# QuantumSafe review: real NIST post-quantum crypto, vendor in freefall - Date: 2026-04-06 - Category: Quantum Computing QuantumSafe implements genuine NIST post-quantum cryptography for blockchain — ML-DSA-65 and SLH-DSA-128s are real standards. But Korea Advanced Materials (KOSDAQ: A062970), the company behind it, saw revenue drop 83% in two years and is currently unprofitable. ---