IonQ estimates a 20,000-qubit fault-tolerant quantum computer could solve Bitcoin’s secp256k1 elliptic-curve problem in about 26 days.

IonQ estimates a 20,000-qubit fault-tolerant quantum computer could solve Bitcoin’s secp256k1 elliptic-curve problem in about 26 days.

IonQ has published a study detailing a fault-tolerant quantum computing architecture capable of breaking 256-bit elliptic curve cryptography, such as that securing Bitcoin, in…