Economics of day-1 integration for quantum-resistant signatures

Confidence: Likely Updated 2026-05-26 Review by 2026-09-22 Sources 3 Machine-translated Original (JA)

#systems#blockchain#post-quantum#cryptography#FIPS-205

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This entry sits under systems index. Read it against Threshold BFT consensus Rust implementation trend for peer / contrast context and fintech index for the broader system / regulatory boundary.

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Sources

NIST FIPS 205: Stateless Hash-Based Digital Signature Standard (SLH-DSA) — https://csrc.nist.gov/pubs/fips/205/final
Circle, “Preparing Blockchains for Q-Day” (mentions Arc day-1 quantum resistance / SLH-DSA-SHA2-128s) — https://www.circle.com/blog/preparing-blockchains-for-q-day
Arc official site (Circle institutional-grade L1) — https://www.arc.io/