1p3a Question · Feb 2026 · Los Angeles

Crypto Order System

Question Details

Crypto Order System ## The Challenge You need to build a crypto trading order system. This system handles a flow of trading orders. You must be able to place, pause, resume, and cancel orders. F

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About This Question

This is a reported interview question from a coinbase interview for a swe role reported in 2025.

It covers the following topics: Hash Table, Heap, Strings, Sorting, System Design, Queue, Queue, Hash Table .

Difficulty rating: Easy