---
id: 8482
title: "Post-Quantum Signatures, Part 3: Inside FIPS 205 Through Quranium’s SLH-DSA Adoption"
source_domain: certik.com
source_url: "https://www.certik.com/blog/post-quantum-signatures-part-3-inside-fips-205-through-quraniums-slh-dsa-adoption"
published_at: "2026-08-04T14:00:00Z"
tags: ["web3", "post-quantum", "slh-dsa", "signatures", "layer-1", "quantum", "technical-analysis", "fips-205", "fors", "hypertree", "sphincs-plus", "quranium"]
phying_url: "https://phying.com/item/8482"
lang: en
---

# Post-Quantum Signatures, Part 3: Inside FIPS 205 Through Quranium’s SLH-DSA Adoption

## Summary

Part 3 of the post-quantum series walks through FIPS 205: how SLH-DSA signs with FORS few-time signatures, authenticates them up a hypertree, and the concrete algorithm implementations must follow.

## Intelligence Metadata

- **Sources:** certik.com
- **Published:** 2026-08-04T14:00:00Z
- **Original:** https://www.certik.com/blog/post-quantum-signatures-part-3-inside-fips-205-through-quraniums-slh-dsa-adoption
- **Phying News:** https://phying.com/item/8482