Quantum Computing Threat: Zcash Co-Founder Warns It’s Coming for Bitcoin
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TLDR: Crypto networks must formally recognize the quantum computing threat before technical mitigation efforts can move forward. Post-quantum cryptography already exists and can replace vulnerable signature schemes in major blockchain protocols. Expert-led teams will define standards and security levels for wallets and core crypto infrastructure. Implementation requires coordinated upgrades across protocols, wallets, and external blockchain services. The quantum computing threat has moved back into focus after a warning from a leading cryptography figure in the crypto sector. The message targets Bitcoin and other blockchains that still rely on traditional signature schemes. It outlines a structured path for how networks should prepare for a post-quantum future. The call stresses urgency but centers on coordination and technical readiness. Quantum Computing Threat Prompts Call for Industry-wide Awareness Eli Ben-Sasson, a co-founder of Zcash and chair of Starknet.io, shared a multi-step plan on social media to confront the quantum computing threat. He said the first challenge lies in recognition. Networks must openly accept that large-scale quantum machines would weaken current cryptographic standards. What can the crypto community (Bitcoin and other chains) do to avert the quantum computing threat? 1. Recognize the threat: acknowledge and say upfront that the emergence of a quantum computer is a serious issue, and it must be addressed decisively. It sounds strange to say it… — Eli Ben-Sasson | Starknet.io (@EliBenSasson) February 22, 2026 Education followed as the second priority. He urged developers and users to study both quantum progress and existing post-quantum cryptography options. Ben-Sasson noted that secure alternatives already exist. He pointed to signature schemes and stronger hash requirements as areas ready for evaluation. The post framed the issue as technical, not theoretical. It called on Bitcoin and other chains to treat quantum risk like any other core protocol vulnerability. Post-quantum Cryptography Becomes a Development Priority The third…
Filed under: News - @ February 22, 2026 2:15 pm