They make money off the spread on exchanges. Exact same principle as Forex “no fees” - it’s the difference between buy/sell rates.
On the OTC side (which I guess you’re referring to?, CB sets their own spread , which makes it more akin to a fee. Even if CB is technically correct saying “0 fee”, they can still charge any price they want for buying vs selling.
On the OTC side (which I guess you’re referring to?, CB sets their own spread , which makes it more akin to a fee. Even if CB is technically correct saying “0 fee”, they can still charge any price they want for buying vs selling.