The background shows a simulated chain of blocks with an occasional simulated halt. It is not live data.
parametric outage cover for base
base stalls.
you get paid.
STALL is parametric cover for Base sequencer halts: when the chain stops for longer than your trigger, a USDC payout executes automatically in the first blocks after restart.
status: contracts not deployed · $STALL not launched
one sequencer. when it stops, everything stops.
Base orders every transaction through a single sequencer. When it halts, nobody can swap, repay, add collateral or withdraw on Base. Prices keep moving on every other venue, and positions are marked against them the moment blocks resume.
stops on base during a halt
swaps · repayments · collateral top-ups · withdrawals
keeps moving elsewhere
prices, funding, liquidations on other venues
base halts on record
source: status.base.org (opens in a new tab)- 43 min15 mincrossed1 hnot crossed3 hnot crossed
- 33 min15 mincrossed1 hnot crossed3 hnot crossed
- about 2 h15 mincrossed1 hcrossed3 hnot crossed
- under 1 h15 min?depends on the exact duration1 hnot crossed3 hnot crossed
three steps. no claim, no committee.
step 01
buy cover
Choose a payout size in USDC, a trigger tier (a halt longer than 15 min, 1 h or 3 h) and a 30-day period. Pay the premium upfront. Your position is live for the whole period.
illustrative premium: 4% of payout for the 1 h tier
step 02
the chain halts
The Chainlink L2 Sequencer Uptime Feed on Base flags the sequencer as down. The halt is timed from the feed’s own records. Tiers are nested: a halt that crosses 1 h has also crossed 15 min.
trigger source: sequencer uptime feed
step 03
restart, payout
When blocks resume, settlement reads the feed, computes the halt duration and pays every triggered position in the first blocks after restart. Nobody files a claim and nobody votes on it.
settlement: permissionless, in the first blocks
for positions that cannot wait for the chain.
- 01
borrowers
Collateral you cannot top up during a halt is still marked to market when blocks resume.
Size cover to the top-up you would have made.
- 02
market makers
Inventory on Base is frozen while hedges on other venues keep trading.
Size cover to the unhedged move you can tolerate.
- 03
perps desks
Margin cannot be added and positions cannot be closed while the chain is down.
Size cover to the margin a long halt would consume.
- 04
fast-bridge LPs
Liquidity fronted to users on Base cannot be settled or rebalanced during a halt.
Size cover to the capital in flight.
play a halt before one happens.
Pick a role, a tier and a halt duration. The simulator plays the timeline block by block and shows premiums, payouts, first loss and the fee split. It runs in your browser; nothing is sent on-chain.
Simulation. Illustrative parameters.
30-day period
trigger tier
payout size (USDC)
- premium, paid upfront
- 400 USDC
- if the halt exceeds 1 h
- 10,000 USDC
- rate per period
- 4%
first loss, in front of the vaults.
$STALL is staked as first-loss capital ahead of underwriters. Stakers earn half of the 10% protocol fee; the other half buys and burns $STALL. Stakers govern tiers, rates and oracle configuration.
capital stack, one tier (not to scale)
payouts hit first loss first, then the vault
status
$STALL is not launched. Supply, allocation and launch date are to be announced. The only official announcement will come from x.com/stallbase (opens in a new tab).
read the mechanism.
- 01OverviewWhat STALL is and how the parts connect.
- 02How cover worksPayout size, tiers, premium and the 30-day period.
- 03Trigger and oracleThe Sequencer Uptime Feed and how a halt is timed.
- 04Settlement after restartWhat happens in the first blocks after restart.
- 05Underwriting vaultsOne vault per tier, fully collateralised.
- 06RisksOracle, contract, capacity and basis risk.
announcements
one official channel.
x.com/stallbase (opens in a new tab)Contract addresses, token details and launch dates will only ever be announced there. Treat anything claiming to be $STALL elsewhere as unofficial.