Brian Armstrong, CEO of Coinbase, indicated a change in focus toward post-quantum security by announcing that he will start giving the problem his full attention. His remarks come after Coinbase Chief Security Officer Philip Martin made a thorough statement outlining the complexity and urgency of getting Bitcoin and the larger cryptocurrency ecosystem ready for possible quantum threats.
Martin cited Google and Caltech's latest quantum computing research as a significant signal for the sector. He stressed that preparation cannot be postponed even though there is no agreement as to when quantum systems capable of cracking existing cryptography will appear.
Going to start spending time on this personally - seems like we all need to solve it sooner rather than later. https://t.co/qLUE6TCPL5
— Brian Armstrong (@brian_armstrong) April 2, 2026HOT Stories'Living Rent-Free': Ripple CEO Fires Back at Avalanche Founder Shiba Inu (SHIB) Back to Life, Ethereum Now on Path to $3,000, Dogecoin's (DOGE) Zero Removal in Question: Crypto Market Review
Martin claims that although post-quantum cryptography is already available and provides workable solutions, its uptake across blockchain networks is still uneven. In this regard, Bitcoin in particular was noted as falling short. While many other chains have started laying out migration plans, Bitcoin has not yet agreed upon a clear course of action.
Martin pointed out that switching to quantum-resistant systems involves more than just technical improvements. It creates coordination issues between wallets, infrastructure providers and users, particularly when some participants do not migrate before the emergence of a quantum computer that is relevant to cryptography. Additionally, he emphasized that post-quantum cryptography is still in its infancy in real-world applications.
Implementation done too quickly may result in new vulnerabilities, which could compromise security rather than strengthening it. Therefore, prior to any significant change, thorough auditing and consensus from the entire ecosystem are necessary. Internal initiatives, such as research projects, infrastructure improvements and the creation of a Quantum Advisory Council, have already been started by Coinbase.
By bringing together Bitcoin Core developers and other stakeholders to define standards and migration strategies, the company is also making an effort to serve as a coordinator. Armstrong's choice to participate directly implies that Coinbase sees this as a strategic risk as opposed to an abstract theoretical issue.