Tipos de fraude

Malicious token approvals

A transaction grants a spender authority over assets already held by the victim.

Reference note · Sources below

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Overview

A transaction grants a spender authority over assets already held by the victim.

The spender can wait and transfer tokens later without another signature.

Record token, owner, spender, limit and transaction hash, then revoke unnecessary authority.

Carteiras e segurança

A spending permission is separate from connecting a wallet or completing one swap.

Tipos de fraude

A token name, NFT description or tiny transfer contains a malicious URL.

Tipos de fraude

A project collects funds before a usable market or product exists.

Tipos de fraude

An unsolicited event inserts scam links into a trusted calendar.