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Crypto Comet lesson

What Is Cryptocurrency?

Digital money on a blockchain: how it works, why prices swing, what stablecoins are and how to spot crypto scams.

Junior 4+Explorer 8+Advanced 13+15 minutes

Nova, the Wealthonauts investing explorer

What is cryptocurrency? For kids and teens, it is one of the most talked-about money topics online, and also one of the most confusing. In this Crypto Comet lesson, Nova explains how crypto works, why its prices swing so much and how to protect yourself from scams.

What is cryptocurrency for kids of every age?

Ages 4 and up learn that some money is only on computers. Ages 8 and up explore blockchains, wallets and why crypto prices move. Ages 13 and up study private keys, stablecoins, regulation, taxes and scams. Each level ends with a quiz and a summary.

Nova explains what is cryptocurrency for kids

Learning, not trading

Wealthonauts never asks kids to buy, sell or hold crypto. Crypto exchanges generally require adult users, and crypto can lose value quickly. Instead, this lesson builds the understanding young people need to ask smart questions later.

How to use this lesson at home or in class

Start with the level that matches your learner, then try the next level up when they are ready. For example, a family can read the Junior story together, while an older sibling works through the Advanced version. Because every level covers the same topic, this what is cryptocurrency for kids lesson works well for mixed-age groups, homeschool co-ops and classrooms. Finally, the quiz shows what stuck, and the summary makes a quick review the next day.

Take this lesson

Lessons are taken inside the Wealthonauts courses, where your child’s progress and quiz scores are tracked. Pick the course for your child’s age.

Goldie, the Wealthonauts money history companion

Junior Course · Ages 4+

Computer coins

  • Know that some money lives only on computers
  • Know that grown-ups must keep computer money safe
  • Know to ask a grown-up before buying anything online
See the course · All-Access
Captain Coin, the Wealthonauts mission leader

Explorer Course · Ages 8+

Blockchains, wallets and wild prices

  • Explain what a blockchain is
  • Describe what a crypto wallet does
  • Explain why crypto prices are risky
See the course · All-Access
Nova, the Wealthonauts investing explorer

Advanced Course · Ages 13+

Keys, stablecoins, rules and scams

  • Explain how public and private keys work
  • Compare volatile crypto, stablecoins and a central bank digital currency
  • Identify common crypto scams and red flags
See the course · All-Access
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Editorial source notes
  • Bitcoin white paper (Satoshi Nakamoto, 2008); Bitcoin network launched January 2009; protocol limit of 21 million bitcoins.
  • GENIUS Act (Guiding and Establishing National Innovation for U.S. Stablecoins Act), signed July 18, 2025: federal framework for payment stablecoins, reserve backing with liquid assets and monthly reserve disclosure.
  • 21st Century ROAD to Housing Act (enacted July 2026): prohibits the Federal Reserve from issuing a publicly available retail CBDC through 2030.
  • Federal Trade Commission consumer guidance on cryptocurrency scams; IRS guidance that digital assets are treated as property for tax purposes.

This lesson is awaiting expert editorial review.

Wealthonauts lessons explain how financial systems work. They are educational, not financial or legal advice. Laws differ between states and countries.