Blog

Notes and research from the Applied PQC project.

• The construction of SHRINCS, a semi-stateful hash-based signature scheme

  SHRINCS demotes SLH-DSA to a fallback path and puts a 548-byte stateful signature on the primary one. What the draft reuses from FIPS 205, what it only reparameterises, what it constructs anew, and what it gives up.

  Post2026-08-28

• Post-quantum migration for Bitcoin layer 2s

  A Bitcoin layer 2 settles to a base layer it cannot change, borrows consensus from a third ecosystem, and runs a bridge whose trust root is cryptography of its own choosing. Where the post-quantum exposure actually sits, and who can fix each part.

  Post2026-07-31

Nothing matches that.