C

Cypherrock Wallet

C++ Developer

Interview Date

January 2026

Result

Rejected

Difficulty

Hard

Rounds

02

Drive Type

Off-Campus

Topics asked

CryptographyNetworkingSSL

Detailed experience

Application & Selection Process ∙ Applied for the role through the company’s career portal. ∙ Within a week, received an email confirming shortlisting for the first round. Round 1: Project Assignment ∙ Assigned a project involving development of a cryptography based solution, specifically focusing on range proof algorithms for a client server setup. ∙ Given a timeline of one week to complete the task. ∙ Successfully designed, implemented, and tested the solution. ∙ Hosted the complete project on GitHub with proper documentation. ∙ Outcome: ∙ Received positive feedback on the project. ∙ Shortlisted for the next round based on the submission. Round 2: Technical Discussion ∙ Participated in a detailed discussion to explain: ∙Project architecture and design decisions ∙ Cryptographic concepts used ∙ Implementation details and trade-offs Confidently presented the project and addressed all questions. Feedback during the interaction appeared positive and encouraging. ∙ Outcome: Despite a strong discussion, was informed by HR that I was not selected for the final round.

Posted on - 2 Apr 2026
CypherRock Wallet Interview Experience - C++ Developer | OAHelper