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What are the Biggest Ponzi Schemes in Crypto? How to Avoid a Ponzi Scheme?

By Martha Grizzard
Sep 24, 2025
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This article is about what are the biggest ponzi schemes in crypto. Cryptocurrency has unfortunately been associated with several high-profile Ponzi schemes and fraudulent schemes over the years. Ponzi schemes are fraudulent investment schemes that promise high returns to earlier investors, but instead of generating legitimate profits, they use funds from new investors to pay returns to earlier participants.

What are the Biggest Ponzi Schemes in Crypto?

Legitimate cryptocurrencies and blockchain projects do exist, but scams and fraudulent schemes are also prevalent in the space. Ponzi schemes eventually collapse when there are not enough new investors to sustain the payouts. Here are some of the biggest Ponzi schemes in the crypto space:

1. BitConnect: BitConnect was one of the most notorious cryptocurrency Ponzi schemes. It operated as a lending platform that promised enormous returns to investors who bought its native token, BitConnect Coin (BCC). The platform's operators encouraged users to lend their Bitcoin in exchange for BCC tokens. BitConnect's unsustainable business model eventually led to legal action by regulators, and the platform abruptly shut down in 2018.

2. OneCoin: OneCoin was a cryptocurrency scheme that claimed to be a legitimate digital currency but was later exposed as a massive Ponzi scheme. Its founder, Ruja Ignatova, disappeared in 2017. and the scheme collapsed. Authorities worldwide have been pursuing legal action against those involved in the scam.

3. PlusToken: PlusToken was a cryptocurrency wallet and investment platform that operated primarily in Asia. It promised high returns on investments and lured in millions of users. However, it was revealed to be a Ponzi scheme, and its operators were arrested by law enforcement in 2019. It is estimated that PlusToken fraudulently obtained billions of dollars worth of cryptocurrencies from participants.

4. GAW Miners and ZenMiner: GAW Miners and ZenMiner, operated by Josh Garza, were involved in a Ponzi scheme that sold mining hardware and cloud mining contracts. Garza promised guaranteed returns on investments but failed to deliver. He was eventually charged and pleaded guilty to wire fraud.

5. MMM Global: While not exclusive to cryptocurrency, MMM Global was a global Ponzi scheme that incorporated Bitcoin in its operations. It promised extraordinary returns to participants and used Bitcoin as a means of transferring funds. It collapsed in the late 2010s.

How to Avoid a Ponzi Scheme?

To safeguard yourself from falling victim to a Ponzi scheme, it's essential to take several precautions:

Conduct thorough research: Before investing in any opportunity, it's crucial to conduct extensive research. Gain a comprehensive understanding of the investment, its structure, and the potential risks involved.

Be cautious of unrealistic promises: Be on guard when you encounter investment opportunities that promise exceedingly high returns with little or no associated risk. If an opportunity appears too good to be true, exercise caution.

Watch out for recruitment-focused schemes: Ponzi schemes often involve recruitment-based models, where investors are encouraged to bring in new participants. Be skeptical of any investment that heavily relies on recruitment.

Only invest what you can afford to lose: Avoid investing money that you cannot afford to lose. Ponzi schemes often prey on individuals who are seeking quick returns, so it's essential to invest sensibly and within your financial means.

Stay vigilant: If you suspect that you have become a victim of a Ponzi scheme, take immediate action by reporting it to the relevant authorities or regulatory agencies.

Bottom Line

In this article, we have discussed what are the biggest ponzi schemes in crypto. It's crucial for individuals interested in cryptocurrencies to exercise caution, conduct due diligence, and be skeptical of investment opportunities that promise unrealistically high returns.

Disclaimer: The information on this page may have been obtained from third parties and does not necessarily reflect the views or opinions of BitKan. This content is provided for general informational purposes only, without any representation or warranty of any kind, nor shall it be construed as financial or investment advice. BitKan shall not be liable for any errors or omissions, or for any outcomes resulting from the use of this information. Investments in digital assets can be risky. Please carefully evaluate the risks of a product and your risk tolerance based on your own financial circumstances. Products mentioned in this article may not be available in your region.

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