Here is one way: https://eprint.iacr.org/2024/2010 https://eprint.iacr.org/2024/2010 Our (Google) implementation: https://github.com/google/longfellow-zk https

Here is one way: https://eprint.iacr.org/2024/2010 https://eprint.iacr.org/2024/2010 Our (Google) implementation: https://github.com/google/longfellow-zk https://github.com/google/longfellow-zk An independent implementation by the Internet Security Research Group: https://github.com/abetterinternet/zk-cred-longfellow https://github.com/abetterinternet/zk-cred-longfellow Still being developed but already interoperable with ours. European age verification app: https://ageverification.dev/av-doc-technical-specification/docs/architecture-and-technical-specifications/#71-zero-knowledge-proofs https://ageverification.dev/av-doc-technical-specification/d...