To enter the merchant hashnut and then create an order, you need to go through at least the following processes:

• Log in
• Create a smart contract
• Create an API key

1.1 Using the environment

HashNut is a payment system completely based on web3. Merchants only need to have common wallets to use it, Currently, HashNut supports public chains such as eth, bsc, tron, polygon, etc. Merchants need to install browser plugins before using the merchant system. For eth, bsc, polygon, and other public chains, Merchants need to install the MetaMask plugin, while if merchants need to use tron, they need to install the TronLink plugin