Dust Attack
A dust attack is the deliberate sending of tiny token amounts ("dust") to many wallet addresses, typically used to deanonymize users, link addresses, or trick them into interacting with malicious contracts when they try to "clean up" or move the dust.
✦ Key Insight
For traders who manage multiple addresses for privacy, capital segregation, or operational security, a dust attack can silently link wallets that were supposed to be unconnected. Some dust also delivers phishing payloads via token names or links embedded in metadata.
✕ Common Misconceptions
Moving, swapping, or even approving unknown dust tokens.
Clicking links inside token names or NFT metadata.
Assuming a fresh address remains anonymous after touching dust.
Detailed Explanation
How It Works: The attacker sends fractional amounts of a token to thousands of addresses. They then watch the blockchain: when those addresses combine the dust with other inputs in a transaction, they reveal common ownership. Other variants use scam token names or transferFrom approvals to lure users into signing harmful transactions.
FAQs:
Should I just hide the dust? Yes — most block explorers and wallets let you hide rather than interact.
Can I get rid of dust safely? In most cases, simply leaving it is safest.
In Practice
Dig Deeper
On-Chain Data
On-chain data is information recorded directly on a blockchain. This includes transactions, wallet activity, token transfers, smart contract interactions, fees, and other measurable blockchain events.
Phishing
Phishing is a scam where attackers trick users into revealing private information or signing harmful transactions.
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