3 ms·

Quantum computers absolutely exist and are commercially available. They're just not very useful at the moment.

• rtkwe 2y ago
  It get exponentially difficult to add more qubits so it's not a given that we will be able to build one large enough to be a real threat to modern cryptography.
• layer8 2y ago
  “Quantum computers that break diffie hellman as easily as RSA”, where “easily” means “not at all”, do exist.