Bitcoin lets people send bitcoin to each other without a bank in the middle. Thousands of computers keep and check the same public record of those transactions. Those computers burn electricity to secure Bitcoin and earn new bitcoin — basically turning electricity into money. Many tokens, stablecoins, and custodial products are not like Bitcoin. Crypto can be useful, confusing, and risky. We explain the words, the traps, and how it works so you can decide for yourself.
Risks includedEvery lesson names what can go wrong
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01
What is crypto?
Bitcoin lets people send bitcoin to each other without a bank in the middle. Thousands of computers keep and check the same public record of those transactions. Those computers burn electricity to secure Bitcoin and earn new bitcoin — basically turning electricity into money. Many tokens, stablecoins, and custodial products are not like Bitcoin.
Bitcoin is one specific network. A blockchain is a shared record. A coin, here, is the native unit of a network (bitcoin, ether), not a token on someone else’s chain.