How smart contracts participate in transactions
A contract call can read or change on-chain state, and its result follows contract logic and network rules; a wallet cannot decide the meaning of a request on the user’s behalf. Smart contracts execute deployed code against on-chain state. A wallet can show and authorize a call, but it cannot replace judgment about contract source, method and permissions. For “How smart contracts participate in transactions,” first identify whether the relevant fact belongs to the local wallet interface, the selected network, or a contract permission. That distinction prevents an interface message from being mistaken for a final on-chain result.
DApp requests should be separated into account connection, message signing, transaction submission and token approval. They may appear consecutively, but their permissions and on-chain effects are different. In the context of “How smart contracts participate in transactions,” use a consistent order: establish the account and network, inspect the specific address, contract or request parameters, and only then authorize an action that can move assets or create permissions. Before confirming, review the domain, account, network, contract or recipient and any approval amount. If the purpose of the request cannot be explained, declining it is safer than treating connection as ongoing consent.
Within “How smart contracts participate in transactions,” a connection is only a session and does not pre-authorize asset actions. A message signature may prove account control, a transaction signature can change on-chain state, and a token approval can create persistent contract permissions; each deserves its own review.
- Verify the DApp domain and request source
- Distinguish connection, signing, transactions and approvals
- Inspect the contract or spender and permission scope
- Disconnect and review permissions when no longer needed
Building the check into routine use
If “How smart contracts participate in transactions” behaves differently from expected, record the active network, account, requester and any transaction hash, then eliminate possible causes one at a time. Do not keep signing, approving or sending assets merely to repair an issue that has not yet been identified.
Why the contract address must be verified
Similar project names or interfaces can point to different contracts, making the contract address and network essential identifiers for the interaction target. Smart contracts execute deployed code against on-chain state. A wallet can show and authorize a call, but it cannot replace judgment about contract source, method and permissions. For “Why the contract address must be verified,” first identify whether the relevant fact belongs to the local wallet interface, the selected network, or a contract permission. That distinction prevents an interface message from being mistaken for a final on-chain result.
Before confirming, review the domain, account, network, contract or recipient and any approval amount. If the purpose of the request cannot be explained, declining it is safer than treating connection as ongoing consent. In the context of “Why the contract address must be verified,” use a consistent order: establish the account and network, inspect the specific address, contract or request parameters, and only then authorize an action that can move assets or create permissions. Before confirming, review the domain, account, network, contract or recipient and any approval amount. If the purpose of the request cannot be explained, declining it is safer than treating connection as ongoing consent.
Within “Why the contract address must be verified,” a connection is only a session and does not pre-authorize asset actions. A message signature may prove account control, a transaction signature can change on-chain state, and a token approval can create persistent contract permissions; each deserves its own review.
- Verify the DApp domain and request source
- Distinguish connection, signing, transactions and approvals
- Inspect the contract or spender and permission scope
- Disconnect and review permissions when no longer needed
Building the check into routine use
If “Why the contract address must be verified” behaves differently from expected, record the active network, account, requester and any transaction hash, then eliminate possible causes one at a time. Do not keep signing, approving or sending assets merely to repair an issue that has not yet been identified.
Failed calls, gas and state changes
A failed transaction can still consume gas, and whether state changed should be checked through the transaction receipt and suitable block-explorer information. Smart contracts execute deployed code against on-chain state. A wallet can show and authorize a call, but it cannot replace judgment about contract source, method and permissions. For “Failed calls, gas and state changes,” first identify whether the relevant fact belongs to the local wallet interface, the selected network, or a contract permission. That distinction prevents an interface message from being mistaken for a final on-chain result.
DApp requests should be separated into account connection, message signing, transaction submission and token approval. They may appear consecutively, but their permissions and on-chain effects are different. In the context of “Failed calls, gas and state changes,” use a consistent order: establish the account and network, inspect the specific address, contract or request parameters, and only then authorize an action that can move assets or create permissions. Before confirming, review the domain, account, network, contract or recipient and any approval amount. If the purpose of the request cannot be explained, declining it is safer than treating connection as ongoing consent.
Within “Failed calls, gas and state changes,” a connection is only a session and does not pre-authorize asset actions. A message signature may prove account control, a transaction signature can change on-chain state, and a token approval can create persistent contract permissions; each deserves its own review.
- Verify the DApp domain and request source
- Distinguish connection, signing, transactions and approvals
- Inspect the contract or spender and permission scope
- Disconnect and review permissions when no longer needed
Building the check into routine use
If “Failed calls, gas and state changes” behaves differently from expected, record the active network, account, requester and any transaction hash, then eliminate possible causes one at a time. Do not keep signing, approving or sending assets merely to repair an issue that has not yet been identified.
Third-party contract risk
Contracts can contain vulnerabilities, malicious logic or excessive permission designs, so interaction should reflect the user’s own understanding rather than unfamiliar links or pressure. Smart contracts execute deployed code against on-chain state. A wallet can show and authorize a call, but it cannot replace judgment about contract source, method and permissions. For “Third-party contract risk,” first identify whether the relevant fact belongs to the local wallet interface, the selected network, or a contract permission. That distinction prevents an interface message from being mistaken for a final on-chain result.
Before confirming, review the domain, account, network, contract or recipient and any approval amount. If the purpose of the request cannot be explained, declining it is safer than treating connection as ongoing consent. In the context of “Third-party contract risk,” use a consistent order: establish the account and network, inspect the specific address, contract or request parameters, and only then authorize an action that can move assets or create permissions. Before confirming, review the domain, account, network, contract or recipient and any approval amount. If the purpose of the request cannot be explained, declining it is safer than treating connection as ongoing consent.
Within “Third-party contract risk,” a connection is only a session and does not pre-authorize asset actions. A message signature may prove account control, a transaction signature can change on-chain state, and a token approval can create persistent contract permissions; each deserves its own review.
- Verify the DApp domain and request source
- Distinguish connection, signing, transactions and approvals
- Inspect the contract or spender and permission scope
- Disconnect and review permissions when no longer needed
Building the check into routine use
If “Third-party contract risk” behaves differently from expected, record the active network, account, requester and any transaction hash, then eliminate possible causes one at a time. Do not keep signing, approving or sending assets merely to repair an issue that has not yet been identified.