Tipi di truffa
Malicious token approvals
A transaction grants a spender authority over assets already held by the victim.
Gli articoli di ricerca e le schede sono pubblicati in inglese. La navigazione è disponibile in sette lingue.
In questo articolo
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.