One type is a copy-paste of an existing coin with a few parameter tweaks or mostly meaningless change (like the PoW algorithm). Another type is a cash grab wher

One type is a copy-paste of an existing coin with a few parameter tweaks or mostly meaningless change (like the PoW algorithm). Another type is a cash grab where scammers write a buzz-word filled whitepaper with grandioseor bogus claims to raise money in an ICO and then only deliver some half-baked product or simply run off with the money.