Exercise 4 · 14 min

Exchange Wallets vs Your Own

Time: 15 to 20 minutes · You'll need: a calculator or paper · Builds on: Lesson 4

Warm-up

Check yourself

An exchange halts withdrawals and files for bankruptcy. What do its customers hold?

Check yourself

What turns a lost phone into a lost wallet?

Sign in to keep reading. It is free.

Stage 1, Foundations, is free with your email. We send you a sign-in link; there is no password.

Sign in with email