Each blockchain can have one coin on it. The blockchain is like an exchange (like the Nasdaq stock exchange) with its coin being the currency of the exchange. Tokens are like stocks that can trade on this exchange. In reality. they are defined in terms of the coin of the exchange. Their trading on the exchange increases the demand on the coin. Tokens can come with dividends or other benefits. Coins are not meant to have any benefits other than their potential appreciation.
A 2019 report to the EU suggested that 78% of all cryptocurrency offering are fraudulent scams. This is a staggering amount. Out of the remaining 22%, 7% are succesful and 3% are promising whilist 7% fail or die, 4% dwindle as seen in the figure to the side. (Group, 2019) However, out of the successful 7% users have seen profits that should they would have still made money.