How Yu works
What you earn for work you do, and spend in the store.
Coins are the spendable side of Yu. Activities, weeks and lessons pay them out, and the store is where they go.
They measure effort, not understanding. Nothing you learn is gated behind them.
Also called: currency, money, wallet.
Badge not earned yet
This one is earned by reaching it in Yu itself, not by reading about it.
Where you meet it in Yu
The counter at the top of your dashboard.
Read next
26 terms in the guide. Nothing here is gated.