1. Bernard Madoff (USA) – $65 billion scam disguised as an investment fund.

2. MMM (Russia) – 1990s scheme that stole from over 40 million people.

3. OneCoin (Global) – A fake cryptocurrency empire worth $4 billion.

4. BitConnect – Promised 1% daily returns; vanished in 2018.

5. Forsage (Philippines) – Claimed to be “decentralized,” but was shut down by SEC.

6. PlusToken (China) – Crypto wallet scam, $3 billion stolen.

7. EmGoldex – Fake gold investment scheme.

8. Airbit Club – Crypto mining lie.

9. GainBitcoin (India) – Similar to BitConnect, thousands lost savings.

10. FutureNet (Europe) – “Social media business” that collapsed after recruitment stopped.

Every new version learns from the old — sleeker websites, better marketing — but the ending is always the same: collapse.