# \#quantum-computing

**URL:** https://forum.nexa.org/tag/quantum-computing/225.md

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## [Quantum Threats to Blockchain Security and the Nexa Post-Quantum Migration Strategy](https://forum.nexa.org/t/quantum-threats-to-blockchain-security-and-the-nexa-post-quantum-migration-strategy/1644)

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**Author:** [@Nexa](https://forum.nexa.org/u/Nexa)\
**Replies:** 0\
**Last updated:** [January 12, 2026, 8:35pm UTC](https://forum.nexa.org/t/quantum-threats-to-blockchain-security-and-the-nexa-post-quantum-migration-strategy/1644 "2026-01-12T20:35:02Z")

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Quantum computing used to be treated as a “maybe in 50 years” problem. That view is now difficult to defend. In the last few years, improved quantum resource estimates, real hardware progress, and serious national-lev…