Blind Signing is Killing Wallets
Every day, crypto users lose millions because they sign transactions they don't understand. WTF intercepts every tx and explains it in plain English before it reaches your wallet.
Works with MetaMask, Rabby, Coinbase Wallet, and 20+ more
See the difference
What MetaMask Shows You vs. What WTF Shows You
How it works
Three Steps. Zero Friction. Total Clarity.
Install the Extension
One click install from Chrome Web Store. Works with MetaMask, Rabby, Coinbase Wallet, and 20+ wallets.
Use Any dApp
Browse DeFi normally. When a dApp requests a transaction, we intercept it before it reaches your wallet.
Understand Before You Sign
Get a plain English breakdown with risk scoring. Red means danger. Green means safe. Then decide with confidence.
Features
Everything You Need to Sign Safely
Built by degens, for degens. Every feature designed to keep your wallet safe without slowing you down.
AI-Powered Analysis
GPT-4 level understanding of smart contract interactions. Decodes even the most complex multi-call transactions.
Real-Time Risk Scoring
Every transaction gets a risk score from 0-100. Color-coded alerts so you know instantly if something is off.
Contract Verification
Cross-references contracts against known scam databases, audits, and on-chain history. Flags unverified code.
Approval Management
See all your active token approvals. Revoke unlimited approvals with one click. Stop the bleeding.
Multi-Chain Support
Ethereum, Polygon, Arbitrum, Optimism, Base, BSC, and more. One extension covers all your chains.
Simulation Preview
See exactly what will happen before you sign. Token flows, balance changes, and state modifications — all previewed.
Threat detection
Attack Patterns We Catch
Contracts requesting infinite spending allowance on your tokens.
Fake permit2 and signTypedData requests that steal tokens without a transaction.
Swaps that route through malicious contracts, draining more than the swap amount.
Mint functions that include hidden approve-all calls for your existing NFTs.
Upgradeable proxies that can change behavior after you've approved them.
Transactions to addresses that look similar to your recent contacts.
Pricing
Protect Your Wallet. Pick a Plan.
Free tier covers the basics. Pro unlocks full protection for power users.
Essential protection for casual DeFi users
Complete protection for serious DeFi users
Testimonials
Trusted by Degens Who DYOR
“Caught an unlimited approval on a sketchy contract I would have blindly signed. This extension literally saved my portfolio.”
“Every degen needs this. The risk scoring is dead accurate and the plain English explanations make complex txs actually understandable.”
“I review smart contracts for a living and I still use WTF. The simulation previews catch things even experienced devs miss.”
FAQ
Common Questions
Yes! The free tier gives you 10 transaction scans per month with basic risk scoring. For unlimited scans and advanced features like simulation previews, upgrade to Pro for $9.99/month.
WTF works with MetaMask, Rabby, Coinbase Wallet, Trust Wallet, and 20+ browser-based wallets. Any wallet that uses the standard Ethereum provider API is compatible.
Absolutely not. WTF only reads transaction data before it's signed. We never have access to your private keys, seed phrases, or the ability to sign transactions on your behalf.
Ethereum, Polygon, Arbitrum, Optimism, Base, BSC, Avalanche, and Fantom. We're adding new chains regularly. Pro users get access to all supported chains.
We decode the raw transaction calldata, cross-reference the target contract against verified sources and scam databases, simulate the transaction outcome, and generate a plain English explanation with risk scoring.
Yes! WTF intercepts the transaction before it reaches your hardware wallet for signing. You'll see the analysis in your browser, then confirm on your Ledger or Trezor as usual.
Stop Signing Blind.
Start Signing Smart.
Join 12,000+ DeFi users who never sign a transaction they don't understand.
Add to Chrome — It's Free