Coinbase Coding Interview Questions
We track 11 coding questions asked at Coinbase, tagged with the algorithms and concepts they test. The most common: Array, Hash Table, String, Design, Binary Search.
Browse all 11 Coinbase questions →Concept mix
Each question's weight is split evenly across its concepts, so the shares sum to 100%.
- Array19.8%
- String14.8%
- Hash Table13.9%
- Design8.3%
- Simulation6.5%
- Dynamic Programming5.6%
- Binary Search5.0%
- Breadth-First Search2.8%
- Depth-First Search2.8%
- Graph Theory2.8%
- Other (7)17.8%
How many questions involve each concept
Share of all 11 tracked Coinbase questions that touch each concept. Questions usually involve several, so these overlap.
- Array54.5%
- Hash Table36.4%
- String36.4%
- Design27.3%
- Binary Search18.2%
- Simulation18.2%
- Breadth-First Search9.1%
- Depth-First Search9.1%
- Dynamic Programming9.1%
- Graph Theory9.1%
- Linked List9.1%
- Math9.1%
Where Coinbase differs from the average company
Concept weight at Coinbase relative to the average across all companies we track. Green means Coinbase leans on it harder than most.
- Design6.4×
- Simulation3.8×
- Hash Table2.1×
- Binary Search1.7×
Coinbase specialties
Concepts that show up at Coinbase but are rarely asked elsewhere. They are easy to get blindsided by.
Difficulty mix
Level split of the 11 tracked Coinbase questions.
- Junior18% (2)
- Mid/Senior64% (7)
- Staff18% (2)
Every concept in Coinbase interviews
| Concept | Questions | % of questions | Share of mix |
|---|---|---|---|
| Array | 6 | 54.5% | 19.8% |
| Hash Table | 4 | 36.4% | 13.9% |
| String | 4 | 36.4% | 14.8% |
| Design | 3 | 27.3% | 8.3% |
| Binary Search | 2 | 18.2% | 5.0% |
| Simulation | 2 | 18.2% | 6.5% |
| Breadth-First Search | 1 | 9.1% | 2.8% |
| Depth-First Search | 1 | 9.1% | 2.8% |
| Dynamic Programming | 1 | 9.1% | 5.6% |
| Graph Theory | 1 | 9.1% | 2.8% |
| Linked List | 1 | 9.1% | 2.8% |
| Math | 1 | 9.1% | 2.2% |
| Prefix Sum | 1 | 9.1% | 2.2% |
| Queue | 1 | 9.1% | 2.8% |
| Randomized | 1 | 9.1% | 2.2% |
| Topological Sort | 1 | 9.1% | 2.8% |
| Trie | 1 | 9.1% | 2.8% |
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