# API Reference

| Module | Description |
| --- | --- |
| **Crypto** | |
| [Ed25519](/node/crypto/Ed25519) | Ox's Ed25519 API and its supported Node.js engine primitives. |
| [Engine](/node/crypto/Engine) | Node.js implementations of Ox's supported cryptographic primitives, backed by `node:crypto`. |
| [Hash](/node/crypto/Hash) | Ox's hash API and its supported Node.js engine primitives. |
| [Keystore](/node/crypto/Keystore) | Ox's keystore API and its supported Node.js engine primitives. |
| [Mnemonic](/node/crypto/Mnemonic) | Ox's mnemonic API and its Node.js BIP-39 seed engine primitive. |
| [P256](/node/crypto/P256) | Ox's P256 API and its Node.js public-key derivation engine primitive. |
| [X25519](/node/crypto/X25519) | Ox's X25519 API and its supported Node.js engine primitives. |