Crypto & Digital MoneyCrypto Security

Keys and Wallets

Whoever holds the key holds the coins

Forget your bank password and a phone call fixes it. Forget twelve crypto words, and how long until your coins come back?

You'll find out

  • What a crypto wallet really holds
  • How long guessing a key would take
  • Why twelve words are worth guarding

Why it matters

No bank stands behind a crypto key. Knowing what that means shows the trade before anyone makes it.

About 3 min6 interactive slides · 5 questionsLesson 122 · Zone 14

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More in this zone

  1. 118CryptocurrencyMoney Without a BankBitcoin moves value with no one in the middle
  2. 119BlockchainThe Shared NotebookA blockchain is a record everyone keeps a copy of
  3. 120Crypto HistoryNobody Knows Who Made BitcoinIts creator vanished and left a fortune untouched
  4. 121Bitcoin SupplyWhy Only 21 MillionA money supply fixed in code
  5. 123HindsightThe 10,000-Bitcoin PizzaIn 2010 a programmer bought two pizzas with coins later worth hundreds of millions
  6. 124Crypto PrivacyCrypto Is AnonymousEvery bitcoin payment is public forever
  7. 125HerdingFear of Missing OutWatching others get rich makes us forget the risks
  8. 126Crypto HistoryThe Coin That Started as a JokeDogecoin was created to make fun of crypto