Port Vellum becomes the first fictional city to issue resident credentials as verifiable credentials on a public ledger

The fictional coastal city of Port Vellum began issuing digital resident credentials to 5,000 pilot participants this week. Each resident receives a Verifiable credential signed by the city and stored in a wallet of their choice. Public services check the credential’s signature and revocation status against a registry anchored on a public ledger, but no personal data is written to the chain.

What residents can do with it

• Borrow from the library and ride transit at resident rates.
• Apply for parking and building permits without re-entering their address.
• Prove residency to a landlord or employer with a selective disclosure that reveals only the fact of residency.

Why a public ledger at all

The city’s technology office said the ledger does one job: it holds the city’s Decentralized identifier and the hash of its revocation list, so any verifier can check a credential without calling a city server. Everything else lives in the resident’s wallet.

The concerns

Privacy advocates quoted in this demo asked how the city would prevent verifiers from correlating presentations across services. The pilot answers with per-verifier pseudonymous identifiers and a policy that bans retention of presentations. A civil-society audit is due in six months.

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“If this works, the chain is boring and the wallet is everything. That is the point,” the project lead told Blockverse.

Follow our Identity coverage for the audit results. For how wallets are handling credentials in practice, see A fictional usability study watched 60 people use Web3 wallets. Most failed the first task.

Demo content This illustrative article was created by the CN Media Demo Studio ("Blockverse" demo). Names, figures, projects and events are fictional and are not reporting, market data or investment advice.