# xDapp Architecture

- [xDapp Design]()
  - [Key Considerations]()
  - [Ecosystems]()
    - [EVM]()
    - [Solana]()
    - [Cosmos]()
    - [Algorand]()
  - [Protocol-First Design]()
  - [Topology]()
    - [Hub & Spoke]()
    - [Mesh]()
  - [xAssets]()
  - [Relayers]()
    - [Generic Relayers]()
    - [Protocol-Specific Relayers]()
  - [Security]()
    - [Trust Assumptions]()
    - [Layer 1 Risk]()
    - [Finality Guarantees]()
  - [Examples]()
    - [Cross-Chain Dex]()
    - [Remote Staking]()
  - [Common Use Cases]()