Free lessons, plain-English money news, and business explainers for students, parents, teachers, and first-time crypto owners.
Start Lesson 1Read the Business DeskFour courses, taken in order. Each takes about 45 minutes and ends with a short quiz. Finish all four and you will know more than most people who own crypto.
Money, ledgers, and trust. Learn what a blockchain records and why no single bank runs it.
Beginner | 5 lessonsPublic keys, private keys, seed phrases. How to hold coins safely and what "not your keys" means.
Beginner | 6 lessonsOrder books, fees, volatility, and how to read a price chart without guessing.
Intermediate | 6 lessonsScams, regulation, record-keeping, and how gains are usually taxed. Ask a licensed professional for your case.
Intermediate | 5 lessonsFinance and business coverage explained the way a good teacher would. Evergreen explainers that stay useful after the headline fades.
Most exchanges earn from trading fees, the small percentage taken on each buy or sell. Others add revenue from listing fees, lending programs, custody services, and interest earned on customer balances. Knowing the business model tells you what a company is motivated to encourage, and that is the first question to ask about any financial product.
Homework: find the fee schedule of two exchanges and compare the cost of a $100 purchase.
Smaller markets, news-driven demand, and leverage all make digital coins more volatile than most stocks.
It depends on the country and the type of asset. Check your local regulator before you invest.
Coins designed to hold a steady value, often backed by cash or short-term bonds. Read who holds the reserves.
One can fall 30% in a month, the other pays interest. Different tools for different goals.
Compliance, security, accounting, data analysis, and product design all hire in this field.
Try a classroom experiment: what happens if you buy a fixed amount on a schedule (dollar-cost averaging) at an assumed yearly growth rate? This is a math exercise, not a forecast.
Try a negative growth rate to see how losses work. Real returns are never steady.
Three questions. No grades, just learning.
Tap a term to open it.
A shared record of transactions, grouped in blocks and linked in order so past entries are very hard to change.
A secret number that proves you own a wallet and lets you spend from it. Never share it.
A list of words that can restore your wallet. Anyone who has it controls your coins.
Price of one coin times the number of coins in circulation. It shows size, not safety.
How much and how fast a price moves up and down.
How easily you can buy or sell without moving the price much.
One email a week: a lesson, a money headline explained, and a scam to watch out for. Teachers can request free classroom handouts.