The spread is the difference between the bid price and the ask price. A bid is a buy order, where you sell the base currency, and an ask is a sell order, where you buy the base currency. Base currency is the first currency in the pair.
The spread is one of the key costs in trading, including cryptocurrency trading. FBS broker offers competitive crypto spreads and fast order execution for convenient crypto trading. So if you are looking for a cryptocurrency broker, consider trying FBS.