Bitcoin 'address poisoning' attacks on the rise, warns Casa CSO Jameson Lopp
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The Block
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https://www.theblock.co/post/349736/bitcoin-address-poisoning-attacks-on-the-rise-warns-casa-cso-jameson-lopp
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Jameson Lopp warns of Bitcoin address poisoning attacks
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An an address poisoning attack, an attacker sends its target a transaction from a newly-generated wallet whose first and last characters match the target wallet, or a wallet the target has recently interacted with. The next time the target wants to send money to that wallet, they might mistakenly copy the lookalike address from their transaction history and send money directly to the hacker instead of their intended recipient.
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"[The attacks are] a result of the fact that we're in a very low-fee environment," Lopp said when presenting his findings at the MIT Bitcoin Expo. "If we had [high] fees going on, I think that would greatly disincentivize people from doing a lot of these dusting attacks, unless they figured out other ways to increase their attack success rate."
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