Security & data residency
Your bid never leaves the EU.
Confidential pricing is the most sensitive thing you’ll put in Steinlog — so the whole system is EU-pinned, and built to keep your data yours.
EU-pinned
Database · file storage · real-time · logs · AI inference
Never on your data
AI scoped to a single bid; EU-resident inference
Row-level security
Competing bidders hard-isolated · graded, opt-in inside a consortium
Hash-chained · attributed
Append-only; sealed with a qualified timestamp at submission
eIDAS AdES / QES
Tier computed per notice, never defaulted
ISO 27001 — on track
DPA + subprocessor list before any real bid data
Honest posture: the log is tamper-evident, not tamper-proof — the legally-probative claim attaches to the timestamped, signed package. A full DPA and subprocessor list will be published before any real bid data is processed.