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Crypto Firms Race to 'Quantum-Proof' Wallets Before Bitcoin, Ethereum Networks Catch Up
TL;DR
Crypto firms are developing quantum-resistant wallets to secure their offerings before blockchain upgrades occur. The urgency arises from the potential threat of quantum computing, with estimates suggesting it could impact networks like Bitcoin and Ethereum as soon as 2030.
Key points
- Firms are building quantum-resistant wallets ahead of blockchain upgrades
- Approaches range from MPC upgrades to layer-2 overlays
- Experts say user behavior and coordination remain weak points
- Quantum computing threat could impact networks by 2030
Mentioned in this story
Silence Laboratories
In brief
- Firms are building quantum-resistant wallets ahead of blockchain upgrades.
- Approaches range from MPC upgrades to layer-2 overlays.
- Experts say user behavior and coordination remain weak points in quantum upgrade rollouts.
Crypto companies are moving to secure their wallet and custody offerings against a future quantum computing threat, aiming to upgrade user-facing infrastructure faster than blockchains can change their core protocols.
The shift reflects a growing view that network-level upgrades to blockchains like Bitcoin and Ethereum could take years, leaving wallets exposed in the meantime. And the timeline for the purported “Q-Day” threat to crypto could be coming faster than expected, with one recent estimate putting it as soon as 2030.
One company working to bring post-quantum security to crypto wallets is Silence Laboratories, which said it has added support for distributed—or multi-party computation (MPC)—signatures using ML-DSA, a cryptographic algorithm selected by the National Institute of Standards and Technology (NIST).
Jay Prakash, CEO and co-founder of Silence Laboratories, said the company’s work follows recent developments in post-quantum cryptography, including NIST’s approval of three algorithms: SPHINCS+, Falcon, and CRYSTALS-Dilithium.
Prakash said the company spent the past six months evaluating those algorithms for distributed signing systems used by custodians and institutional wallets.
"Not all of SPHINCS+, Falcon, and CRYSTALS-Dilithium will meet the criteria of multi-party computation (MPC) friendliness—whether they support efficient distributed transaction signing—and a potential fragmentation has to be factored in too, because each chain is picking a different scheme with its own optimization criteria, signature size, or compute efficiency," Prakash said.
The key, he added, is generated as shares across isolated nodes, and a signature is produced jointly without the key ever being reconstructed. That helps protect against the threat of quantum computers, which are estimated to be able to break current cryptography within a matter of years. And businesses understand the need, Prakash added.
Q&A
What are quantum-resistant wallets and why are they important?
Quantum-resistant wallets are designed to secure crypto assets against potential threats posed by quantum computing, which could compromise current cryptographic methods.
Which companies are leading the development of quantum-proof wallets?
Silence Laboratories is one of the companies working on quantum-proof wallets, implementing multi-party computation signatures to enhance security.
When is the potential threat of quantum computing expected to impact Bitcoin and Ethereum?
Experts estimate that the threat from quantum computing, referred to as 'Q-Day', could arrive as soon as 2030.
What challenges do crypto firms face in upgrading to quantum-resistant technology?
Challenges include weak user behavior and coordination, which could hinder the effective rollout of quantum upgrade initiatives.
