Sign agreements, verify identities, and collect payments — in one place
E-signature platform with built-in KYC and payments. eIDAS-compliant. Blockchain audit trail on every signature.
Three products elsewhere. One flow here
Signing, identity checks and payment run as one connected sequence — every event ties back to the same agreement, sealed on the same ledger.
E-signature, court-grade
eIDAS- and ESIGN-compliant e-signatures. Every signed document is sealed with a SHA-256 hash on the blockchain — impossible to forge.
- Templates, fields, roles & deadlines
- Multi-party signing scenarios
- Full audit log on every action
KYC before the signature
Built-in identity verification, enabled per signing request — so only verified participants can access the document.
- End-to-end document encryption
- KYC proof attached to the signed PDF
- Only verified parties gain access
Payments that trigger
Contract signed, payment fires automatically. Powered by Stripe, with a blockchain audit trail.
- Invoice issued on signing
- Instant payouts, flexible options
- Just 1% processing fee
See it work, end to end
Each step below is a real screen from the app. See how signing, KYC and payment connect on one shared record.
From PDF to signed in 90 seconds
Upload a contract, drop in fields, and send it. Skip the template setup and the onboarding call.
- Drag-and-drop fieldsAdd signature, date, initials, text, and checkbox fields wherever they belong.
- Sequential or parallelSet the signing order, send reminders, and loop legal in without leaving the document.
- Reusable templatesVersion and revoke them instead of copy-pasting a new PDF each time.
Know who signed, before they sign
Turn on KYC checks for any signing request. The signer verifies ID and face, then the result gets stapled to the signed PDF.
- ID + biometric in flowLiveness check and OCR confirm a real ID in under a minute.
- Sanctions & PEP screeningSanctions and PEP checks run automatically, so risky signers get flagged early.
- Attached to the PDFThe verification record stays attached to the document for good.
The signature is the invoice
Tie payment to the contract, and the invoice goes out the moment it's signed. Nobody has to chase net-30 payments or reconcile invoices by hand.
- Issued on signingSigning itself creates and sends the invoice, without a manual step in between.
- Milestones, not lump sumsSplit a deal into stages and charge each one as it's signed off.
- Receipts you can trustHash + Stripe ID on every transfer. Just 1% fee.
Built for teams that handle real contracts
Not a generic e-signature widget. A platform that handles the whole loop.
Tamper-proof signatures
Every signature gets a SHA-256 hash on the blockchain. Anyone can verify — including courts.
Pay per signature. No seats
No annual contracts. No per-user fees. You pay for what you sign.
From draft to signed in 90 seconds
Upload, send, get a tamper-proof PDF back. No setup calls, no onboarding.
Granular roles. No IT ticket
Set access, assign roles, change permissions — all from the dashboard.
Every signature, provably yours
Chaindoc anchors each agreement to a blockchain audit trail — tamper-evident proof of who signed what, and when. E-signature, KYC and payments in one flow.
Switching from another tool?
See how Chaindoc stacks up — and what you'd save.
Most teams switch in under an hour
No data loss, no downtime. Export your existing templates, upload to Chaindoc, and go live — KYC, payments, and blockchain audit included from day one.
Sign in 90 seconds
Four steps. No setup call required.
Drop in a PDF
Upload an existing contract or pick a template. Drag signature fields where they go.
Add signers
Type emails, assign roles, set the signing order. Add KYC requirements if you need verified identity.
Send
Signers get an email. They sign on web or mobile. You get notified at each step.
Done — and tamper-proof
The signed PDF lands in your dashboard. Hash on blockchain. Audit trail exportable as PDF.
Sign and get paid in one flow
Contract signed? Payment triggers. No separate invoice, no chasing. Status lives next to the contract.
eIDAS. ISO 27001. ISO 9001. CSA STAR
Independently certified. Each signature gets a blockchain audit trail — verifiable by anyone, including courts.
Sign your first document — right here
Drop a PDF. We'll prepare a signing flow in seconds. No signup required to try.
- No account needed for this preview
- Tamper-proof hash anchored on chain
- You stay the owner of the document
Upload Your Document
Working in regulated industries?
Real estate, healthcare, insurance, IT services — Chaindoc fits the compliance stack.
Questions teams ask before switching to Chaindoc
If you're moving from DocuSign, PandaDoc, or another e-signature tool — these answer the common ones.
Latest Articles
Practical notes on contracts, signatures, KYC, and the workflows around them. No fluff.