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Introduction

Silvana Book is a private order book designed for high-performance trading on Canton, combining ultra-fast off-chain order matching with secure, atomic on-chain settlement. It enables market participants to trade with full asset control, strong privacy guarantees, and deterministic execution, without exposing orders or strategies to the public network.

Basic Principles and Advantages

Privacy by Default

Order matching runs in a private environment. Trading activity, balances, and strategies are not visible to the public, preventing information leakage and external interference. This is particularly critical for enterprises and corporate traders seeking to keep their operations confidential to avoid frontrunning, unwanted market fluctuations, third-party arbitrage, or MEV-seeking attempts.

Ultimate Security

By leveraging Canton’s DvP execution flow, Silvana Book ensures secure trading. Both parties execute their respective parts of the transaction, and assets are transferred only when all conditions are met. Otherwise, the transaction rolls back, and the parties retain control of their assets.
If any party fails to fulfil its contractual obligations, the transaction is not finalized and is rolled back.

Full Asset Control

No assets are escrowed during matching. If any party fails to meet settlement conditions, the transaction is rolled back, and balances remain unchanged, ensuring non-custodial safety Silvana Book.
Assets never leave a party’s wallet, which effectively means parties retain directcontrol of their assets until a transaction is finalized.

Easy and Secure Key Handling

Private keys are divided by the MPC algorithm. Each time a transaction runs, parts of the private key are automatically generated on each party’s side. Each party knows only its part of the key. Those are handled later in the DvP flow, without parties handling them directly.
Lay back. Focus on trading. And let the agents do the rest.

Ultra-Fast Agentic Execution

Bid and ask orders are matched off-chain using an optimistic state, allowing near-instant execution ( < 1s), while final settlement is confirmed later on the Canton Silvana Book. All operations are carried out by autonomous off-chain agents that automate the orderflow.
Lay back. Hang loose. And focus on trading. Our agents will do the rest.

No Slippage

Orders are settled at the intended price. Since matching is private and isolated from public order flow, there is no market impact or external price pressure, Silvana Book.

No Pools

DvP handles swaps and other operations without pools that rules out serious threats and vulnerabilities associated with pool trading, such as loss of custody or control over assets, price manipulation, MEV exploitation, liquidity and market risks, etc.

Solution and Design

The system separates execution from settlement:
  • Order matching happens off-chain inside a private matching engine.
  • **Bids and asks are matched off-chain via agents. **Upon matching, an optimistic state is generated.
  • Settlement follows up on-chain on Canton, using a Delivery-versus-Payment (DVP) flow, according to which assets are swapped simultaneously when both parties create their token allocations.
Orderbook This design achieves sub-second optimistic execution latency while preserving on-chain security and finality.