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, 2020-06-01, 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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=bK/W
-----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 -