Odaily Planet Daily reports: Samson Mow, CEO of JAN3, posted on X that the response to the threat of quantum computing (QC) against Bitcoin should not be rushed. Prematurely switching from existing signature schemes to post-quantum (PQ) alternatives could expose Bitcoin to classical computing attacks in the short term. PQ signatures may increase in size by 10 to 125 times, significantly reducing network throughput and potentially reigniting scaling controversies similar to the early "block size wars." Additionally, Samson Mow warned that some PQ schemes may carry potential backdoor risks. The threat from quantum computing remains a medium- to long-term concern (possibly 10 to 20 years away); thus, the more reasonable path forward is continued research rather than hasty deployment. He also specifically named Coinbase, noting that its wallet poses a quantum attack risk due to address reuse, and recommended prioritizing fixes to these infrastructure vulnerabilities.
JAN3 CEO Warns Against Hasty Bitcoin Quantum Security Upgrades
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Summary
JAN3 CEO Samson Mow urged a cautious approach to Bitcoin’s quantum security upgrades, emphasizing that a hasty transition to post-quantum signatures could introduce new risks. He warned that larger signature sizes might degrade network performance and reignite scaling debates. Mow also expressed concerns about potential backdoors in some post-quantum schemes and stressed the need for further research. With quantum threats still a long-term concern, he questioned the risk-to-reward ratio of early adoption. He argued that value investing in crypto requires patience and sound technical judgment.
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