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Free · No call required
Send a contract address. Get five invariants back.
We read the contract, work out what should always be true of it, and send you five invariants worth monitoring, plus one thing your current setup would miss. No charge, no call, and no obligation to continue afterwards.
Deployed EVM contracts · Lending and yield · Reply in 3 working days
Five invariants and one gap.
Specific to your contract, written the way we would write them for a paying engagement.
What you get
- Five invariants, each stated in plain language and as a checkable expression.
- A threshold for each, with the reasoning for the number rather than a round figure.
- One gap — something your current monitoring would not catch, if we can find one.
- Where each would run: Tenderly, Defender, or a self-hosted watcher.
- A straight answer on whether you need us at all.
What it isn’t
- Not an audit. We are not reading for vulnerabilities, we are reading for what should always hold.
- Not implemented for you. The assessment is the reasoning; deployment is the paid engagement.
- Not a full invariant set. Five is enough to judge the thinking, not enough to cover a protocol.
- Not economic modelling. Incentive and liquidation design is deeper work than this.
- Not instant. Three working days, because a person reads it.
We need an address, not a conversation.
Everything we need to start is on-chain. Verified source helps; if the contract is unverified, say so in the notes and we will tell you what we can still do.
- Reply written by the person who read the contract
- No sales sequence, no drip campaign, no retargeting
- We will say if your existing setup is already adequate
- Nothing published without your written permission
EVM only, lending and yield. Those are the mechanics we understand well enough to be useful on. Anything else and we will say so rather than guess.