Near One warns quantum attacks could create crypto ownership crisis

Near Protocol is addressing quantum computing threats to cryptocurrency security by preparing a quantum-safe signing testnet launching by Q2 2026. The development highlights growing industry concerns that quantum attacks could undermine blockchain ownership verification and create widespread custody crises across crypto assets.

Near Protocol's proactive stance on quantum resistance signals the blockchain industry's maturation in addressing long-term security vulnerabilities. While quantum computers capable of breaking current cryptographic standards remain theoretical, the timeline for their emergence—potentially 10-15 years—justifies immediate preparation. Near's testnet rollout by Q2 2026 demonstrates that leading layer-1 protocols recognize quantum threats demand infrastructure updates before crisis conditions emerge.

Quantum computing poses a unique asymmetric risk to blockchain systems. Current elliptic curve cryptography securing private keys could be compromised by sufficiently powerful quantum computers, potentially allowing attackers to derive private keys from public addresses. This creates an existential problem: proving ownership of crypto assets becomes mathematically questionable if signature verification systems fail. The implications extend beyond individual wallets to smart contracts, protocol governance, and institutional custody solutions.

The industry-wide implications are substantial. Institutional adoption depends partly on security certainty; quantum vulnerability introduces regulatory and fiduciary liability concerns for custodians and exchanges. Developers across multiple chains will likely need to implement quantum-resistant signing algorithms, potentially triggering coordinated protocol upgrades similar to major forks. This could fragment liquidity and create transition complications for users managing assets across multiple chains.

Near's early move positions the protocol competitively as security-conscious infrastructure. However, broader ecosystem adoption requires standardization across Bitcoin, Ethereum, and other major chains. The coming years will determine whether crypto networks achieve coordinated quantum migration or face fragmented security standards that complicate interoperability and institutional onboarding.

• →Near Protocol plans quantum-safe signing testnet by Q2 2026 to address emerging quantum computing threats
• →Quantum computers could derive private keys from public addresses, undermining proof of ownership across blockchains
• →Institutional crypto adoption faces regulatory pressure as quantum vulnerability creates custody and liability concerns
• →Industry-wide quantum migration requires coordination across multiple layer-1 protocols and could trigger major infrastructure upgrades
• →Early quantum-resistant implementations give protocols competitive advantages in attracting security-conscious users and institutions