There is no shortage of complaints about KYC in Web3, with many saying it goes against the spirit of decentralization. But recently, I saw a project experimenting with Self-Sovereign Identity, which is quite an interesting idea—completely separating verification from data.

Speaking of on-chain interactions, what’s the most annoying moment? Worse than a surge in Gas fees is when an obscure DeFi protocol suddenly pops up asking you to upload your passport and take a selfie holding your ID. That moment of fear is hard to describe—handing over your personal information to an unknown project, what if hackers steal the data?

The brilliance of this Self-Sovereign Identity scheme lies here. It doesn’t require you to store copies of your ID on their servers waiting to be leaked. Instead, it generates zero-knowledge proofs locally or through authorized third parties. Then, it directly tells the on-chain contract—"I meet compliance requirements" or "I am of legal age." The contract only receives a mathematical verification result—no access to your household registration, passport, or any real personal info.

For organizations wanting to stay compliant but worried about legal risks, this is a lifesaver. It meets regulatory needs while avoiding pitfalls like GDPR privacy regulations. Users can prove they are compliant citizens without revealing private data—this is how a Web3 identity system should work, much more reliable than the current flood of KYC screenshots.