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© 2026 OpeniBank. Apache 2.0 License.

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Preview release: market data is live; execution, balances, and vault yields are simulated. Nothing on this site is an offer of banking, custody, or investment services, or financial advice. Digital assets are volatile — trade responsibly.

Docs/DEX/CEX Trading/CEX/DEX Node Topology

CEX/DEX Node Topology

Production

Execution paths are split by venue type but unified by a common routing and audit model.

Objective

Expose one coherent execution architecture where local orderbook, DEX routing, and CEX adapters can be reasoned about consistently.

System Context

DEX/CEX Trading

Execution fabric across local matching, exchange connectors, and hosted trade nodes

View full system documentation

Node Roles

Trading Node handles market interfaces, order lifecycle, and terminal UX. Gateway Node handles cross-node API ingress and routing.

Settlement and Clearing nodes can be attached for post-trade netting and cross-entity reconciliation.

CEX Connector Plane

Network mode supports exchange API-key integration with restricted scopes (read + trade, no withdraw).

Connector outputs are normalized into a unified portfolio and execution context for route comparison and best-execution policies.

DEX Execution Plane

DEX routing evaluates pools and routes with explicit slippage and gas constraints before execution confirmation.

Receipts preserve execution intent, selected route, and resulting settlement references.

Interfaces

Trading API

Ticker, orderbook, trades, order placement, cancel/replace

Connector API

Exchange onboarding, permission check, connectivity status

Production Checkpoints

  • ✓Venue routing policy is explicit and auditable
  • ✓Connector keys are encrypted at rest
  • ✓Portfolio view merges CEX + local positions consistently
  • ✓All fills and cancellations produce traceable receipts

Continue exploring

DEX/CEX Trading

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