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Design a Hot/Cold Wallet System
System DesignhardCommon
walletcustodysecuritycrypto
Reported
6 times
Last seen
2026-03-15
First seen
2025-08-15
Active in
2025, 2026
Description
Design a cryptocurrency custody system with hot wallets for quick access and cold storage for security. Handle signing, approvals, and rebalancing.
Approach Tips
Discuss hot wallet limits and automatic rebalancing thresholds. Cover multi-sig for cold storage, HSM integration, and approval workflows for large withdrawals.
Sources
Blind·Staff·2026-03-15
Glassdoor·SDE-3·2025-10-28
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.