Security & trust

Legally valid and technically reliable

A state-certified crypto core, DSTU compliance, event audit and encryption — all built in Ukraine.

DSSZZI
State-certified crypto core
Positive conclusion of Ukraine's DSSZZI
DSTU 4145
National QES standard
Qualified electronic signature
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Ukrainian jurisdiction
Development and data — in Ukraine

Core principle

Your key never leaves your device

The signature is formed right in your browser. Your private key and password are processed locally and never sent to the server — no plugins, extensions or installs.

1Key and password — locally in the browser
2Signature is formed on your device
Only the finished signature goes to the server
DSSZZI

State-certified crypto core

The crypto core is state-certified (a positive conclusion from Ukraine's State Service of Special Communications) and runs right in your browser.

State certificationSigning in the browserKey on the device
DSTU 4145

Qualified-signature standard

A legally valid QES accepted by government bodies and counterparties; support for international algorithms.

ECDSA · RSACAdES-BES / CAdES-TMulti-signature (co-signing)
client-side

The key stays on your device

The signature is formed locally — the private key and password are never sent to the server.

Local processingKeys .dat / .jks / .pfx / .p12No plugins
audit

Signature audit & validation

A history of all document events and full signature verification — certificate chain, OCSP/CRL and timestamps.

Document event historyOCSP / CRLTimestamps (TSP)
TOTP · AES

2FA & encryption

Two-factor account authentication and encryption of sensitive data at rest.

2FA (TOTP)Data encryptionAccess control
roadmap

European track — planned

We plan eIDAS 2.0 / EUDI compatibility for cross-border exchange of legally valid documents.

eIDAS 2.0EUDI walletCross-border exchange

Your data under control

Where documents are stored, how they're protected, and why you can always take them with you.

Data in Ukraine

Servers and data are hosted within Ukrainian jurisdiction — protected by national law.

Backups

Regular backups on a managed database — your documents won't disappear.

Your archive is yours

Export documents and signatures any time. Data isn't “locked in” — you're in control.

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Ukrainian development and jurisdiction

eObig is built in Ukraine. Data and cryptography meet national standards, and the product evolves with Ukrainian requirements and the European eIDAS 2.0 track in mind.

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