Four ways a quiet wallet loses money.
Old permissions
A years-old spending permission never expires. We find every one still open.
Lookalike addresses
Planted addresses match the ends your eye checks. This trick stole $83M last year.
Money leaving
A large outflow at three in the morning. We write the moment it moves.
Every chain at once
Bitcoin, Ethereum, Base, Arbitrum, Polygon. One watcher, one report.
Three steps, and one of them is waiting.
Paste an address
A public address. Nothing else.
Read the report
Plain sentences, not a dashboard.
Let it keep watching
We check around the clock. You sleep.
While you sleep, we read the chain.
Every block, on every chain you hold, all night. You hear from us only when something moves.
every block · every chain · all nightYour wallet just gave away unlimited spending rights
A contract created two days ago can now spend all of your USDC. If that wasn't you, cancel it now.
A real alert, word for word.
Pay once. Nothing renews itself.
One wallet, one fresh read a day. No account needed.
Up to 10 wallets, alerts day and night. Telegram, email, or both.
The whole product, all year. A reminder before it lapses, never a silent charge.
Built to be distrusted.
We read only public blockchain data. A public address can receive money; it can never send it. Read exactly what we check.
- Read-onlyNo keys, so we can move nothing.
- No auto-renewA period ends when it ends.
- No email requiredA username and a password.
Asked before, answered plainly.
Is it safe to paste my wallet address into Canary?
Yes. A public address only lets people view a wallet's history and send money to it — the same data any blockchain explorer shows anyone. Moving money out requires secret keys, which Canary never asks for and never wants. The check is read-only.
What does a Canary wallet health check look for?
Three families of risk: standing token permissions (including unlimited approvals to contracts on public scam blacklists), address-poisoning lookalikes planted in your transaction history, and dust payments on Bitcoin. Every finding is explained in plain English with a letter grade from A to F.
Which blockchains does Canary support?
Bitcoin, Ethereum, Base, Arbitrum, and Polygon — one watcher and one report across all of them.
How much does Canary cost?
The one-off health check is free: one wallet, one fresh read a day, no account needed. Continuous monitoring costs 6 USDC for 30 days or 49 USDC for a year, covers up to 10 wallets with alerts by Telegram or email, and never auto-renews — a paid period simply ends when it ends.
Does Canary need my private keys or seed phrase?
Never. Canary reads only public blockchain data and cannot move funds. It doesn't even require an email address — an account is a username and a password.
How is the wallet's letter grade calculated?
Deterministically. The grade starts at 100 points and subtracts a fixed, published weight per finding; the same input always produces the same grade. AI is used for exactly one thing — phrasing the findings in plain language — and never decides your risk.