PROTOCOL2026-06-24
Why SHA-256 for file provenance
Hash functions are the foundation of digital integrity. We chose SHA-256 for its collision resistance, widespread adoption, and compact output.
Blog
Notes on provenance
Technical writing on cryptographic integrity, receipt chains, and building trustless systems.
ENGINEERING2026-06-20
Building an immutable receipt chain
How Krusade chains receipts together — each record referencing its predecessor, forming a tamper-evident ledger without blockchain overhead.
DESIGN2026-06-15
Dot-matrix as visual signature
Why we use dot-matrix patterns across Krusade. A nod to thermal printers, receipt culture, and the compact nature of cryptographic proof.
ANNOUNCEMENT2026-06-10
Krusade is live
The cryptographic provenance platform is now public. Hash, sign, anchor, and verify — with receipts anyone can check.