The spread is the difference between the buy and sell prices quoted for a cryptocurrency. Like many financial markets, when you open a position on a cryptocurrency market, you’ll be presented with two prices. If you want to open a long position, you trade at the buy price, which is slightly above the market price. If you want to open a short position, you trade at the sell price – slightly below the market price.
Unlike the money you save in a bank insured by the Federal Deposit Insurance Corporation (FDIC), “If a virtual currency company fails – and many have – the government will not cover the loss,” the Consumer Financial Protection Bureau warned in a 2014 notice about cryptocurrency (its most recent guidance).

And that, we regret to inform you, has led to some rather silly thinking (highly unusual in the crypto community, we know), specifically of the chart-crime variety:
Laith Khalaf, financial analyst at investment platform AJ Bell, previously told The Sun that although long-term investment is encouraged, SafeMoon "doesn't sound too different from a pyramid selling scheme".