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Overview

Rialto routes each order to the best available execution across its supported liquidity sources. Quoting, routing, and settlement all occur onchain in a single transaction.

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Execution lifecycle

  1. Quote: Rialto requests a live price for the exact order size from every candidate source, including propAMMs and conventional DEX pools.
  2. Rank: Quotes are compared by output net of network costs.
  3. Settle: The selected route executes onchain atomically. The order either fills in full at the agreed terms or reverts.

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Onchain quoting

Sources are quoted at request time against live onchain state, not cached prices. Each source is sampled for the specific order, so the comparison reflects executable terms. A single order may be split across multiple sources when doing so improves the net result.

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Pricing and quote validity

propAMM sources refresh their quotes continuously from their own reference prices, so routing reflects current market conditions. Quotes are therefore short-lived and represent executable terms only for a brief window, after which an order must be requoted.

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Rialto as a liquidity source

Rialto also operates its own propAMM, Rivo Altus, which competes as one of the sources quoted on each order. Rivo Altus quotes Stock Tokens and crypto. Like any other source, it only wins a route when it returns the best execution for that order.