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Why the connection prompt deserves scrutiny
A wallet connection lets a dApp identify an account and request wallet interactions. It is not a blanket approval of future actions. After connecting, the site might ask you to sign an off-chain message, approve a transaction, grant a token delegate, or move assets. Each request has a different effect and must be evaluated separately.
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Solana’s user guidance frames the key question as: “How do I know if an app is legitimate?” The practical answer is to verify the official website and verified social accounts, look for credible audit information, and consider community reputation. None of those checks proves that a particular prompt is safe, so inspect the wallet request itself as well.
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Check the domain before opening your wallet
Use a trusted route to the app
- Start at the project’s official website, a verified account operated by the project, or a bookmark you previously checked.
- Follow the link to the dApp from that source rather than from an unsolicited message, advertisement, pop-up, or search result that you cannot validate.
- Before connecting, click or tap the browser address bar and read the complete domain, including the spelling and top-level domain.
A convincing copy can use a one-character substitution, an extra word, a different top-level domain, or a look-alike subdomain. A familiar logo, page design, or connection history is not proof that the current page is genuine. Recheck the domain whenever you open a new tab or follow a new link.
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Recognize social-engineering warnings
- Unsolicited “support” direct messages asking you to connect or provide information.
- Urgency, threats that an account will be closed, or claims that you must act immediately.
- Guaranteed profits, exclusive airdrops, or requests to “verify” a wallet by entering recovery words.
- Instructions to disable security controls or install an unrequested extension.
Solana’s guidance says legitimate support does not initiate private messages and that no legitimate airdrop needs your seed phrase. Treat any request for recovery words or a private key as a stop signal, regardless of how professional the sender appears.
Verify an unfamiliar origin
If the wallet asks you to trust an unfamiliar website or API origin, pause. Check that origin independently through the project’s official channels before approving. Solana’s Actions guidance notes that a wallet should show a connect-to-site prompt the first time it retrieves an unknown API. It also warns that a “blink” can execute on an origin different from the origin associated with its Action. The origin displayed by the wallet therefore deserves the same attention as the page you can see.
Never reveal recovery credentials
A seed phrase (recovery phrase) and private key control the wallet. A normal connection request does not require either one. Do not enter them into a dApp, support form, browser window, QR-code page, or chat. Do not send a screenshot or copy them into a clipboard utility that you do not control.
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If a page claims that recovery words are needed to connect, claim an airdrop, synchronize a wallet, fix an error, or unlock a reward, close it. A wallet provider or project representative should not need the phrase to inspect a public address or help you understand a prompt. Anyone who obtains it can generally recreate the wallet without your permission.
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Know which kind of wallet request you are seeing
Connection, message signing, and transaction signing are different operations. The wallet’s wording varies by extension and version, but the underlying distinction remains:
| Request | What it generally does | What to verify |
|---|---|---|
| Connect to site | Allows the dApp to see the selected public account and request later wallet actions. | Confirm the exact site or origin, the account being connected, and why the connection is needed. |
| Sign a message | Creates a cryptographic signature. Solana’s authentication documentation says this can prove control of a wallet without a transaction, network call, or transaction fee. | Read the complete message, identify the site and purpose, and reject opaque or unrelated text. |
| Sign a transaction | Authorizes an on-chain operation that may transfer assets, change permissions, or incur network fees. | Check instructions, recipients, amounts, accounts, approvals, and the action you initiated. |
Signing in with a message can be safer and cheaper than signing in with a transaction, but only if the message is understandable and tied to the site you intended to use. Solana warns that using a transaction merely as a login confirmation adds fees, RPC calls, latency, and risk. Someone accustomed to approving login transactions may be easier to trick into approving a harmful transaction later. Treat a transaction prompt as an on-chain authorization, never as a routine login step.
A step-by-step pre-connection check
- Confirm your goal. State what you are trying to do—view a position, swap a specified amount, mint an item, or use another feature. If you cannot describe the intended action, do not connect yet.
- Validate the route. Open the dApp through the project’s official site, a verified project account, or a trusted bookmark. Do not rely on an unsolicited message.
- Inspect the full URL. Look for misspellings, added words, unexpected subdomains, and a changed top-level domain.
- Check the wallet’s origin prompt. Make sure the origin shown by the wallet matches the page and the project you verified. Investigate an unfamiliar API origin before continuing.
- Select the intended account. Confirm that the wallet and public address contain only the assets you intend to expose to this interaction.
- Read the connection request. Approve only a connection. If the same flow immediately asks for a signature or transaction, stop and assess that separate request.
- Record what you approved. Note the site, account, and purpose so you can disconnect and review permissions when finished.
How to inspect a message-signing request
A message signature can authenticate you without moving tokens, but it is still a statement made with your wallet. Read the entire displayed text, not just a heading such as “Sign in.” Look for the domain, a nonce or session identifier, an expiration time, and a clear explanation of what the signature proves.
- Did you initiate the login or action?
- Does the message name the site you opened?
- Is the text legible and specific rather than an encoded blob or unrelated command?
- Does it ask you to approve a transaction, transfer, or permission even though the wallet labels it as a message?
Reject a message you cannot interpret. A signature that does not itself submit a transaction can still be used by an application as authorization, so “no network fee” does not mean “no consequence.”
How to inspect a transaction prompt
Match the transaction to your intention
Read the wallet’s summary and, where available, its instruction details or simulation. Confirm the recipient address and amount for a transfer. For a swap or purchase, verify the assets, limits, fees, and destination accounts. Check that the program or application named in the prompt is the one you intended to use.
Look for permission changes
Be especially cautious when a transaction grants an approval, assigns a delegate, changes an authority, or moves assets to an account you do not recognize. A request to approve a very large or unlimited amount is materially different from a limited approval. Stop if the wallet’s description is vague or the effect is not clear enough for you to explain in plain language.
Use simulations as evidence, not a guarantee
Some Solana Actions flows simulate transactions before execution and show a preview. Solana’s official Actions guidance states: “As with dApps, Action transactions are always simulated prior to execution.” A preview can reveal expected balance changes or a failing instruction, but it does not certify that the website is trustworthy or that signing is appropriate. A malicious site can present a transaction whose simulated outcome is still harmful. Use the simulation to understand the request, then apply the domain, origin, recipient, and permission checks.
Connection does not equal approval
After a connection, a dApp can present additional prompts. Do not approve them automatically because you recognized the site or connected to it earlier. Re-evaluate each prompt as if it were new:
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- Did you initiate this exact action?
- Does the wallet show the expected site or origin?
- Are the selected account and assets correct?
- Are the recipient, amount, and fee reasonable?
- Does the request create a token approval, delegate, or other permission?
- Can you explain what will happen after signing?
If any answer is no or uncertain, reject the prompt and close the page until you can verify it independently.
Limit exposure when an app is unfamiliar
For an app you have not used before, consider a separate wallet that is not your main long-term account. Keep only the funds needed for the planned interaction. A small test amount can help you confirm that the intended operation works before committing more value.
These measures limit potential exposure; they do not make a malicious request safe. A separate wallet can still lose its contents if you reveal its recovery phrase or sign a harmful transaction. A small test transfer can also be sent to the wrong address if you fail to verify the recipient.
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Disconnect from the dApp when you finish, especially on a shared or infrequently used device. Disconnecting normally removes the site’s current session or connection entry. It does not necessarily undo an on-chain approval that you already signed.
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Phantom’s support guidance warns that a malicious approval may remain dangerous after disconnecting and describes reviewing and revoking Solana approvals separately. Solana’s spend-permissions documentation explains that a token-account delegate can transfer tokens within an approved limit and that the owner can revoke the delegate. The approved amount may be limited rather than the entire balance, but any approval you do not recognize should be investigated.
Post-connection review
- Disconnect the site in the wallet’s connected-app or permissions view.
- Review recent signatures and transactions for approvals, delegates, authority changes, and transfers.
- Revoke suspicious token permissions through a wallet feature or a revoke tool you have independently verified. Do not follow an unverified “support” link to revoke access.
- Check the account again after revocation to confirm that the permission change was submitted and finalized.
What to do if you suspect compromise
If you entered a seed phrase, exposed a private key, or signed a transaction you believe was malicious, treat the wallet as compromised. Solana’s user guidance recommends moving remaining assets to a new wallet, documenting the affected addresses and amounts, and reporting the incident through official channels. Do not wait for an unsolicited person offering recovery help; avoid recovery direct messages, which can be a second scam.
Move assets only after checking the destination address carefully. Preserve transaction signatures, timestamps, domain names, screenshots, and messages for the report. If an approval or delegate is still active, revoke it separately where possible, but do not assume revocation can recover assets already transferred.
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A Solana-compatible hardware wallet can keep signing keys on a separate device and may be useful for users who want physical confirmation. Solana’s authentication documentation discusses hardware-wallet support and recommends explicit opt-in when a transaction is used for sign-in. Compatibility and interface behavior can change by wallet and dApp, so verify current support before relying on it.
A hardware device does not make an unclear transaction safe. If you approve a malicious instruction on the device, the device can still authorize it. Read the transaction details, use a separate account for unfamiliar apps, and reject anything you cannot understand.
A compact decision framework
| Question | If yes | If no or uncertain |
|---|---|---|
| Did you reach the dApp through an official, verified route? | Continue to inspect the wallet prompt. | Close the page and verify the route independently. |
| Does the full domain exactly match the intended project? | Check the wallet’s origin. | Do not connect. |
| Is the wallet asking only to connect? | Confirm the account and purpose. | Assess the message or transaction as a separate request. |
| Did you initiate the displayed action? | Read recipients, amounts, and permissions. | Reject it. |
| Can you explain every instruction and permission? | Decide whether the action is necessary and proportionate. | Reject it and investigate. |
| Are existing approvals or delegates still needed? | Keep only the permissions you understand. | Disconnect and review or revoke them separately. |
Bottom line for Solana users
Connect only after verifying the exact domain and origin through a trusted official route. Never provide recovery words or a private key. Treat connection, message signing, and transaction signing as separate decisions; read every prompt, verify recipients and permissions, and stop when the effect is unclear. Disconnect when finished, then review on-chain approvals because a connection removal alone may not revoke them.
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