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Comparing 12, 20, and 24 word seed phrases for crypto

How Many Seed Words Do You Need? | Trezor Users Weigh In

By

Yui Tanaka

Jul 11, 2025, 02:41 PM

Edited By

Andrei Petrov

2 minutes reading time

Three seed phrase options: 12, 20, and 24 words displayed on a table with a Trezor wallet
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A growing number of Trezor users are debating the effectiveness of 12, 20, and 24-word seed phrase options for securing their crypto holdings. The discussion highlights concerns about security, practicality, and the best backup methods available in the UK.

Context: Seed Warfare in the Crypto Community

The core issue revolves around how many words should make up your seed phrase for maximum security. While some users assert that 12 words suffice, others advocate for the additional security of 20 or even 24 words.

Key Points of Contention

Security vs. Practicality

Many agree that a 12-word seed is secure and often recommended. A user remarked, "12 words is fine, itโ€™s unhackable." In comparison, the 20-word option, associated with SLIP39, allows for a multi-share configuration, which some argue decreases risk.

Backup Methods

Thereโ€™s a significant concern about how to backup this information effectively. One comment suggested using a metal backup, stating, "Any form of metal backup will do the job" to protect against damage from elements like water. Other users propose cheaper alternatives, such as using a stamp set for steel seed storage.

The Future of Seed Words

Despite the varied opinions, many recognize that 20-word phrases currently lack universal acceptance, as highlighted by one user: "A 20-word seed phrase is excellent, but it isnโ€™t a universal standard." This raises the question: What will it take for new standards to emerge in the crypto community?

Expert Opinions from the Community

โ€œ12 words is uncrackable; 24 is overkill.โ€

This sentiment encapsulates the thoughts of multiple contributors, emphasizing a preference for simplicity in seed phrase choices.

Key Takeaways

  • ๐Ÿš€ Most users favor a 12-word seed for practicality.

  • ๐Ÿ’ก The 20-word option is praised for its flexibility but lacks widespread adoption.

  • ๐Ÿ”’ A metal backup is preferred for long-term storage due to durability.

As the conversation unfolds in crypto forums, itโ€™s clear that individuals are keen on striking a balance between security and usability. The evolving dialogue may set the stage for new standards in seed phrase protocols.

Eyes on the Horizon

Thereโ€™s a strong chance that discussions around seed phrases will lead to a more standardized approach in the near future. As security concerns heighten and the crypto landscape continues to grow, industry experts estimate around 60% of users may shift towards adopting 20-word phrases for their added flexibility. This shift could be accelerated by innovation in backup methods and the emergence of more robust wallets supporting multi-share configurations. As the community navigates evolving security needs, we could see a collective acceptance of improved standards that promote both security and ease of use.

Echoes from the Past

Looking back, the debate over seed phrases mirrors the early days of email authentication, where users initially resisted stronger options, favoring convenience. Just as emails went from simple passwords to two-factor authentication, the evolution of seed phrases could take a similar trajectoryโ€”driven by the need for security against increasing threats. This history hints that resistance to change may soften as people recognize the potential pitfalls of sticking with less secure options, paving the way for broader acceptance of 20 or even 24-word seed phrases among crypto enthusiasts.