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Yes, it is possible to sign transactions in the browser and send them to your backend server. The web3.js library provides a method called eth_signTransaction which will allow you to sign the transact

Yes, it is possible to sign transactions in the browser and send them to your backend server. The web3.js library provides a method called eth_signTransaction which will allow you to sign the transaction and generate a signature. You can then send the signed transaction to your backend server which can submit it to the blockchain.