The Vibe: Digital money that works without banks or governments controlling it.
The Details: Crypto is money created and moved using computers and strong math (cryptography) on networks anyone can join. No single company or person runs it—instead, thousands of computers worldwide keep the records honest and secure. You can send it to anyone, anywhere, fast and cheap. Bitcoin was the first in 2009, and now there are thousands of different ones for all kinds of uses.
Pro Tip: Start small, learn how to keep your coins safe (use a good wallet and 2FA), and never invest more than you can afford to lose. Crypto can go up a lot, but it can also drop hard.