Question 1

Is blue·auth free to use?

Accepted Answer

Yes. blue·auth offers free public tools including PDF anonymization, PDF merge/split/compress, and document verification — no account required. Premium features like e-signatures, e-custody and e-certificates start at €4.75/month.

Question 2

Does blue·auth upload my files to the cloud?

Accepted Answer

No. PDF anonymization and PDF tools process files 100% locally in your browser. Your documents never leave your device. Only the minimum necessary text is sent to the AI engine for sensitive data detection, with zero database persistence.

Question 3

What compliance standards does blue·auth support?

Accepted Answer

blue·auth is compliant with ESIGN Act (US), CCPA (US), eIDAS (EU), GDPR (EU), ICP-Brasil (Brazil) and LGPD (Brazil). The platform supports legally valid digital signatures recognized across all these jurisdictions.

Question 4

How does blockchain proof work in blue·auth?

Accepted Answer

When you authenticate or custody a document, blue·auth generates a SHA-256 cryptographic hash and anchors it on blockchain with an immutable timestamp. Anyone can verify the document's integrity via a public verification portal with QR code — no account needed.

Question 5

Can I use blue·auth with ChatGPT or Claude?

Accepted Answer

Yes. blue·auth has native MCP integrations with ChatGPT, Claude AI, WhatsApp, Cursor and n8n. You can authenticate documents, send for signature, issue certificates and preserve evidence directly from a conversation.