const { API_URL, PRIVATE_KEY } = process.env;

module.exports = {
  solidity: "0.7.3",
  defaultNetwork: "sepolia",
  networks: {
    hardhat: {},
    sepolia: {
      url: API_URL,
      accounts: [`0x${PRIVATE_KEY}`]

1 Answer 1


private keys do not start with 0x, public keys are the keys that start with 0x in EVM chains.

You must provide a private key, not a public one.

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