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I have created a Secure Seed Storage: A Step-by-Step Guide for Safeguarding Cryptocurrency Seeds Using Shamir's Secret Sharing and V4A Stainless Steel

1. 🔒 **Seed Splitting:** Use Shamir's Secret Sharing to split your seed into three sections.

2. 🔏 **Engraving:** Engrave each seed section onto a separate washer made of durable V4A stainless steel.

3. 🔩 **Assembly:** Secure each engraved washer onto a stainless steel screw with a matching nut.

4. 📦 **Encasement:** Carefully place the assembled washers into a robust metal case.

5. 🛡️ **Protection:** Apply corrosion-resistant oil to the assembled washers and the inside of the case to protect them from oxidation.

6. 🔐 **Sealing:** Seal the case and mark it with a security seal for identification.

**Tips:**

- 🗝️ Store the case in a secured location.

- 🤝 Inform a trusted person about the location information.

- 🚫 Avoid making digital copies of the seed phrase.

- 🔄 Regularly check the condition of your seeds and the case.

**Material choice:**

V4A stainless steel is used for the washers because it offers excellent corrosion resistance and is stronger than other materials like V2A stainless steel or aluminum. The robust metal case provides additional protection for the seed sections.