# HOW IT'S BUILT

- [Underlying Modules](https://docs.zk.me/hub/how-built/modules.md)
- [Identity Infrastructure Stack](https://docs.zk.me/hub/how-built/id-infra.md)
- [zkMe Identity Chain](https://docs.zk.me/hub/how-built/id-infra/zkme-identity-chain.md)
- [zkMe Self-Sovereign Identity](https://docs.zk.me/hub/how-built/id-infra/ssi.md): zkMe Self-Sovereign Identity empowers users with full control over their credentials, blending privacy, security, and decentralization to transform how identity verification is performed.
- [zkMe DID Method](https://docs.zk.me/hub/how-built/id-infra/did-method.md)
- [Faceprint DID Creation](https://docs.zk.me/hub/how-built/id-infra/did-method/did-creation.md)
- [zkMe zkVault](https://docs.zk.me/hub/how-built/id-infra/zkvault.md): This section explains the zkMe data recovery procedure enabled by the zkMe Data Vault required to fulfill regulatory data storage and retention requirements in all major jurisdictions.
- [zkMe FHE](https://docs.zk.me/hub/how-built/id-infra/fhe.md): A DID scheme based on homomorphic encryption of face features
- [zkMe zkPassport](https://docs.zk.me/hub/how-built/id-infra/zkpassport.md)
- [Supported Countries](https://docs.zk.me/hub/how-built/id-infra/zkpassport/supported-countries.md)
- [zkMe zkTLS](https://docs.zk.me/hub/how-built/id-infra/zktls.md)
- [zkMe Smart Contracts](https://docs.zk.me/hub/how-built/id-infra/smart-contracts.md)
- [Credential System Stack](https://docs.zk.me/hub/how-built/credential-sys.md)
- [Core Concepts](https://docs.zk.me/hub/how-built/credential-sys/core-concepts.md)
- [Selective Disclosure](https://docs.zk.me/hub/how-built/credential-sys/selective-disclosure.md): Selective Disclosure enables fine-grained privacy control, allowing Holders to reveal specific credential field values rather than just boolean results.
- [Multi-Credential Proofs & Delegation](https://docs.zk.me/hub/how-built/credential-sys/multi-proofs.md)
- [Anti-Sybil Mechanisms](https://docs.zk.me/hub/how-built/credential-sys/anti-sybil-mech.md)
- [Reusable Credentials](https://docs.zk.me/hub/how-built/credential-sys/reusable-credentials.md)
- [Agent-Ready Credentials](https://docs.zk.me/hub/how-built/credential-sys/agent-ready-credentials.md)
- [Agent Trust Gateway Stack](https://docs.zk.me/hub/how-built/agent-trust-gateway.md)
- [Agent Session Flow](https://docs.zk.me/hub/how-built/agent-trust-gateway/agent-session-flow.md)
- [Supported Protocols](https://docs.zk.me/hub/how-built/agent-trust-gateway/supported-protocols.md)


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