OA Coin EconomyEarn coins. Spend them.
Earn coins. Spend them.
Climb the ladder.
Ways to earn8 active
Daily login
Solve a question
Solve QOTDToday
Streak bonus
After 7-day streakRefer a friend
Per referralShare in the data
Approved onlyEarn a badge
Per badge unlockedTier LadderYou're Bronze — 100 coins to next tier
View leaderboard 🥉Bronze
🥈Silver
🥇Gold
💎Platinum
👑Diamond
Streak reminderDon't lose your streak.
Don't lose your streak.
It's worth more than coins.
47 days takes a while to build. Sign in to learn today's problem and don't let time remind you 24 minutes before reset.