- Replace
'YOUR_PRIVATE_KEY_OR_MNEMONIC' with your actual Ethereum wallet's private key or mnemonic phrase. - For the Infura method, replace
'YOUR_INFURA_PROJECT_ID' with the Infura Project ID you received when you created your Infura account.
> Important: Keep your private key secure. Never share it publicly or commit it to version control. For better security, consider using environment variables to store sensitive information like private keys.