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Atrium
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Withdrawal SLA

Atrium is non-custodial. Your USDC sits in Coffer (ERC-4626 vault) as shares. The contracts let you redeem at any time, subject to the circuit-breakers below.

Normal operation

  • • Funds withdrawable within 1 block (≈ 250 ms on Arbitrum Sepolia) when no breaker is active.
  • • No KYC required to withdraw what you deposited.
  • • Maximum 1 transaction; no multi-step claim.

Five circuit-breakers

Each is tagged live or planned below. Three are wired in the deployed contracts today (TVL drop and the governance pause in Coffer, the dual-oracle revert in Plinth); the keeper-rate and simultaneous-liquidation breakers are designed and land as the keeper network matures. Of the live ones, only TVL drop trips automatically; governance pause is Praetor-manual. Praetor governance (48h timelock; admin today is a single founder deployer key, with the 3-of-5 Safe queued) unpauses after the trigger is resolved.

  1. Breaker 1

    live

    Oracle disagreement

    Trigger
    Chainlink and Pyth disagree by more than 50 bps on any active instrument; the Plinth dual-oracle read reverts, so margin-dependent operations cannot proceed
    Recovery
    Until oracles align; typical 5-15 minutes

  2. Breaker 2

    planned

    Keeper failure rate

    Trigger
    More than 10% of liquidation jobs miss the window over 24 hours
    Recovery
    Manual: Praetor investigates and unpauses

  3. Breaker 3

    planned

    Simultaneous active liquidations

    Trigger
    More than 5% of total TVL is in active liquidation jobs
    Recovery
    Auto-resume when active liquidations drop below 2%

  4. Breaker 4

    live

    TVL drop in 1 hour

    Trigger
    Coffer TVL drops more than 30% in 60 minutes (tvl_drop_threshold_bps = 3000)
    Recovery
    Manual: Praetor investigates and unpauses

  5. Breaker 5

    live

    Governance pause

    Trigger
    Praetor multisig manually invokes emergency pause
    Recovery
    Until Praetor explicitly resumes

Pending liquidation

If your account is under-collateralized, Vigil queues a liquidation job. Withdrawals from your account are blocked until the liquidation completes (partial liquidations cap at 10% of position per block; full settlement typically inside 2 minutes on Sepolia).