, 2022-04-01, Silence has not been compromised. There
is no backdoor and no known security breach has been left.

This canary should be updated and resigned every two months.
-----BEGIN PGP SIGNATURE-----
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=XJY+
-----END PGP SIGNATURE-----

How to verify the warrant canary?

  1. Download the key: curl -sS https://silence.im/pgp.pub | gpg --import -
  2. Verify the warrant canary: curl -sS https://silence.im/canary.txt | gpg --verify -