Approval Security

Good decisions around Approval Security depend on context more than on memorizing a screen. Approvals should be limited to the spender needed for the current purpose. Larger allowances create a wider potential exposure. The spender should be verified by contract address. This page therefore follows a prepare, review, act, and verify sequence, with clear stop conditions whenever the network, target, amount, permission, or expected result does not match the user’s intent.

approvals should be limited to the spender needed for the current purpose

For Approval Security, seed phrases and private keys remain under the user’s control, and imtoken personnel will not ask for a seed phrase, private key, or verification code. Before transferring, signing, or approving, review the address, network, contract target, amount, and permission scope. On-chain transactions generally cannot be reversed by a wallet alone, and third-party DApps or smart contracts can introduce additional risk. Stop and verify with public information whenever the request does not match the expected action.

On this page

Core principle: Approvals should be limited to the spender needed for the current purpose Common risk scenarios: The spender should be verified by contract address How to recognize the issue: An approval can persist until it is changed or revoked What to do next: Approval state is separate on each network Build a repeatable check: Malicious signing flows can be disguised as ordinary approval steps

Core principle: Approvals should be limited to the spender needed for the current purpose

Focus on larger allowances create a wider potential exposure

First, in Approval Security, Core principle: Approvals should be limited to the spender needed for the current purpose works best as a repeatable security rule, not as a one-time setting. Approvals should be limited to the spender needed for the current purpose. Larger allowances create a wider potential exposure. In a Approval Security scenario, the practical response is to treat network context as a prerequisite for every step. A familiar interface, a rushed message, a supposed support agent, or an urgent promotion should never lower the standard for checking the domain, network, target, and permission being requested. If any of those details cannot be explained, stopping is safer than trying to discover the answer by signing first.

First follow-up in Approval Security: Focus on larger allowances create a wider potential exposure can be turned into a concrete review sequence. Check the domain, address, network, contract target, and permission scope before acting, then compare the expected result with the state that is actually recorded afterward. The spender should be verified by contract address. A DApp name does not replace the on-chain spender identity. It is also important to put public evidence ahead of visual familiarity. Troubleshooting can rely on public addresses, networks, transaction hashes, and contract records; a seed phrase, private key, or verification code is not troubleshooting data and should never be sent through chat, remote-control software, or an unfamiliar form.

Confirm approvals should be limited to the spender needed for the current purpose.
Check how larger allowances create a wider potential exposure affects the current request.
Use the spender should be verified by contract address as a separate verification point.

Common risk scenarios: The spender should be verified by contract address

Focus on a DApp name does not replace the on-chain spender identity

Second, in Approval Security, Common risk scenarios: The spender should be verified by contract address works best as a repeatable security rule, not as a one-time setting. The spender should be verified by contract address. A DApp name does not replace the on-chain spender identity. In a Approval Security scenario, the practical response is to avoid repeated submissions when the current state is unclear. A familiar interface, a rushed message, a supposed support agent, or an urgent promotion should never lower the standard for checking the domain, network, target, and permission being requested. If any of those details cannot be explained, stopping is safer than trying to discover the answer by signing first.

Second follow-up in Approval Security: Focus on a DApp name does not replace the on-chain spender identity can be turned into a concrete review sequence. Check the domain, address, network, contract target, and permission scope before acting, then compare the expected result with the state that is actually recorded afterward. An approval can persist until it is changed or revoked. Revocation normally requires another on-chain transaction. It is also important to confirm the object, then the action, then the result. Troubleshooting can rely on public addresses, networks, transaction hashes, and contract records; a seed phrase, private key, or verification code is not troubleshooting data and should never be sent through chat, remote-control software, or an unfamiliar form.

Confirm the spender should be verified by contract address.
Check how a DApp name does not replace the on-chain spender identity affects the current request.
Use an approval can persist until it is changed or revoked as a separate verification point.

How to recognize the issue: An approval can persist until it is changed or revoked

Focus on revocation normally requires another on-chain transaction

Third, in Approval Security, How to recognize the issue: An approval can persist until it is changed or revoked works best as a repeatable security rule, not as a one-time setting. An approval can persist until it is changed or revoked. Revocation normally requires another on-chain transaction. In a Approval Security scenario, the practical response is to keep secret recovery material separate from troubleshooting data. A familiar interface, a rushed message, a supposed support agent, or an urgent promotion should never lower the standard for checking the domain, network, target, and permission being requested. If any of those details cannot be explained, stopping is safer than trying to discover the answer by signing first.

Third follow-up in Approval Security: Focus on revocation normally requires another on-chain transaction can be turned into a concrete review sequence. Check the domain, address, network, contract target, and permission scope before acting, then compare the expected result with the state that is actually recorded afterward. Approval state is separate on each network. Tokens under different contract addresses are different assets. It is also important to split a request into source, target, permission, and outcome. Troubleshooting can rely on public addresses, networks, transaction hashes, and contract records; a seed phrase, private key, or verification code is not troubleshooting data and should never be sent through chat, remote-control software, or an unfamiliar form.

Confirm an approval can persist until it is changed or revoked.
Check how revocation normally requires another on-chain transaction affects the current request.
Use approval state is separate on each network as a separate verification point.

What to do next: Approval state is separate on each network

Focus on tokens under different contract addresses are different assets

Fourth, in Approval Security, What to do next: Approval state is separate on each network works best as a repeatable security rule, not as a one-time setting. Approval state is separate on each network. Tokens under different contract addresses are different assets. In a Approval Security scenario, the practical response is to ask what every signature proves or changes. A familiar interface, a rushed message, a supposed support agent, or an urgent promotion should never lower the standard for checking the domain, network, target, and permission being requested. If any of those details cannot be explained, stopping is safer than trying to discover the answer by signing first.

Fourth follow-up in Approval Security: Focus on tokens under different contract addresses are different assets can be turned into a concrete review sequence. Check the domain, address, network, contract target, and permission scope before acting, then compare the expected result with the state that is actually recorded afterward. Malicious signing flows can be disguised as ordinary approval steps. Periodic review of unused allowances reduces stale permissions. It is also important to understand why a confirmation is needed before approving it. Troubleshooting can rely on public addresses, networks, transaction hashes, and contract records; a seed phrase, private key, or verification code is not troubleshooting data and should never be sent through chat, remote-control software, or an unfamiliar form.

Confirm approval state is separate on each network.
Check how tokens under different contract addresses are different assets affects the current request.
Use malicious signing flows can be disguised as ordinary approval steps as a separate verification point.

Build a repeatable check: Malicious signing flows can be disguised as ordinary approval steps

Focus on periodic review of unused allowances reduces stale permissions

Fifth, in Approval Security, Build a repeatable check: Malicious signing flows can be disguised as ordinary approval steps works best as a repeatable security rule, not as a one-time setting. Malicious signing flows can be disguised as ordinary approval steps. Periodic review of unused allowances reduces stale permissions. In a Approval Security scenario, the practical response is to use contract addresses as a strong identity check. A familiar interface, a rushed message, a supposed support agent, or an urgent promotion should never lower the standard for checking the domain, network, target, and permission being requested. If any of those details cannot be explained, stopping is safer than trying to discover the answer by signing first.

Fifth follow-up in Approval Security: Focus on periodic review of unused allowances reduces stale permissions can be turned into a concrete review sequence. Check the domain, address, network, contract target, and permission scope before acting, then compare the expected result with the state that is actually recorded afterward. Approvals should be limited to the spender needed for the current purpose. Larger allowances create a wider potential exposure. It is also important to prefer public records that can be checked again later. Troubleshooting can rely on public addresses, networks, transaction hashes, and contract records; a seed phrase, private key, or verification code is not troubleshooting data and should never be sent through chat, remote-control software, or an unfamiliar form.

Confirm malicious signing flows can be disguised as ordinary approval steps.
Check how periodic review of unused allowances reduces stale permissions affects the current request.
Use approvals should be limited to the spender needed for the current purpose as a separate verification point.

Practical checklist

Review approvals should be limited to the spender needed for the current purpose.
Review the spender should be verified by contract address.
Review an approval can persist until it is changed or revoked.
Review approval state is separate on each network.
Review malicious signing flows can be disguised as ordinary approval steps.