My research paper describing a privacy-preserving, asynchronous and stateless alternative to normal challenge-response (like the one you did for your bSky vanity username) has been published on ePrint! eprint.iacr.org/2025/2332

DNS-Anchored zk-SNARK Proofs: A Stateless Alternative to ACME Challenge-Response for Domain Control Validation

Domain Control Validation (DCV) is the cornerstone of trust on the web, serving as the prerequisite for issuing TLS certificates and asserting identity. The current industry standard, the Automated Ce...

eprint.iacr.org

I've finally created my Portable Trust system that allows validating your ownership of real world assets (currently domains) completely mathematically and dynamically on the client side, without needing a traditional interaction! ahmizu.stygian.io