Q-Day Is Imminent. Can Bitcoin Survive the Quantum Threat?

January 18, 2026

Posted January 18, 2026 at 5:35 pm EST.

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Post-quantum era focused blockchain builder Project Eleven has just raised $20 million from the industry’s heavy hitters as concerns over Bitcoin’s quantum readiness grow.

In this Unchained podcast episode, Project Eleven CEO Alex Pruden delves into the urgency of the quantum threat to Bitcoin while highlighting which other blockchains are most at risk. He also shares what Project Eleven is focused on to help crypto prepare and the potential outcomes.

Listen to learn why Pruden believes implementing post-quantum cryptography would be the most significant upgrade blockchains have ever undergone and why a Bitcoin chain split is likely.