Project Eleven and Quantus Test Quantum-Safe Custody
The partnership focuses on institutional storage for Bitcoin and other assets, with hardware security modules, audit trails, and post-quantum cryptography. That way, the companies want to be ready for different blockchain standards.
Key Takeaways
- Project Eleven and Quantus want to connect their systems in the first quarter of 2027 for quantum-safe institutional custody.
- Institutions should be able to manage Quantus keys through hardware security modules, internal approvals, and audit processes.
- The industry is preparing for post-quantum cryptography, because multiple blockchains may start using different security standards.
Bitcoin developers are debating when the network should prepare for quantum computing, while Project Eleven and Quantus are already working on institutional custody that is meant to withstand new cryptographic requirements. The two companies want to connect their systems in the first quarter of 2027 so institutions can manage Quantus keys through hardware security modules, internal approvals, and audit processes.
Custody Has to Evolve Too
The issue is not limited to just one blockchain. Banks and custodians may need to support multiple forms of post-quantum cryptography if different networks each choose their own security standard. That makes key management more complicated, especially if one party is holding Bitcoin, Ethereum, and other assets at the same time.
Project Eleven says its Strongpoint platform was built specifically to separate a custodian's control layer from the signature scheme of the underlying chain. In practice, that means an institution can keep its approval process, hardware-based key storage, and audit trail even if a network switches to different cryptography.
Why This Matters Now
These concerns fit into a broader debate about quantum security in crypto. Quantum computing is especially a risk for public key systems like elliptic curve cryptography, which is still widely used today for transactions and digital signatures. That is why part of the industry is already looking at post-quantum cryptography, since moving to new standards, migrating existing keys, and aligning systems across multiple blockchains takes a lot of work.
The so-called harvest now, decrypt later model also plays into that debate. Under that scenario, attackers could already collect encrypted data now and decrypt it later once quantum computers become powerful enough. That makes the timing of preparations important, even though it is still unclear when computers capable of cracking Bitcoin or Ethereum will actually be available. Earlier, Europol warned that wallets are likely to be the first target of such attacks, not the blockchain itself.
Implications for Institutional Players
For European crypto firms and asset managers, this matters because custody is not just about storage, but also about control, audit, and compliance. If blockchains eventually choose different quantum-safe standards, that could increase operational complexity for institutions. Project Eleven and Quantus show that the industry is already thinking about how that transition can stay manageable without forcing existing processes to be completely overhauled.
