Ory is the largest open source community in the world for cloud software application security. We maintain advanced open source security software solving authentication, authorization, access control, application network security, and delegation. Ory implements a variety of industry and best-practice standards including OAuth 2.0 / OAuth 2.1, OpenID Connect, Zero Trust Networking, Google Zanzibar Policy Framework, FIDO2 U2F, WebAuthn, TOTP, and more.

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Quick question about the format of Hydra tokens - would we ever expect to find a colon (`:`) in a token? I'm asking because my organization believes we have a need to cache tokens in a key-value store, and we'd like to use colons as delimiters.

Tokens are basically base64 encoded (no matter which type of token it is), so you can expect it to not contain colon character, since base64 is [A-Za-z0-9+/=]