Newsletter Double Opt-In Without a Database Token Table
How to implement HMAC-signed confirmation tokens for double opt-in — no token storage, no cleanup, fully stateless verification.
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How to implement HMAC-signed confirmation tokens for double opt-in — no token storage, no cleanup, fully stateless verification.
Why I chose Cloudflare Workers over traditional serverless for a content pipeline — cold starts, D1, KV, and the $5/month stack.