What are the most interesting crypto identity verification projects?

[Steven55]

Identity verification is one of the most promising use cases for blockchain, but I'm curious about actual implementations. What crypto identity verification projects have you encountered that are actually being used? I've seen some interesting work in self-sovereign identity and verifiable credentials, but adoption seems slow. What crypto identity verification projects are gaining traction, and what challenges are they facing? How do these fit into the broader landscape of cryptocurrency use cases 2025?