Coinbase has brought Bitcoin quantum security into sharper focus after outlining a detailed plan to prepare Bitcoin infrastructure for future advances in quantum computing.

Coinbase CEO Brian Armstrong said quantum computing does not represent an immediate threat to Bitcoin, but he said preparations need to begin well before machines become powerful enough to challenge today’s cryptography. Armstrong’s comments were linked to his public post on X: https://x.com/brian_armstrong/status/2081131965491634385?s=20

The announcement came alongside the launch of the Bitcoin Security Consortium, whose members include BlackRock, Fidelity Digital Assets, Block, Strategy, Anchorage Digital, ARK Invest, Blockstream, Galaxy, and Coinbase. The focus on preparation reflects a core challenge for public blockchains: security upgrades must be coordinated across software clients, wallets, custodians, exchanges, miners, node operators, and users without a central authority forcing adoption.

Coinbase expands internal quantum security planning

Armstrong said the industry should begin preparing now because no one can know when a fault-tolerant quantum computer will become available. He noted that Coinbase formed its Independent Advisory Board on Quantum Computing and Blockchain earlier this year to assess realistic risks and recommend practical steps.

According to Coinbase, the advisory board concluded that existing blockchain cryptography will need to be replaced. It also found that the largest obstacle is migration rather than cryptographic design, because upgrades would require coordination across millions of users and decentralized networks.

Coinbase said its proprietary CoreKMS platform currently protects about 99.9% of the digital assets the company holds in custody. The company has already begun developing PQ-CoreKMS, a post-quantum version of its key management platform.

Within the next year, Coinbase expects to introduce an automated signing pipeline that uses secure enclaves, threshold cryptography, and secret-sharing technologies. The company said the system will support post-quantum signature algorithms as blockchains begin adopting new cryptographic standards.

Coinbase has also started reviewing every cryptographic system used across its business. The company said it is ranking migration priorities based on system importance, exposure, and implementation complexity, while setting milestones that would trigger future upgrades. That internal review matters because post-quantum work would not be limited to a single wallet or protocol change; companies that custody assets, operate infrastructure, or build blockchain products must also identify where cryptography is embedded across their own systems.

The company added that it is evaluating how Ethereum’s post-quantum roadmap affects Base, its Layer 2 network, before preparing further migration plans.

Bitcoin Security Consortium adds funding and engineering support

Coinbase also said it will host a working session with Stanford in August. The meeting is intended to give Bitcoin Core developers, cryptographers, and researchers an opportunity to discuss practical strategies for migrating to a future in which quantum computers are possible.

The company said it plans to hold similar sessions regularly so technical discussions can continue as development work proceeds.

Coinbase is also a founding member of the newly formed Bitcoin Security Consortium. Other members include BlackRock, Fidelity Digital Assets, Strategy, Block, Blockstream, Galaxy, Anchorage Digital, and ARK Invest.

As Cryptopolitan reported, the organizations have committed a combined $15 million over three years to developers, researchers, and organizations working on Bitcoin security. Consortium members will not direct Bitcoin development or make protocol decisions, but they will decide which projects receive funding. That distinction is important for Bitcoin’s governance model, where protocol changes are debated and implemented through open-source development rather than controlled by a consortium of sponsors.

Coinbase said its engineers will also participate directly in open-source efforts supporting proposals such as BIP-360 and other post-quantum migration projects.

Industry work continues despite uncertain timeline

The consortium will also share information about Bitcoin security advances with investors and the public. Robert Mitchnick, BlackRock’s Head of Digital Assets, said Bitcoin Core developers are doing valuable work on the project and that additional funding would help improve the long-term security of the Bitcoin network.

The organizations did not disclose individual financial commitments, and no first recipients of support were announced. It was also not specified whether Galaxy’s $5 million Quantum Spending Plan for quantum signatures, wallet migration, and security audits is included in the consortium’s total commitment. The next concrete developments to watch are the working sessions, any named grant recipients, and further details on how proposed post-quantum migration paths are reviewed by Bitcoin developers and infrastructure providers.