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ArcticChain lab
ArcticChain lab

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The Hidden Expiry Date of Your Private Keys: Why PQ Migration Can’t Wait

The Problem: Cryptographic Obsolescence
Most of the Web3 stack is built on Elliptic Curve Cryptography (ECC). While ECC is efficient for today’s hardware, it has a "Known Exploit" in the quantum realm. Unlike classical "brute force" attacks, quantum computers use Shor’s Algorithm to solve the discrete logarithm problem that secures your wallet.
​Real Data: The NIST Timeline
NIST (National Institute of Standards and Technology) didn't release the new Post-Quantum Cryptography (PQC) standards for fun. They released them because the "migration window" is closing.
​Harvesting is happening now: Encrypted data moving across the web is being archived by state actors.
​Standardization: FIPS 203 (ML-KEM) and FIPS 204 (ML-DSA) are now the official replacements for RSA and ECDSA.
​Complexity: You cannot "patch" quantum resistance into an old key. You must replace the primary signer logic entirely.
​How We Acted
We recognized that a home-office server is no longer sufficient for the heavy lifting required by lattice-based PQ signatures. Managing these keys requires:
​High Entropy Generation: More complex than standard key-gen.
​Zero-Downtime Reliability: If the PQ-signer fails, the chain stalls.
​To solve this, we moved our entire Lattice L1 infrastructure—which uses NIST-compliant PQ primary signers—into a professional Hetzner server environment. This provides the hardware-level security, enterprise firewalls, and 24/7 uptime required for a private chain that actually protects against the harvest-now threat.
​The time for "testnets" on home servers is over. Quantum-safe infrastructure requires professional data centers.

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