Google Demonstrates Quantum Computing Breakthrough, Raising Cryptography Concerns

WHY IT MATTERS

Most cryptocurrencies use mathematical puzzles to keep your funds safe. Your "private key" is like a secret password, and current computers would take millions of years to guess it. Quantum computers work in a fundamentally different way from regular computers — think of them as being able to try many solutions simultaneously rather than one at a time. If quantum computers become powerful enough, they could potentially solve those puzzles much faster, which would threaten the security of crypto wallets and transactions. This is why advances in quantum computing are closely watched by the crypto community. However, researchers are already developing new types of encryption designed to be safe even against quantum computers, so the industry is aware of the challenge and working on solutions.