GK Question

technology hard true_false

Hash-based signatures like SPHINCS+ are considered quantum-resistant but have larger signature sizes.

  1. True
  2. False

Answer: True

SPHINCS+ (NIST PQC standard) uses hash functions believed quantum-resistant. Trade-off: larger signatures (~8-49 KB) vs classical ECDSA (~64 bytes). Critical for bandwidth-constrained applications.

Topic Post-Quantum Cryptography
Exam Relevance Banking, UPSC, SSC