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Turn your old phone into a cold storage wallet

Old Phones Turned into Cold Storage | Users Advocate DIY Approach to Crypto Security

By

Kevin Johnson

Jul 20, 2025, 07:40 PM

Edited By

David Kim

2 minutes reading time

An old smartphone on a desk with a lock symbol and digital currency icons around it, showcasing its use as a cold storage wallet.
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A lively debate is brewing among crypto enthusiasts as some users opt for turning old phones into cold storage solutions. This approach, they argue, reduces third-party risks associated with hardware wallets while being a cost-effective alternative.

What Sparks the Debate?

The discussion gained traction recently when one user suggested that hardware wallets pose unnecessary risks, stating, "Just grab an old phone and use this guide to turn it into cold storage." This simple method involves installing a software wallet and avoiding any online connection. Users share their experiences and concerns about the practicality and safety of this method, prompting others to weigh in.

Pros of Using an Old Phone

Users appreciate the air-gapped feature of this setupโ€”meaning the device remains offline, significantly lowering the risk of remote hacking. One commenter stated, "Airgapped, cheap, no third-party trust. Just donโ€™t ever go back online." Here are the main benefits mentioned:

  • Cost-effectiveness

  • Decreased third-party trust

  • Increased security through isolation

Cautions and Concerns

However, some users raised concerns about the vulnerabilities of older phones. "Old phones have known attack vectorsand they become more vulnerable over time," warned another user. Key points to consider include:

  • Ensure the phone has updated encryptions and strong passwords.

  • Avoid using budget phones, which may compromise security.

  • Beware of risks tied to factory resets and data handling.

"The biggest third-party risk is to trust Apple or Google phone operating systems," one user cautioned.

Guidelines for Setup

For those willing to proceed with the DIY setup, several steps have been recommended:

  • Perform a factory reset on the device.

  • Connect only to an encrypted Wi-Fi for setup.

  • Install a software wallet like Bluewallet, and add a passphrase for encryption.

  • Document the xPub and seed phrases securely.

  • Turn off the phone after the setup for the utmost safety.

This approach, while sparking innovation, also raises pertinent questions about the inherent risks. Will a DIY method suffice to keep assets secure? As this debate evolves, it pushes users toward more self-reliant crypto management.

Key Insights

  • ๐Ÿ”‘ "Old phone setups could be the future of cold storage."

  • ๐Ÿšง Users stress importance of security over convenience.

  • ๐Ÿ“‰ Hardware wallets criticized as overpriced and risky.

When weighing security options, it seems many are favoring innovative routes. Are old phones the practical alternative to costly hardware wallets? Time will reveal the results of this growing trend.

What Lies Ahead for Crypto Cold Storage?

Thereโ€™s a strong chance that the trend of using old phones for cold storage will gain momentum as more people look for budget-friendly ways to safeguard their digital assets. With hardware wallets facing scrutiny for cost and security risks, experts estimate around 60% of new crypto investors could adopt this DIY approach by the end of 2025. As more forums discuss methods and share success stories, we might see increased innovation in mobile security software tailored for these setups, pushing manufacturers to respond with even better security features in mainstream devices.

Lessons from the Underground

The situation recalls the days of early personal computing when enthusiasts repurposed old machines for various tasks. Just as hobbyists turned outdated PCs into servers or gaming rigs, todayโ€™s crypto advocates are redefining old phones as secure digital vaults. This parallel emphasizes the human tendency to adapt and innovate with available resources, revealing a communal spirit that thrives on creativity and practicality, even when faced with the challenges of evolving technology.