Guide
What are digital credentials?
The Cylinder Team
Digital identity & verification
Digital credentials are changing how businesses confirm identity, licences, and eligibility. This guide explains what they are, who stands behind them, and how a business can verify one in seconds — without collecting or manually checking documents.
What a digital credential is
A digital credential is a tamper-evident, cryptographically signed statement about a person — that they hold a licence, a qualification, are over a certain age, or are entitled to a benefit. It is issued by an authority the business already trusts, and it is held by the person it describes rather than sitting in a central database the business has to query.
Because each credential is signed, any change to its contents breaks the signature. A verifier can therefore confirm two things at once: that the credential genuinely came from the stated issuer, and that nobody has altered it since.
Who issues them
Issuers are the source of trust. Governments issue identity and age credentials; regulators issue licences; education providers issue qualifications; professional bodies issue registrations. When a business verifies a credential, it is ultimately relying on that issuer's authority — not on a screenshot or a PDF that could have been edited.
How wallets hold and present them
The person keeps their credentials in a digital wallet on their phone. When a business asks for proof, the wallet lets them present just the credential requested — and often just the single fact required. This is called selective disclosure: proving you are over 18 without revealing your date of birth, or proving a licence is current without exposing every other detail on it.
How a business verifies a claim
The business requests a specific credential, the person presents it from their wallet, and the signature and status are checked against the issuer. The result is a clear answer — valid or not — returned in seconds. There is no document to read, store, or interpret.
Why this beats documents and screenshots
Uploaded PDFs, scans, and screenshots are slow to review, easy to alter, and awkward to audit. Recognised digital credentials replace that manual work with a trustworthy, repeatable check — and leave a clean record of what was confirmed and when.
Where Cylinder fits
Cylinder is the business layer over this infrastructure. It turns credential verification into a branded flow you can publish anywhere, an operational dashboard, and an audit trail — without asking your team to build wallet integrations or cryptography themselves.
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