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Choosing between 24 word bip39 or 20 word slip39 seedphrases

Users Split on Seed Phrase Choices | BIP39 vs. SLIP39

By

Keiko Tanaka

Oct 23, 2025, 01:34 AM

Edited By

Clara Schmidt

2 minutes needed to read

A side-by-side comparison of 24-word Bip39 and 20-word Slip39 seedphrases on a digital screen.
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A recent discussion among crypto enthusiasts reveals a sharp divide on seed phrase preferences for wallet security. The choice between 24-word BIP39 and the 20-word SLIP39 raises questions about compatibility, user support, and future-proofing.

Core Preferences in Seed Phrases

As people increasingly value their digital assets, the debate on which seed phrase standard to adopt gains momentum. Many prefer BIP39, citing broader wallet compatibility and proven reliability. "BIP39 for the larger support amongst wallets" highlighted one perspective, echoing a sentiment shared by several others.

Conversely, some express enthusiasm for SLIP39 due to its potential for easier multi-shared backups. A participant mentioned, "The possibility to upgrade to multi-share backup is a big bonus," revealing a desire for innovation amidst robust options.

Despite the growing interest in SLIP39, its adoption remains limited. This imbalance creates a tension between the conventional wisdom of BIP39 and the evolving capabilities of SLIP39. As one user put it, "BIP39 all day long. Peace of mind."

Key Themes from the Discussion

  1. Compatibility vs. Innovation: BIP39’s extensive wallet support is a major appeal. However, SLIP39's promise of upgrades sparks intrigue.

  2. User Experience: Many say they only had access to BIP39, which raises questions about accessibility.

  3. Future Predictions: Some believe support for SLIP39 could grow, but traditionalists remain skeptical.

Voices from the Community

"Consensus is that it has the most compatibility with other hardware and software wallets."

Many users express a clear preference for BIP39, reinforcing its established position in the crypto community. In contrast, a few see value in opting for newer technology that might develop further. Most comments lean toward favoring BIP39 as the gold standard, fueling debate on the topic.

What’s Next?

People continue to evaluate these standards. As digital assets grow, which seed phrase will dominate? The timeline for broader SLIP39 support remains uncertain but optimistic, suggesting ongoing conversation.

Insights to Consider:

  • πŸ” BIP39’s compatibility earns acclaim, with multiple users praising its reliability.

  • πŸ“ˆ SLIP39’s innovative features spark enthusiasm, though evident support lag exists.

  • πŸ’¬ "The question is largely just pick your favorite wallet," suggests an observer, noting expected shifts.

Forecasting the Seed Standard Landscape

There’s a strong chance that as people increasingly lean towards holding digital assets, BIP39 will continue to dominate due to its established compatibility with most wallets. Experts estimate that around 70% of current users will stick with BIP39, valuing its security and reliability. However, as technological innovations unfold, SLIP39 may see increased adoption, especially if wallet developers start integrating its features for multi-shared backups. Expect a gradual shift, with a possible 30% of newer wallets adopting SLIP39 by the end of 2026, as more users seek advanced security solutions and flexibility in managing their assets.

A Historical Echo in Innovation

Consider how the introduction of compact discs in the 1980s reshaped the music industry, shifting away from vinyl. This transition faced resistance, as many loyal listeners preferred the familiar sound of vinyl records. Yet, over time, as CD technology improved and offered clear advantages, the music scene transformed. Today, people rarely look back, much like the crypto community's current dilemma between BIP39 and SLIP39. Just as compact discs heralded a new era of sound quality and accessibility, SLIP39 may one day redefine how we safeguard our digital treasures, provided it can effectively demonstrate its benefits to the skeptical traditionalists.