No, you only need to approve Sandwich as an integrator once per account. Sandwich will then be approved as an integrator until our integrator approval expires or you revoke our integrator approval. You can revoke integrator approval at any time.
No. Message signing cannot move assets. Only blockchain transactions that you explicitly approve can transfer funds.
Signing is more secure. It proves ownership of your wallet cryptographically, eliminating weak passwords and reducing phishing risks.
No. Your private key remains inside your wallet. Lighter only receives the signed message, never your private key.
You are signing a human-readable message that proves wallet ownership. Lighter does not ask you to sign anything that gives permission to move funds.
Your wallet prompts you to sign so Lighter can confirm that you are the owner of the connected wallet. This prevents unauthorized access and helps protect your account.
Approving Sandwich as an integrator allows for all application fees to be replaced by integrator fees on all Lighter trades. Lighter requires your approval to do this.
No. Signing = proof of identity (safe, no gas). Approving a contract = giving permission to spend tokens (not used for login).
If you reject it, you simply won’t be able to log in or perform certain actions. No harm is done.
Try these fixes: disconnect and reconnect your soft wallet, clear your browser cache, ensure the wallet extension is updated, and switch networks back and forth. If the problem persists, restart your browser.
Yes. If your Ledger or Trezor is connected through a supported wallet application, you can sign authentication messages using that device.
This is normal—the soft wallet is asking you to confirm the login/auth request. Just check the message contents and click Sign if everything looks correct.
Make sure your wallet is set to the correct network. Then refresh the page, reconnect, and ensure your browser isn’t blocking any pop-ups.
Yes. Message signing only verifies ownership.You are not granting spending permissions or approving smart contracts.
No. The signing process is completely gas-free. You are only signing a message, not submitting a blockchain transaction.