From the blog post:
In short…
Zero-knowledge proofs offer an important step toward privacy-preserving digital identity and age verification, but they are far from a silver bullet. As our analysis shows, current proposals face persistent limitations: fragility of cryptographic definitions and implementations, insufficient privacy guarantees in practice, risks of exclusion and centralization in credential frameworks, semantic ambiguities in parsing, and unresolved challenges of interoperability, revocation, and usability.
These limitations underscore that ZKPs cannot simply be “dropped in” to solve the socio-technical problems of online trust and access control. Instead, they must be embedded in broader architectures that explicitly safeguard user autonomy, minimize central points of control, and account for the lived realities of exclusion, censorship, and profiling. Achieving this will require not only advances in cryptographic research, but also careful systems design, inclusive policy frameworks, and transparent user interfaces.
In short, ZKPs should be seen not as a complete solution, but as one component within a larger ecosystem of privacy-preserving technologies. Only when combined with rigorous verification, accountable governance, and meaningful user control can they deliver on their promise to strengthen trust online without sacrificing the openness of the web.