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docs reference

FAQ

Short answers to common questions.

Short answers to common questions. Each answer links to the page with the detail.

Is STALL live?

No. STALL contracts are not deployed, $STALL is not launched and no audit has been published. Cover cannot be bought, and there is nothing to deposit into or stake today. These docs describe the intended design, and every parameter in them is illustrative.

Is STALL cover insurance?

No. STALL cover is a parametric smart-contract product, not an insurance policy. It pays a fixed payout size when the Sequencer Uptime Feed shows a halt longer than the threshold of the cover's trigger tier. It does not assess or compensate actual losses, and cover buyers should not expect the protections that apply to regulated insurance. See basis risk.

Do I need to file a claim?

No. There is no claim form, no voting and no committee. After the restart, settlement reads the feed, computes the halt duration and pays every triggered cover position directly to the cover buyer's address. Settlement is designed to be permissionless: any address can call it, and the cover buyer does not have to. See Settlement.

When is a payout made?

In the first blocks after the chain restarts, not during the halt. Nothing executes on Base while it is halted, including STALL. If many positions are triggered, payouts are processed in batches over the first blocks after the restart. See sequence at restart.

What if the halt lasts 59 min and I hold 1 h cover?

Your 1 h position does not pay. A tier is triggered only when the halt duration, as measured by the feed, exceeds its threshold. The same halt would trigger 15 min cover. Your 1 h position stays active for the rest of its cover period and can still be triggered by a later halt longer than 1 h. See short halts that never reach a tier.

Can I buy cover on several tiers?

Yes. Each cover position covers one tier, and a cover buyer can hold positions in more than one, each with its own premium and payout size. Because tiers are nested, a long halt can trigger several of them at once: 10,000 USDC of 15 min cover plus 10,000 USDC of 1 h cover would pay 20,000 USDC after a 2 h halt. See holding several tiers.

What happens if two halts occur in one cover period?

Each cover position pays at most once. A position paid after the first halt is closed and does not pay again. A position the first halt did not trigger stays active and can be triggered by the second. See second halt in the same period.

Is the premium refunded if no halt occurs?

No. If no qualifying halt begins during the cover period, the position expires and the premium is not refunded. It has already been allocated: 90% to the tier's vault, 5% to $STALL stakers and 5% to buy and burn. See Fees.

What can underwriters and stakers lose?

Most or all of their capital in a single halt. Every cover position in a tier triggers at once. First-loss capital absorbs payouts first, up to its full amount, and the tier's vault pays the rest. In example D, underwriters lose 881,200 USDC net on 1,000,000 USDC deposited, and stakers lose 93,400 USDC net on 100,000 USDC of first-loss capital.

Who decides tiers, rates and fees?

$STALL stakers govern tiers, rates and oracle configuration, and the protocol fee and its split are subject to governance. Until launch, all figures in these docs are illustrative. See governance.

Is there a $STALL token address?

No. $STALL is not launched, and there is no contract address, no price and no way to buy it. Supply, allocation and launch date are to be announced. Treat any token, address or sale presented as $STALL before an official announcement as unofficial.

Where are official announcements made?

Only at x.com/stallbase (opens in a new tab). There is no other official channel.

No. STALL is an independent project. It covers halts of the Base sequencer and reads the Chainlink L2 Sequencer Uptime Feed, but it is not affiliated with, or endorsed by, Base, Coinbase or Chainlink.

What does the simulator assume?

The simulator models one tier over one 30-day cover period with at most one halt, whose measured duration is the one you enter. It uses the illustrative rates (12%, 4% and 1%), a 10% protocol fee split equally between stakers and buy and burn, and the loss waterfall: first-loss capital first, then the vault. Capacity is vault assets plus first-loss capital, and cover above capacity is not sold. First-loss capital is entered as a USDC value, because the valuation method for staked $STALL has not been finalised. The simulator does not interact with any STALL contract, because none are deployed. See Worked examples.