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shoalopen scanner

know what your collateral is actually worth if you had to sell it.

shoal publishes how much of a token can really be sold, and caps borrowing to that number.

a robot on a jetty lowering a sounding line to measure how much of a token is sellable before a lending market will lend against it

last week of august 2026

three protocols, one week, same attack.

pump a token nobody trades. post it as collateral at the inflated price. borrow real assets. leave. the protocol never asked how much of that token could actually be sold.

a token price pumped on a thin pool, posted as collateral, and borrowed against before anyone checks how much of it could be sold
  • tectonic

    aug 30

    ~$75m

    TONIC pumped ~100x in 20 minutes, borrowed against it. cronos halted the chain.

  • moonwell

    aug 27

    $8.7m

    illiquid MAMO manipulated and used as collateral on base.

  • morpho

    aug 25

    $36.4m liquidated

    a $320k trade in a thin pendle pool moved PT-reUSD 3%. $67.5m of collateral sat behind a $9m pool.

aave pays risk firms to watch for it. the other couple hundred lending markets have nothing.

how it works

two numbers, one plug-in.

  1. 01

    depth oracle

    how much usd you could sell right now within a slippage band. dex side from uniswap pools via the graph, cex side inside a chainlink confidential workflow.

  2. 02

    cap steward

    a contract a lending market enrolls with one call. it clamps borrow caps to a fraction of executable liquidity and drops them to zero when a pump starts.

  3. 03

    scanner

    every market we can index, ranked by how much is lent vs how much could actually be sold. with a time machine.

  4. 04

    api

    the depth numbers behind an x402 gateway. any agent can pay per query.

depth oracle feeding the cap steward, the scanner, and a pay-per-query api

demo

same attack. two markets. one survives.

two identical compound-fork markets, one pump. the plain one gets drained. the one running shoal reverts with BorrowCapExceeded.

honest limits

what it doesn’t do.

it won’t save a market from a flash crash or from bad debt caused by honest volatility. it stops one attack, the one that keeps working, for everyone gauntlet and chaos labs don’t cover.

FAQ

questions, answered.

no. a price feed tells you what one token trades at. shoal tells you how much of it you could actually sell.