Security

imtoken

Security

Build a complete wallet security model covering recovery material, permissions, phishing, device hygiene and transaction checks.

Protect recovery material before adding other controls

Start by making the real object of “Protect recovery material before adding other controls” explicit. Seed phrases and private keys represent account control and should remain with the user. This is not just vocabulary: it tells you where the displayed data comes from, what the next confirmation can change and which facts should be checked on the relevant network. For Security, a familiar name, icon or interface is not enough by itself; network, account and intended action belong in the same decision.

What to verify in practice

A common mistake in this area is treating a plausible screen as complete evidence. Seed phrases and private keys represent account control and should remain with the user. Do not send them to anyone or enter them into support, airdrop or “sync” pages. If a request unexpectedly asks for broader permission, a network switch, recovery material or an unexplained signature, stop and verify the source. Declining an action you cannot explain is safer than guessing what a contract or signature might do.

For this part of Security, keep one boundary in mind: Security is not a one-time trust decision. Domains, devices, signatures, permissions and transactions each need their own review when they occur. Decisions around “Protect recovery material before adding other controls” should be based on the current network, account and request rather than assuming a previous successful action makes the next one trustworthy. On-chain transactions generally cannot be unilaterally reversed by a wallet, and third-party DApps, smart contracts or bridges can introduce separate risks.

Treat domains, signatures and approvals as separate checkpoints

For Security, a practical review can be split into target, network and result. Phishing sites can imitate an interface closely. Continue to read every signature and approval after connection, especially high-value allowances, unfamiliar contracts and unexplained structured messages. Then use public on-chain evidence where appropriate: Keep a transaction hash or another public reference for verification. This order reduces the chance that interface familiarity will hide an important detail and makes troubleshooting easier when something looks wrong.

A durable routine does not need to be complicated. For “Treat domains, signatures and approvals as separate checkpoints”, define the expected action, perform only what is necessary, and verify the result afterward. Phishing sites can imitate an interface closely. Public references such as a transaction hash, network name or address can help with troubleshooting, while a seed phrase, private key or verification code should stay out of webpages, support tickets and chats.

For this part of Security, keep one boundary in mind: Security is not a one-time trust decision. Domains, devices, signatures, permissions and transactions each need their own review when they occur. Decisions around “Treat domains, signatures and approvals as separate checkpoints” should be based on the current network, account and request rather than assuming a previous successful action makes the next one trustworthy. On-chain transactions generally cannot be unilaterally reversed by a wallet, and third-party DApps, smart contracts or bridges can introduce separate risks.

The device environment can expose secrets indirectly

A common mistake in this area is treating a plausible screen as complete evidence. Operating system updates, screen locks, malware, clipboard replacement, remote control, public Wi-Fi and public computers all change risk. Handle recovery material in a private, offline environment whenever possible. If a request unexpectedly asks for broader permission, a network switch, recovery material or an unexplained signature, stop and verify the source. Declining an action you cannot explain is safer than guessing what a contract or signature might do.

Risk signals worth noticing

Start by making the real object of “The device environment can expose secrets indirectly” explicit. Operating system updates, screen locks, malware, clipboard replacement, remote control, public Wi-Fi and public computers all change risk. This is not just vocabulary: it tells you where the displayed data comes from, what the next confirmation can change and which facts should be checked on the relevant network. For Security, a familiar name, icon or interface is not enough by itself; network, account and intended action belong in the same decision.

For this part of Security, keep one boundary in mind: Security is not a one-time trust decision. Domains, devices, signatures, permissions and transactions each need their own review when they occur. Decisions around “The device environment can expose secrets indirectly” should be based on the current network, account and request rather than assuming a previous successful action makes the next one trustworthy. On-chain transactions generally cannot be unilaterally reversed by a wallet, and third-party DApps, smart contracts or bridges can introduce separate risks.

Verify on-chain facts before and after a transfer

A durable routine does not need to be complicated. For “Verify on-chain facts before and after a transfer”, define the expected action, perform only what is necessary, and verify the result afterward. Check address, network and amount before sending. Public references such as a transaction hash, network name or address can help with troubleshooting, while a seed phrase, private key or verification code should stay out of webpages, support tickets and chats.

For Security, a practical review can be split into target, network and result. Check address, network and amount before sending. Keep the transaction hash and verify the result on the relevant explorer. Then use public on-chain evidence where appropriate: On-chain transactions generally cannot be unilaterally reversed by a wallet, so the final review matters. This order reduces the chance that interface familiarity will hide an important detail and makes troubleshooting easier when something looks wrong.

For this part of Security, keep one boundary in mind: Security is not a one-time trust decision. Domains, devices, signatures, permissions and transactions each need their own review when they occur. Decisions around “Verify on-chain facts before and after a transfer” should be based on the current network, account and request rather than assuming a previous successful action makes the next one trustworthy. On-chain transactions generally cannot be unilaterally reversed by a wallet, and third-party DApps, smart contracts or bridges can introduce separate risks.