What is a seed phrase?
A seed phrase is commonly used to recover wallet control. Keep it offline and never send it to anyone.
How is a private key different from a seed phrase?
A private key controls a specific account, while a seed phrase can often derive multiple accounts. Both are highly sensitive recovery data.
Will imtoken support ask for my seed phrase?
No. imtoken staff will not ask for a seed phrase, private key, or verification code.
How do I confirm the receiving network?
Make sure the sender and receiver are using the same target network and that the asset is supported there.
Why does a transfer need gas?
Gas pays for network execution and recording. The amount varies with network conditions and transaction complexity.
What is a transaction hash for?
A transaction hash can be used on the matching network explorer to check broadcast, block inclusion, confirmations, fees, and contract activity.
Can an on-chain transfer be reversed?
On-chain transfers generally cannot be reversed by a wallet, so check the address, network, and amount before broadcasting.
What does connecting to a DApp mean?
It allows the DApp to request account information or later interactions. It does not approve every transaction or signature.
What is a message signature?
A message signature can prove account control or confirm a text-based request. It may not move assets directly, but the content and domain still need review.
What is a transaction signature?
It authorizes an on-chain transaction or contract call. Review the target, network, amount, gas, and call details.
What is a token approval?
A token approval allows a specific contract to operate tokens within a defined scope. Check the target, amount, and purpose.
How do I revoke an approval?
Use a compatible approval-management tool or contract interaction on the correct network. Revocation itself usually requires gas.
Why do EVM addresses look similar across networks?
Many EVM-compatible networks use the same address format, but they remain separate networks with separate asset and contract state.
How does Layer 2 relate to mainnet?
Layer 2 processes more activity outside mainnet and connects back through a specific settlement or data mechanism. Bridge and exit behavior varies.
What is a validator?
A validator participates in PoS consensus by proposing blocks or attesting to network state and can receive rewards or penalties under protocol rules.
Does Ethereum staking guarantee returns?
No. Rewards can change, exits can take time, validators can be penalized, and contract, service, and market risks remain.
Is public Wi-Fi safe for wallet activity?
Sensitive actions deserve extra caution on public networks because phishing or interception risk can be higher.
Why should I verify contract addresses?
Tokens and DApps can be imitated by name. Contract addresses are one important way to identify the intended on-chain asset or application.