The MITH migration on Binance Chain will begin tomorrow, April 25th at noon (UTC+8) at Binance.com. Deposits and withdrawals of MITH on Binance will be disabled during the migration period. Trading will continue during this time.
Process for the migration will be the same as the BNB Mainnet Swap described here. ERC20 versions of MITH held in private ETH wallets or on other exchanges will not be impacted.
To learn more about how to use the Binance DEX, please see the Binance Academy tutorial here.