# \#bitcoin

**URL:** https://superpositions.com/tag/bitcoin/3.md

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## [The Cost of an Upgrade - Post-Quantum Impact on Bitcoin](https://superpositions.com/t/the-cost-of-an-upgrade-post-quantum-impact-on-bitcoin/43)

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**Author:** [@kearneyjj](https://superpositions.com/u/kearneyjj)\
**Replies:** 0\
**Last updated:** [July 25, 2025, 4:09pm UTC](https://superpositions.com/t/the-cost-of-an-upgrade-post-quantum-impact-on-bitcoin/43 "2025-07-25T16:09:15Z")

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Time is running out for RSA and the Elliptic Curve Digital Signature Algorithm (ECDSA). They won’t survive a cryptographically relevant quantum computer (CRQC), and upgrades to our underlying cryptography, globally, have…