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Cold Storage Best Practices for Large Holdings
Practical considerations for securing significant, longer-term crypto holdings offline.
6 min readPublished 2026-09-28
Key takeaways
What to remember
- Larger holdings generally warrant stronger, more deliberate security measures.
- Hardware wallets and multisig setups are common approaches for significant holdings.
- Geographically separated, protected backup storage reduces single-point-of-failure risk.
- Testing the actual recovery process is meaningfully more reliable than assuming it works.
Why larger holdings warrant extra care
As the value held grows, the practical case for stronger, more deliberate security measures grows with it — the convenience trade-offs acceptable for a small, actively-used balance may not be appropriate for significant, longer-term holdings.
Practical considerations
- Using a hardware wallet (or multiple) rather than a software-only hot wallet for significant holdings.
- Considering a multisig setup so no single device or location represents a single point of failure.
- Storing seed phrase backups in secure, geographically separated locations, protected against both theft and physical damage (fire, water).
- Periodically testing the recovery process with a small amount before fully relying on a setup for significant value.
Common mistake
An untested recovery process is not a verified backup
A backup you've never actually tested recovering from carries real, unverified risk — confirming a recovery process actually works, ideally with a small test amount first, is a meaningfully different level of assurance than assuming it will.
What to remember
- Larger holdings generally warrant stronger, more deliberate security measures.
- Hardware wallets and multisig setups are common approaches for significant holdings.
- Geographically separated, protected backup storage reduces single-point-of-failure risk.
- Testing the actual recovery process is meaningfully more reliable than assuming it works.