# Coinbase Proposes Strategic Framework for Bitcoin Quantum Security The exchange outlines technical requirements to protect Bitcoin against future quantum computing threats. - **Source:** [Gizmodo](https://brifing.si/source/63382431-cef0-4c41-883e-2f88dc21351e) - **Published:** 2026-10-16 - **Topic:** [Software & Engineering](https://brifing.si/c/engineering) - **Original article:** - **On Brifing:** https://brifing.si/s/45e5fbd1-91ab-4a9b-9eed-681e2ed46ec0 ## Quantum Threat Awareness Concerns regarding quantum computers potentially unlocking Bitcoin holdings have intensified across the industry. Coinbase is actively allocating resources to address these security vulnerabilities. The exchange recently published a detailed blog post outlining specific technical features required for a robust transition strategy to protect Bitcoin against future cryptographic decryption capabilities. ## Core Transition Requirements Coinbase advocates for a flexible design that decouples coin containers from signature schemes. This modular approach allows for the future swapping of post-quantum signature systems. The proposed strategy must support institutional custody, fit within existing block space constraints, and preserve independent validation by full nodes while accommodating standard user wallets. ## Staged Migration Strategy The exchange suggests a staged transition using a 1-of-2 setup, allowing funds to be spent via classical or post-quantum keys. This framework supports multi-party computation, a technique currently used by institutions to prevent theft. By starting preparations before a cryptographically relevant quantum computer arrives, the ecosystem can ensure a smoother migration. ## Legacy Fund Governance Coinbase argues that legacy funds, including Satoshi Nakamoto’s holdings, should be treated as a separate engineering and governance problem. Approximately 1.7 million Bitcoin reside in the oldest vulnerable address types, with 7 million total considered vulnerable. The firm suggests focusing on protecting users willing to upgrade rather than forcing immediate protocol changes. ## Collaborative Protocol Development The company emphasizes its role as a single node in a decentralized network, contrasting this stance with its past involvement in block size debates. Coinbase is contributing to ongoing community efforts like BIP-360 and P2TRv2. It also supports the Bitcoin Security Consortium, which pledged $15 million to fund essential security research. ## Technical Signature Evaluation Coinbase recommends evaluating several signature schemes, including ML-DSA, SLH-DSA, and FN-DSA. They also highlight SHRINCS, a compact hash-based candidate proposed by Blockstream Research. These evaluations aim to provide a credible migration path for the ecosystem, ensuring that security implementations remain robust even if specific cryptographic methods are eventually compromised by advancements. ## Addressing AI-Driven Risks Recent debates emerged regarding whether AI-driven mathematical breakthroughs could break ECDSA before quantum computers do. Coinbase’s head of cryptography, Yehuda Lindell, dismissed these claims as fear-mongering. He stated that current AI capabilities do not indicate that problems assumed to be hard are actually solvable, maintaining that existing cryptographic security remains fundamentally sound. ## Long-term Security Outlook Protocol changes in Bitcoin typically require years of consensus-building and testing. While emergency scenarios might accelerate this timeline, developers remain cautious about hasty upgrades that could introduce new vulnerabilities. Coinbase frames its current input as a contribution to an open discussion, aiming to foster sustained, careful progress toward quantum-resistant infrastructure. ## Sources covering this story - https://gizmodo.com/coinbase-lays-out-how-it-thinks-bitcoin-should-prepare-for-the-quantum-threat-2000826041 — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._