Crypto scams are everywhere. However, this time around, it is the low-tech crypto scammers who are exploiting user interface (UI) habits.
A day after Harmony Protocol was exploited via unauthorized minting of 4 billion ONE tokens, a user has fallen victim to address poisoning.
Inside rising cases of wallet address poisoning
According to Lookonchain, the victim lost more than $100K in USDT after copying an illegitimate wallet address from the transaction history.
Here is the gist.
The attacker initially poisoned the wallet about 66-69 days ago.
Usually, scammers generate lookalike addresses that match the first and last visible characters of a legitimate address the victim has used before. They then send small transfers, commonly known as dust, using the fake address so it appears in the victim’s history.
The crypto phishing tactic targets users who copy and paste addresses and send funds without verifying. The latest victim lost funds through this tactic.
Consequently, the attacker swapped the USDT to Ethereum [ETH] 72 seconds after it landed on Uniswap V3 and now holds 52.8 ETH. The purpose was to evade potential freezing, as Tether can do so.
The rate at which address poisoning is rising is alarming. For instance, a routine transfer turned into a multimillion-dollar loss in minutes on the 30th of January. The victim transferred 4,556 ETH valued at $12.40 million to a fake address.
That is not all.
Another victim lost $649K from a fake address that initially sent $10 in early May. In total, between late 2025 and early 2026, reports indicated that Ethereum-related losses reached $62 million.
Such data hints that there was a series of address poisoning scams that were yet to be exposed, bearing in mind that on-chain investigators largely covered the technical exploits.
What users need to do
As wallet address poisoning scams skyrocket, what do users need to do to avoid falling victim? For instance, Lookonchain advised,
Always double-check the wallet address before sending funds, and never copy an address from your transaction history.
Other measures include having a test transaction before sending any large amount as well as an address book.
Additionally, users need to be wary of unexpected incoming transfers while deploying some tools and explorers that flag potential poisoning.
Final Summary
- A victim lost over $100K in USDT from a crypto phishing attack that used a wallet address poisoning tactic.
- The rising number of address poisoning attacks indicates that those who ‘copy and paste from transaction history’ are the most vulnerable.
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