To connect a journal account to an exchange, you create a read-only API key. Using such a key, it is impossible to do anything other than download the trading history. Your money is safe!
No, you can use a free account with no time limit. When you decide you need more features, you can upgrade to a paid account.
To get started, you need to have an account on the exchange, create a read-only API key and connect it to the Trader's Diary. We support Binance (spot & futures), ByBit (spot & futures) and BitGet (linear futures).