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Exploring settlement workflows
Send, receive, and two-way settlements share the same propose, authorize, and accept mechanics, but differ in who has to authorize and when execution can fire. This explorer walks through the exact sequence for any combination of settlement type, leg scope, and instruction channel.The four switches
- Settlement type: send (one-way), receive (one-way), or two-way. See Atlas for what each workflow means for your organization.
- Leg scope: single-leg or multi-leg, meaning how many asset amounts are bundled into one settlement instruction.
- Instruction channel: API or UI, meaning whether authorize and accept happen directly against the endpoints, or in the web dashboard under your organization’s quorum policy.
- Gas source: gas station or wallet-funded, meaning whether the on-chain gas for a leg is topped up from your organization’s gas station, or paid from the sending wallet’s own balance. USD legs never need gas at all; they settle over Fedwire, not a blockchain.
Reading the diagram
The proposer and acceptor sit on either side of the Atlas settlement network. Wallet chips light up for the asset or assets actually moving in the current step: one chip under single-leg, several under multi-leg. Solid lines are movement of value or an instruction call; dashed lines are polling or verification. The line that animates is the one active in the current step.The network node’s connected-node chain is an illustrative stand-in for settlement state, not a documented enum. Only Executing and Executed are states Atlas actually names. Every earlier label just names the step most recently completed.This walkthrough uses the literal USD wallet alongside two illustrative on-chain stablecoins, USDx_ETH and USDx_SOL (not Anchorage Digital tickers). USD is fee-exempt and needs no gas. It settles over Fedwire, not a blockchain. USDx_ETH and USDx_SOL are on-chain, so each incurs a network fee and draws gas from either the gas station or the sending wallet, depending on the gas source switch: ETH for USDx_ETH, SOL for USDx_SOL.