Blockchain-verified letters
Trust, transparency, and immutability for corporate correspondence
Why QleanChain
Blockchain-backed corporate letters for trust, verification, and control.
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Immutable Records
Letters anchored on-chain for tamper-proof verification.
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Corporate governance
Your organization controls issuance, templates, and audit trails.
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Instant verification
Verifiers can confirm authenticity in seconds.
Verifier registration
Organizations that need to verify employment letters on-chain can create a free verifier account. Verify your email, then sign in to use verification tools from your dashboard.
Register as a verifierYou will complete a short form and confirm your email with a one-time code.