Arcadia Markets

Arcadia organizes intent settlement into markets - logically-partitioned venues for intent publication and solving. Each market pairs an on-chain IntentBook that escrows assets and finalizes settlement, with an optional off-chain operator that handles privacy, ordering, or MEV-aware batching. An intent may be submitted directly to the contract or through the operator’s off-chain APIs.

_{1. On-chain vs Off-chain Trade-offs}

Markets that prize neutrality and censorship-resistance often operate entirely on-chain. Publishers sign an intent, push it to the IntentBook, and rely on open solver networks for solution discovery, no single actor controls ordering or extracts rent.

Markets that demand sophisticated privacy or MEV management, such as large-notional block trades or sealed-bid auctions can delegate ordering and bundle construction to an off-chain operator. The operator receives signed intents, assembles a batch and settle to the IntentBook. Because the settlement rules remain on-chain, the operator can neither steal funds nor settle in ways that violate the declared predicates.

_{2. Specialization and Clearance Rules}

A market’s specialization is defined by two axes:

1. Supported intent types — spot swaps, fixed-rate lending, cross-chain bridging, oracle updates, or any other developer-defined extension that implements the Arcadia intent grammar.

2. Clearance rules — the programmable rules that determine how intents are batched to settle and in what order.

Developers extend Arcadia’s base model with richer invariants by deploying custom extensions, existing solvers can immediately opt-in if they recognize the new predicate.

_{3. Deployment and Composability}

Markets may be deployed on any blockchain, and multiple markets can coexist on a single chain. There are two ways markets can compose:

• Synchronous (same-chain) — a transaction can atomically settle fills across several markets on the same chain, enabling, for instance, a spot swap in one venue that immediately collateralizes a lending intent in another.

• Asynchronous (cross-chain) — an intent locked in Market A on Chain X can be re-published to Market B on Chain Y once a proof has propagated through the Trust Layer, letting liquidity migrate without relinquishing the original invariant guarantees.