Digital currency scams are unfortunately becoming more common as the popularity of cryptocurrencies such as Bitcoin, Ethereum, and Litecoin continues to grow. These scams can take many forms, from fake investment schemes to fraudulent exchanges. Here are some recent cases of digital currency scams:

1. OneCoin: One of the biggest digital currency scams in recent years, OneCoin was a Ponzi scheme that claimed to be a legitimate cryptocurrency but was ultimately revealed to be a scam. The founders of OneCoin were charged with fraud and money laundering, and investors lost billions of dollars.

2. BitConnect: BitConnect was a lending platform that promised high returns on investment in exchange for lending out Bitcoin. However, it was revealed to be a Ponzi scheme, and the platform ultimately collapsed, leaving investors with significant losses.

3. PlusToken: PlusToken was a cryptocurrency wallet and exchange that promised high returns on investment. However, it was later revealed to be a Ponzi scheme, and the founders were arrested in China. Investors lost billions of dollars in the scam.

4. BitClub Network: BitClub Network was a mining pool that promised high returns on investment in Bitcoin mining. However, it was later revealed to be a Ponzi scheme, and the founders were charged with fraud. Investors lost millions of dollars in the scam.

5. Exit scams: In recent years, there have been numerous cases of digital currency exchanges and wallets suddenly shutting down and disappearing with investors' funds. These exit scams have resulted in significant losses for investors who trusted these platforms with their money.

As digital currencies continue to gain popularity, it is important for investors to be cautious and vigilant when investing in cryptocurrencies. It is essential to do thorough research on any platform or investment opportunity before committing any funds, and to be wary of any promises of high returns or guaranteed profits. By being informed and cautious, investors can protect themselves from falling victim to digital currency scams.