# I. The Settlement Layer

**The Global Trust Anchor.** PayVia is anchored on Ethereum to leverage the world’s most secure and liquid blockchain. This ensures maximum capital efficiency and composability with the broader DeFi ecosystem (Curve, Aave, Uniswap).

* **Finality:** Inherits Ethereum’s security guarantees.
* **Scalability Strategy:** Future-proofed via Layer 2 rollups (Optimism/Arbitrum) for high-frequency transaction batches.


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