ZKM research warns that hash-based cryptography alone does not guarantee post-quantum security in zero-knowledge proofs, identifying elliptic-curve assumptions embedded in Ziren's memory checks.
Tech & Launches ·
ZKM has flagged a cryptographic vulnerability in zero-knowledge proof systems, warning that reliance on hash-based constructs alone does not confer post-quantum security. The research identifies elliptic-curve assumptions embedded within Ziren's memory checks, suggesting that underlying architectural components retain classical cryptographic dependencies despite surface-level hash-based design.
The distinction matters because post-quantum cryptography requires algorithms resistant to quantum attack across all computational layers, not merely at isolated entry points. If memory verification schemes—a core component of zero-knowledge proof construction—depend on elliptic-curve mathematics, they inherit the same vulnerability to quantum factorization that affects ECDSA and secp256k1 signatures on blockchains. This means a system claiming post-quantum readiness through one mechanism could still be compromised through a different vector.
What remains unclear is whether Ziren's developers were aware of these embedded assumptions, how widespread this pattern may be across other zero-knowledge proof implementations, and what remediation path exists without fundamentally redesigning memory-checking protocols. The finding underscores a broader post-quantum migration challenge: defensive layering requires scrutiny at every cryptographic component, not just headline algorithm choices.