What is the Q-Day prize? The Q-Day Prize is a challenge to make the Bitcoin network quantum resistant. On April 16, 2025, quantum computing-focused company Project 11 announced the “Q-Day Prize,” a ...

Experts warn quantum computers could someday forge Bitcoin’s digital signatures, allowing unauthorized transactions.

Explore what could happen to Satoshi’s 1 million BTC if quantum computers ever break early Bitcoin addresses and expose their private keys to the first Q-Day attacker.

Building on a landmark algorithm, researchers propose a way to make a smaller and more noise-tolerant quantum factoring circuit for cryptography. The most recent email you sent was likely encrypted ...