Core principles
Device security covers system updates, screen locking, app sources, browser extensions and remote-access permissions. Sensitive actions are safer on devices you control. To understand Device Security, place the concept inside a real on-chain workflow: where the information comes from, what the user confirms, how the network records the result, and which outcomes cannot normally be reversed by a wallet provider. This makes inconsistencies easier to spot across different apps and networks.
Common risk scenarios
Public computers and public Wi‑Fi increase the risk of credential exposure, page tampering and session theft and are poor environments for wallet secrets or high-value signing. In practice, start with the intended outcome and then verify the relevant fields. If an address, network, contract or permission connected to Device Security cannot be explained, stop rather than accepting the default button. Public blockchain data can often be used as a second source of verification.
A practical way to check
Separate what you can verify publicly from what must remain secret. Network names, public addresses, transaction hashes and contract addresses can be checked against public blockchain data. Seed phrases and private keys should never be disclosed for this purpose.
How to identify and respond
Verify software sources and avoid unknown installers. Do not grant unrelated accessibility, screen-sharing or remote-control permissions. Security is not a single “perfect protection” switch. It comes from repeatable habits: trusted entry points, independent checks, least-necessary permissions, offline protection of secret credentials, and a willingness to reject abnormal requests.
imtoken staff will not ask for your seed phrase or private key. Review the address, network and request before any transfer, signature or approval.
Everyday checklist
Recheck pasted addresses to reduce clipboard-substitution risk and close unused sessions when you finish. After an action, verify that the result matches the intention. Save non-secret references such as the transaction hash, network and public address for troubleshooting, while keeping seed phrases, private keys and verification codes private.