The SDK is fully modular, import only what you need:
StarkZap
├── Core SDK
│ ├── StarkZap → orchestration
│ └── WalletInterface → unified abstraction
│
├── Signer Backends
│ ├── StarkSigner → private key
│ ├── PrivySigner → social login
│ └── Cartridge → passkey / gaming
│
└── Feature Modules
├── Token, Staking, Bridge
├── Swap, DCA, Lending
└── Confidential, Tx Builder
Web2 devs: think of it like importing Stripe modules. Blockchain fully abstracted.