Bitcoin

The acoustic Purcell effect demonstration advances diamond-based quantum computing hardware, a key candidate for fault-tolerant quantum processors. While still years from threatening classical cryptography, each incremental step reduces the timeline for quantum supremacy, which could eventually break current blockchain signatures (ECDSA, Schnorr).

Researchers observed the acoustic Purcell effect by constructing a microwave-frequency nanomechanical resonator around a colour centre spin qubit in diamond.