Healthcare data was siloed and inaccessible. On-chain finance has Hippo Protocol. @Hippo_Protocol is a Layer-1 blockchain built for healthcare. It gives patients control of their data using ZK proofs, DIDs, and encryption, compliant with HL7/FHIR standards. Patient-centric data ownership & privacy • ZK proofs, DIDs & encryption • HL7/FHIR-compatible & chain-abstracted • 4M+ users & 1.4M annual renewals ✅ Verified on 👉