> For the complete documentation index, see [llms.txt](https://arcticdefi.gitbook.io/arctic-defi-whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://arcticdefi.gitbook.io/arctic-defi-whitepaper/arctic-defi-revolutionizing-cross-subnet-defi-infrastructure/the-arctic-solution/how-transactions-work.md).

# How Transactions Work

{% @mermaid/diagram content="sequenceDiagram
participant User as "👤 User"
participant Router as "🔄 Arctic Router"
participant Pools as "💧 Quantum Pools"
participant Vault as "🔒 Frost Vault"

```
rect rgb(139, 0, 0, 0.2)
User->>Router: Request Trade
end

rect rgb(43, 24, 24, 0.2)
Router->>Pools: Find Best Price
Pools-->>Router: Return Price Options
end

rect rgb(216, 208, 208, 0.2)
Router->>Vault: Security Check
Vault-->>Router: Approve Transaction
end

rect rgb(232, 224, 224, 0.2)
Router->>Pools: Execute Trade
Pools-->>User: Receive Assets
end

Note over User,Pools: Entire process takes seconds
Note over Vault: Security checks happen automatically" %}
```