The amount of transactions that can take place is unlimited, and even though there is a maximum of 2.1 million coins, each coin is divisible to 8 decimal places

The amount of transactions that can take place is unlimited, and even though there is a maximum of 2.1 million coins, each coin is divisible to 8 decimal places, giving 2.1 quadrillion units of currency. Also, mining won't be completed this century, although the rate at which coins are generated decreases over time.