A Growth account is an account where you can earn interest.
A Transaction account is a non-interest-bearing account for adding and withdrawing assets, and managing your Ledn products and services like Loans, Trade, Transfer and DCNs. Transaction account assets are primarily held in cold storage. Your Transaction account is where you can add assets to your Growth account, and the destination for assets you withdraw from your Growth account.You can switch between Growth and Transaction accounts at any time.
Please note that starting July 1st, BTC and ETH Growth Accounts will stop earning interest.