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Paxos Labs runs two Treasury vaults on Ethereum, each a real_world_asset yield: depositing a supported stablecoin mints a share token whose exchange rate against the vault’s base asset reflects accrued yield.

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Availability

kycRequired is false for both vaults: there is no onboarding flow, and entering does not require a KYC handoff. List Paxos Labs yields enabled for your project with GET /v1/yields filtered by providers=paxos-labs.

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Entering

The enter argument is amount plus an optional inputToken to choose which of the vault’s supported stablecoins to deposit; omitting it deposits the vault’s base token. When the current allowance on the chosen deposit token is insufficient, an APPROVAL step precedes the deposit. The deposit transaction calls the vault’s depositor contract with an _attestation parameter, but yield.xyz always sends an empty attestation on this call. You don’t fetch or supply an attestation yourself; there is nothing to do here beyond signing the deposit transaction yield.xyz returns. Deposits settle atomically: shares are minted in the same transaction.

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Exiting

Exiting does not return the stablecoin directly. The exit argument is amount (or shareAmount, shareAmountRaw, or useMaxAmount) plus an optional outputToken to choose which supported stablecoin the payout is denominated in; omitting it pays out in the vault’s base token. Submitting it calls the withdrawal queue’s submitOrder and creates a queued order rather than withdrawing instantly. An APPROVAL step on the share token precedes the order when its allowance is insufficient.
Each vault enforces a minimum withdrawal order size, read live from the withdrawal queue contract (minimumOrderSize); a smaller request is rejected before a transaction is built. Withdrawal orders sit in a fulfillment cooldown (cooldownPeriod) of 1 day per vault, and there is no separate claim transaction: the chosen stablecoin lands directly in your address once Paxos Labs fulfills the order.

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Position and balances

While holding shares, your address reports an active balance denominated in the vault’s base token, valued by the accountant contract’s live exchange rate; reward claiming is automatic, with no separate reward token or claim step. A withdrawal order in flight reports as an exiting balance until Paxos Labs fulfills it, at which point it drops out of the balance response and the payout stablecoin arrives in your wallet.
Both vaults can also be paused at the protocol level: while paused, status.enter and status.exit are false for that vault.

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Next steps

Asset coverage

Compare Paxos Labs’s Treasury vaults with other tokenized RWA products.

Action lifecycle

Request, sign, and submit enter and exit actions.