$BTC world where investments promise high returns, Ponzi schemes emerge as a disguised danger.

- **Objective:** Alert readers about how they operate, identify warning signs, and avoid falling into them.

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What is a Ponzi scheme?**

- **Definition:** A fraudulent scheme that pays "profits" to old investors with the money from new participants, without any real economic activity.

- **Origin:** Named after Charles Ponzi (1920), who defrauded millions with international postal coupons.

- **Key:** Survives as long as there are new investors; collapses when the flow stops.

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*How do they work?**

1. **Attraction:** Offer exceptional returns

2. **Illusion of success:** Timely initial payments to build trust.

3. **Recruitment:** Incentivize investors to bring more people.

4. **Collapse:** When there are no new funds, the system collapses.

5. Historical examples**