> For the complete documentation index, see [llms.txt](https://vitalys.gitbook.io/vitalys/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vitalys.gitbook.io/vitalys/technology-stack/blockchain-integration.md).

# Blockchain Integration

* **Chain**: Ethereum L2 (Base) – selected for speed, low gas, and scalability
* **Wallet Connectivity**: WalletConnect, RainbowKit, and Coinbase Wallet SDK
* **Token**: ERC-20 VTL Token (Vitalys Token) with custom reward mechanics
* **Reward Tracking**: Off-chain point system (Spoints) synced with on-chain VTL reward triggers