# Post-Quantum Crypto Startup 'Project Eleven' Raises at $120M Valuation

*Author: Jack Inabinet*
*Published: Jan 14, 2026*
*Source: https://www.bankless.com/read/news/post-quantum-crypto-startup-project-eleven-raises-at-120m-valuation*

---

Project Eleven – a "post-quantum" crypto startup that hopes to secure crypto networks (namely Bitcoin) against the emergent threat of quantum computing – has secured $20M in fundraising at a $120M valuation in a Series A round led by Castle Island Ventures.

### **What's the Scoop?**
- **Recent Raise: **Project Eleven announced today that it has fundraised a $20M Series A round led by Castle Island Ventures with participation from Coinbase Ventures, Fin Capital, Variant, Quantonation, Nebular, Formation, Lattice Fund, Satstreet Ventures, Nascent Ventures, and Balaji Srinivasan.
- **Big Ambitions:** Advances in quantum computing threaten to crack the key standards of some crypto networks, including Bitcoin. Project Eleven is "building the tools to make complex, multi-year migrations practical for networks and institutions, including readiness assessments, migration test environments, and deployment sequencing."
- **Existing Products: **In 15 months since its founding, Project Eleven has – among other things – [deployed](https://www.yellowpages.xyz/) yellowpages (the only post-quantum cryptographic solution deployed in production for Bitcoin) and [constructed](https://x.com/SolanaFndn/status/2000948477568934084) a post-quantum testnet for the Solana Network.
- **Partnership Push: **Project Eleven will collaborating with the Solana Foundation and other unnamed "leading protocols and Layer 1 ecosystems" on their post-quantum readiness planning and technical work.

> Project Eleven Raises $20M to PrepareDigital Asset Infrastructure for the Quantum EraProject Eleven, the leader in post-quantum security and migration for digital assets, today announced a $20 million Series A funding round led by Castle Island Ventures with participation from… [pic.twitter.com/Wt0lBxczZy](https://t.co/Wt0lBxczZy)— Project Eleven (@qdayclock) [January 14, 2026](https://twitter.com/qdayclock/status/2011468550523781351?ref_src=twsrc%5Etfw)