MetaMask launches address poisoning attack detection feature

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Golden Finance reported that on June 21, MetaMask launched an address poisoning attack detection feature to identify scam addresses that are highly similar to a user’s historical interaction addresses.

An address poisoning attack refers to an attacker sending small amounts of tokens to a user’s wallet, causing the disguised address to appear in the transaction history and luring the user into accidentally copying it and transferring funds later.

In recent years, address poisoning attacks have surged. Based on security data from Blockaid alone, from January 2025 to February 2026, there were more than 65.4 million such incidents.

MetaMask’s new feature automatically compares pasted addresses with the user’s historical interaction addresses. If it finds that the first and last characters match but the characters in the middle differ, a blocking alert will pop up during the transfer process.

MetaMask has also improved how addresses are displayed by showing more characters, reducing the likelihood of confusion. This feature is now available on MetaMask Mobile and browser extensions.

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