Wallet synchronization and validation scams after swap errors
Recognize fake synchronization or validation remedies offered after a swap error and use evidence-based support instead.
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Swap security — page 3
Check permissions, signatures and contracts before putting assets at risk.
49 guides · Page 3 of 3
What to inspect in a typed-data signature before a swap
Inspect the signing domain and economically meaningful message fields in a swap-related typed-data request.
What your swap reveals on a public blockchain
Understand what public swaps reveal and why pseudonymous addresses, private submission and account disconnection do not erase chain history.
Which permission expires in a Permit2 request?
Read Permit2 signature deadlines and allowance expirations as separate limits with different effects.
Which token owner powers can change your ability to sell?
Identify administrative powers that can alter token transfers, supply or implementation after you buy.
Why a hardware wallet does not make blind signing safe
Hardware wallets protect signing keys, but unreadable approvals can still authorize harmful token movement.
Why a router upgrade can change the risk of an old approval
Understand how persistent token permission interacts with a router whose implementation can change.
Why high slippage tolerance can worsen sandwich losses
A wider slippage tolerance permits worse execution and can increase the room available for harmful transaction ordering.
Why two allowance scanners can show different results
Explain differences between allowance tools by checking network coverage, indexing and the permission types each tool recognizes.