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Design a Cryptocurrency Exchange Order Book
System DesignhardVery Common
order-bookmatching-enginereal-timetrading
Reported
10 times
Last seen
2026-03-22
First seen
2025-06-08
Active in
2025, 2026
Description
Design a high-performance order matching engine. Handle limit orders, market orders, partial fills, and real-time price updates.
Approach Tips
Use a price-time priority matching algorithm. Discuss data structures (sorted maps for price levels, queues per level) and how to handle partial fills.
Sources
Blind·SDE-3·2026-03-22
Glassdoor·Senior·2026-01-10
Reddit·SDE-2·2025-10-15
CB
Coinbase
Crypto/Fintech
Typically appears in: Onsite - System Design
60 min — Design a crypto/fintech system. Focus on security, consistency, and real-time data.