Three Big Crypto Scam!

BitConnect. BitConnect was a cryptocurrency exchange that offered high-interest rates on bitcoin deposits. However, the company was later accused of running a Ponzi scheme, and its founders fled with an estimated $4 billion in investor funds.

OneCoin. OneCoin was a multi-level marketing (MLM) cryptocurrency that promised high returns to investors. However, it was later revealed to be a Ponzi scheme, and the company's founders disappeared with an estimated $25 billion in investor funds.

BitClub Network. BitClub Network was a mining pool that promised investors high returns on their mining investments. However, the company was later accused of being a scam, and its founders were arrested. An estimated $722 million in investor funds were lost.