Everything a private agreement needs.
Turn any deal into evidence a court would recognise.
Secure Digital Signatures
- Both parties confirm with a dedicated one-time code dispatched by Tecalis.
- Double-OTP journey produces a cryptographic, tamper-evident signature.
- The counterparty signs straight from email — no account required.
Legal Custody — 5 Years
- Every signed contract is stored on encrypted Amazon S3 for five full years.
- Retrieve the original PDF any time with a short-lived, signed link.
- Automatic hard-delete the moment the retention window expires.
Email Notifications
- A clear email at every milestone: sent, accepted, paid, signed, archived.
- Both parties stay in sync without ever opening the dashboard.
- All transactional mail is dispatched server-side — never client-triggered.
- Contract sent to counterparty14:12
Julia Laurent has been invited to review …
- Payment confirmed14:24
€6.49 received via Stripe. Contract unlocked.
- Both parties signed14:35
Signed PDF + audit report attached.
Permanent Blockchain Proof
- SHA-256 hash of the signed PDF, timestamped on anchor.
- Standard anchoring included; reinforced anchoring available as an add-on.
- Public verification through a permanent Arweave transaction ID.
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Identity Verification
- ID document capture, selfie match, and liveness check for each party.
- Powered by Tecalis' compliant KYC pipeline.
- Triggered only when you opt in — never forced on low-value deals.
Audit Report
- Complete event log: dispatched, verified, signed, archived.
- Trackable in your dashboard from dispatch to archive.
- Append-only record — the same source of truth a court would ask for.
- Contract dispatched14:28
- Identity verified14:30
- OTP codes issued14:31
- Signatures recorded14:34
- Audit report sealed14:35
A simple journey, engineered carefully.
What you see is a five-step flow. What happens under the hood is payment, KYC, OTP and archival — enforced server-side from end to end.
- 1Payment
Secure card or SEPA processing via Stripe. Nothing starts until the payment clears.
- 2Contract unlocked
The reviewed PDF is locked to its cryptographic hash and ready for the journey.
- 3KYC (if selected)
ID, selfie and liveness check for both parties — skipped entirely when you don't need it.
- 4OTP signatures
Tecalis dispatches one-time codes to each party and records every event via webhook.
- 5Contract + audit
Signed PDF is delivered to both parties; the tamper-evident audit trail is viewable in your dashboard.
Ready to create your first verifiable agreement?
See SACO end-to-end, from draft to audit report, in a 15-minute live walkthrough.