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, 2020-09-02, 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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=uJmu
-----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 -