Encrypted messaging app Signal has announced an update to the Signal Protocol to add support for quantum resistance by upgrading the Extended Triple Diffie-Hellman (X3DH) specification to Post-Quantum Extended Diffie-Hellman (PQXDH).
“With this upgrade, we are adding a layer of protection against the threat of a quantum computer being built in the future that is powerful enough to break current
Source:: The Hackers News