Google's quantum paper made headlines with that number. Here's what it means, what's actually at risk, and why 6.9 million ...

Crypto entrepreneur Nic Carter has urged Bitcoin developers to catch up on quantum resistance or risk losing out to Ethereum, which already has a post-quantum roadmap. Elliptic curve cryptography (ECC ...

One paper finds that attacking the bitcoin blockchain through quantum mining would demand the energy output of a star.