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Le support de Keystone pour une meilleure sauvegarde de Shamir arrive.
Bientôt, vous pourrez importer votre phrase SLIP-39 d'autres portefeuilles directement dans votre Keystone 3 Pro.
Si vous êtes nouveau dans cette fonctionnalité, voici pourquoi cela est important et comment cela peut élever votre sécurité à un niveau supérieur.
2/
SLIP-39, développé par SatoshiLabs, combine le partage secret de Shamir avec des listes de mots mnémotechniques.
Cela signifie que votre sauvegarde reste lisible par l'homme tout en gagnant en force cryptographique, en structure et en flexibilité.
3/
La plupart des portefeuilles vous donnent encore une seule phrase de récupération de 12 ou 24 mots.
Ce qui conduit finalement à un point de défaillance unique.
Vous la perdez ? Ou vous la divulguez ? Fonds disparus,
Vous ne pouvez pas la diviser en toute sécurité. Tout ce que vous pouvez faire, c'est la garder comme un trésor et espérer que rien ne tourne mal.
SLIP-39 change cela !
4/
Au lieu d'une seule phrase, SLIP-39 divise votre clé en plusieurs "parts".
Vous décidez : X de Y parts à récupérer.
Vous perdez une part ? Vous pouvez toujours restaurer.
Une volée ? Inutile sans les autres.
Conservez-les dans des endroits séparés, et le risque diminue considérablement.

14 mai 2025
Avoid the $240 Million Mistake: Secure Your Crypto with Shamir's Backup!
Imagine relaxing on the Bali beach, enjoying the sunset while drinking beer from a tender coconut, vibing to "24K Magic" from your Marshall stereo!
Life looks perfect, right?
Just like a speed breaker, an unsettling thought crosses your mind: "What if I forget my crypto wallet's mnemonic phrase?"
Seems unlikely?
German programmer Stefan Thomas once felt the same.
A $240 Million Nightmare: Stefan Thomas’s Story
Stefan Thomas, a software developer, was famously paid 7,002 Bitcoins for creating a simple Bitcoin explainer video years ago.
At the time, he securely stored his Bitcoin fortune in an encrypted USB drive called IronKey. Everything seemed fine until he forgot the password.
After eight incorrect password attempts, Thomas found himself with just two tries left before the IronKey drive permanently locked itself, potentially losing him over $240 million worth of Bitcoin forever.
His situation perfectly highlights the severe risks associated with centralized mnemonic management, where a single mistake can lead to irreversible asset loss.
Enter Sharmir's Backup: Your Safety Net
Fortunately, smart developers have devised a powerful solution to prevent disasters like Stefan's: Shamir's Backup. Unlike traditional methods that rely on a single mnemonic phrase, it splits your mnemonic into multiple parts, significantly minimizing the risk of total loss.
This innovative approach is built upon the Shamir Secret Sharing algorithm, originally proposed by cryptographer Adi Shamir.
Here's how it works:
- Your "master key" or mnemonic phrase is mathematically split into several distinct "shares."
- To restore your wallet, you only need a certain minimum number (threshold) of these shares.
For instance, in a 3-of-5 configuration, you could lose up to two shares and still easily reconstruct your wallet using the remaining three.
This approach dramatically reduces stress, eliminates single points of failure, and provides much-needed peace of mind.
Why SLIP-39 Outshines Traditional Methods?
While traditional backup methods like BIP-39 require all 12 or 24 mnemonic words to recover a wallet, SLIP-39 provides more flexibility and security.
With SLIP-39, you can configure custom recovery thresholds like 2-of-3 or 3-of-5. This flexibility means losing a share or two doesn’t spell disaster, significantly boosting both reliability and security.
Real-Life Example: Sharmir's Backup in Action
Consider the experience of one crypto investor who shared his story on Reddit. He cleverly used Shamir's backup technique to engrave his mnemonic shares onto three separate metal plates and store each in different secure locations.
Unfortunately, an unforeseen accident led to the loss of one metal plate. But thanks to the Sharmir's Backup, the user didn't panic. Instead, he calmly weighed their options, either trusting the security of the remaining two plates or investing resources into redistributing their assets.
This scenario vividly illustrates how Shamir's backup can convert what might have been a catastrophic event into a manageable, strategic decision. It shows how effective risk management through Sharmir's Backup dramatically reducing anxiety and increasing security.
Getting Started with Sharmir's Backup: Practical Tips
If you're intrigued and considering using Sharmir's Backup, here are a couple of essential tips to ensure a smooth and safe experience:
Practice Makes Perfect:
Although hardware wallets like Keystone simplify the process, Sharmir's Backup adds a layer of complexity. Always practice with small amounts of crypto initially. This ensures you're comfortable with the process before moving significant funds.
Select Your Custodians Carefully:
If you plan to distribute shares to trusted family or friends, it's crucial they understand the importance of securely storing these shares. They should treat your share like their own valuable asset. Consider recommending secure storage options, such as safes or bank vaults.
Keystone Wallet: Making Sharmir's Backup Easy and Secure
Keystone hardware wallets offer built-in support for SLIP-39, enabling you to effortlessly generate and recover mnemonic shards without any internet connection. Keystone is fully compatible with popular wallets like MetaMask and Sparrow, making it an accessible and reliable option for both beginners and seasoned crypto enthusiasts.
Within minutes, Keystone provides an air-gapped environment to generate and restore shares, truly simplifying and enhancing your crypto security experience.
Final Thoughts: Protecting Your Crypto Wealth
Stories like Stefan Thomas’s are cautionary tales highlighting the immense risk of single-point failure in crypto asset management. Shamir's Backup represents a robust solution, significantly reducing the risk of total loss and transforming potential crises into manageable situations.
By adopting Shamir's Backup, especially using intuitive hardware solutions like Keystone, you're not just protecting your wealth; you're gaining confidence, control, and true peace of mind.
Ready to secure your cryptocurrency investments without constant worry? Shamir's Backup could be your ideal solution.



5/
Keystone prend déjà en charge SLIP-39.
Quelle est la différence maintenant ?
Vous pourrez bientôt importer des phrases de récupération SLIP-39 d'autres portefeuilles directement dans votre Keystone 3 Pro.
Rendant la récupération plus facile et vous permettant de profiter de la sécurité entièrement isolée de Keystone.
6/
Actuellement, SLIP-39 permet plusieurs couches de récupération.
Nous commencerons par la récupération à groupe unique.
Si la demande est là, la récupération à plusieurs groupes suivra.
Notre objectif est de rendre la configuration de votre portefeuille à la fois sécurisée et plus adaptable.
7/
Si votre sécurité dépend d'une seule phrase et d'un seul appareil, vous êtes à un accident de la catastrophe.
Avec la sauvegarde améliorée de Shamir de Keystone, vous contrôlez les règles de récupération et le choix de l'appareil.
Partagez cela avec un ami soucieux de la sécurité et aidez-le à rester en sécurité !
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