You can replenish your balance on the platform with tokens only in the desktop version of the https://main.community website through the Google Chrome browser. To do this, you need to have an Ethereum or BSC address with ETH/BNB and MAIN tokens in your account, connected to the Metamask crypto wallet extension for Google Chrome.
You need to login to the site https://main.community, click on your profile in the header of the site and select Add funds in the drop-down menu. Further, following the instructions, you will need to connect Metamask to the site, give permission to the site to interact with your MAIN tokens, select the deposit amount and confirm the transaction in Metamask. After the transaction is confirmed by the network, the tokens will be credited to your account on the platform.