Quantum Computing Giant Warns Bitcoin Could Face Future Security Threat
TL;DR
- D-Wave CEO Alan Baratz warns that advanced quantum machines could eventually challenge Bitcoin’s proof-of-work security.
- The company introduced an experimental quantum proof-of-work concept designed to improve mining efficiency.
- Experts say current quantum systems are not an immediate threat, while the crypto industry continues researching post-quantum solutions.
Bitcoin faces a long-term security discussion after D-Wave CEO Alan Baratz warned that advanced quantum computing could eventually challenge the technology behind Bitcoin mining. The comments renew debate around how crypto networks can prepare for future cryptographic changes while preserving decentralization.
"At some point, quantum computing will break the bitcoin proof-of-work protocol; that's clear," D-Wave CEO @Alan_Baratz says on the future of bitcoin and quantum computing. pic.twitter.com/rcjkCZcWhI
- Yahoo Finance (@YahooFinance) July 28, 2026
Quantum Computing Threat Evolves
During a recent Yahoo Finance interview, Baratz said sufficiently advanced quantum machines could outperform the hardware currently used in Bitcoin’s proof-of-work system. He explained that the timeline remains uncertain, but the industry should evaluate quantum-resistant alternatives before such capabilities become practical.
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