Nic Carter Highlights Quantum Computing as Bitcoin’s Critical Cryptographic Challenge
Nic Carter, co-founder of Coin Metrics, has underscored the significant long-term threat that quantum computing poses to Bitcoin’s fundamental cryptographic security. In a recent essay published on Monday, Carter elaborated on how Bitcoin’s key system functions and why advances in quantum technology demand serious attention from developers and the broader cryptocurrency community. At the heart of Bitcoin’s security lies its use of elliptic-curve cryptography, specifically the secp256k1 curve employed in ECDSA and Schnorr signature schemes. Carter explains that users generate a private key—a secret number—from which a corresponding public key is derived through elliptic-curve mathematics. This process is intentionally one-directional:












