诈骗模式
Malicious token approvals
A transaction grants a spender authority over assets already held by the victim.
研究文章和参考条目以英语发布。导航提供七种语言。
Overview
A transaction grants a spender authority over assets already held by the victim.
Why it matters
The spender can wait and transfer tokens later without another signature.
What to check
Record token, owner, spender, limit and transaction hash, then revoke unnecessary authority.