Exchange operations are divided into two categories:

Exchange counter operations (one-step)

These operations are single-step and are mostly used when your exchange is a counter. This means having an exchange counter where the customer can go and have their exchange done in one step. Like the examples below:

Money transfer (remittance) operations (Three steps)

When a customer wants to transfer currency to someone or wants to buy or sell currency in person. Which is usually done in three steps.