🦊 MetaMask just added a safeguard for one of the nastier wallet risks: a transaction changing after you sign it. Here’s how Added Protection works ↓
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MetaMask Can Now Stop a Transaction If It Changes After You Sign

🦊 You check a transaction in MetaMask, everything looks fine, and you sign it. But what if the transaction behaves differently when it actually executes? That’s exactly what MetaMask’s new Added

Sep 20, 2026 · 3:18 PM UTC

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Replying to @mintaro_eth
What you sign should be what executes.
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Exactly that. That's the whole point of this update - what you saw in the preview has to match what actually executes on-chain, otherwise it auto-reverts. No funds lost.
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