Tagged: #rfc-7519

Tutorials, deep-dives, and privacy-first thinking about developer tools.

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technical May 18, 2026 · 10 min

Inside a JWT: A Field-by-Field Guide to Standard Claims (2026)

Every JWT carries the same standard claims — iss, sub, aud, exp, iat, nbf, jti. Here's what each one means, RFC 7519 references, and the bugs they cause.