Protecting your digital coins starts with protecting the words that unlock them. A seed phrase is like the master key to your hardware wallet, and it can be lost or damaged if you write it down on paper. Choosing best hardware wallet backups gives you peace of mind because these metal plates survive fires, floods, and accidental drops.
You will read about the 8 best crypto hardware wallet backup metal plates for Bitcoin in 2025, learn why materials matter, and discover how to use them.
Top 8 Best Seed Phrase Storage Metal Plates of 2025: Hardware Wallet Backups
- Cryptotag Zeus: Best metal plate for seed phrase with 6mm titanium and 24-word capacity.
- Keystone Tablet Plus: Budget stainless steel seed phrase metal backup for crypto with 24-word slots.
- Ellipal Mnemonic Metal: Secure seed phrase storage for Bitcoin in 316 stainless steel, pocket-friendly design.
- Cryptotag Loki: Waterproof Bitcoin seed phrase storage made from heat-tested lightweight titanium.
- Trezor Keep Metal 20-word: Best seed phrase storage device 2025 with SLIP-39 and steel body.
- Ledger Recovery Key: Safest way to store seed phrase using NFC and secure PIN chip.
- Cryptotag Odin: Top-rated crypto recovery phrase plate supporting Shamir backup with titanium build.
- Cryptotag Zeus Expansion: Titanium seed phrase storage plate for expanding to 48 recovery words.
Comparing Best Hardware Wallet Backups in 2025
| Backup Device | Price (Approx.) | Material | Supported Seed Standard | Fireproof Resistance | Waterproof |
|---|---|---|---|---|---|
| Cryptotag Zeus | $129 | 6 mm Titanium | BIP39 | Up to ~1,650 °C | Yes |
| Keystone Tablet Plus | $69 | 304 Stainless Steel | BIP39 | Up to ~1,200 °C | Yes |
| Ellipal Mnemonic Metal | $49 | 316 Stainless Steel | BIP39 | Over 1,454 °C | Yes |
| Cryptotag Loki | $89 | 3 mm Titanium | BIP39, SLIP‑39 | Up to ~1,665 °C | Yes |
| Trezor Keep Metal (20) | $99–$130 | Aerospace Stainless Steel | BIP39, SLIP‑39 (Shamir backup) | Fire‑resistant (house fire) | Yes |
| Ledger Recovery Key | $39 | Secure Element (Plastic) | BIP39 (Ledger only) | No (Digital Storage) | No |
| Cryptotag Odin | $199–$500 | Titanium Hexagons | SLIP‑39 (Shamir only) | Over 1,650 °C | Yes |
| Zeus Expansion Kit | $79–$99 | 6 mm Titanium | BIP39, SLIP‑39 | Up to ~1,650 °C | Yes |
Most Secure Crypto Hardware Wallet Backup Solutions: 7 Safest Options
1. Cryptotag Zeus: Best titanium Hardware Wallet backup plate
Cryptotag Zeus is a premium seed phrase storage kit made of 6 mm‑thick aerospace‑grade titanium. You stamp the numeric codes of your 24‑word recovery phrase onto two solid plates using the included hammer and punch set.
This kit survives temperatures beyond 1,650 °C (3,002 °F), resists corrosion, and even withstands bullet impacts. Its thick plates prevent bending and protect against mechanical stress. The simple four‑letter code system based on the BIP39 word list reduces errors when stamping. Cryptotag includes a conversion sheet to look up each word’s number, a clear manual, earplugs, and extra screws. Setup usually takes around five minutes.
Titanium’s durability means your words remain legible long after paper fades or burns. Zeus works with all cryptocurrency hardware wallets, including Ledger, Trezor, Keystone, ELLIPAL Titan, BitBox, and more. Each plate holds twelve words (24 letters), and the expansion kit can double your capacity. Cryptotag offers a lifetime warranty and emphasises quality control; each plate is inspected manually. While the kit is expensive, the level of protection and ease of use justify the cost for long‑term holders.
| Specification | Cryptotag Zeus |
|---|---|
| Material | 6 mm titanium |
| Capacity | 24 words (12 per plate) |
| Temperature Resistance | Up to ~1 650 °C |
| Included Tools | Hammer, punch set, conversion sheet, earplugs |
| Approx. Price | ≈ $129 USD |
2. Keystone Tablet Plus: Affordable metal backup for crypto wallets
Keystone Tablet Plus provides a budget‑friendly yet reliable way to secure your seed phrase. The plate is made of grade 304 stainless steel, which is corrosion‑resistant and durable. It holds up to 24 seed words across two sides.
You slide small engraved tiles into numbered slots to spell out the first four letters of each word. Screws lock the tiles in place, and the sturdy housing protects them from deformation. The tablet is designed to withstand house fires (up to around 1,200 °C) and will not rust when exposed to water. A lock hole allows you to secure it with a padlock if desired.
The Keystone kit includes letter tiles, screws, and a screwdriver. Its installation process takes around ten minutes. The compact tablet is easy to store in a safe or hide in a discreet location. Keystone ensures compatibility with all BIP39 crypto hardware wallets, including Ledger, Trezor, and KeepKey. Its affordable price makes it attractive to beginners who want more than paper backups. While stainless steel is not as heat‑resistant as titanium, it still provides robust protection against typical household hazards.
| Specification | Keystone Tablet Plus |
|---|---|
| Material | 304 stainless steel |
| Capacity | 24 words |
| Fire Resistance | Up to ~1 200 °C |
| Locking Mechanism | Screws and optional padlock |
| Approx. Price | ≈ $69 USD |
3. Ellipal Mnemonic Metal: Compact steel seed phrase storage plate
Ellipal’s Mnemonic Metal, also called Ellipal Seed Phrase Steel, combines portability with strength. This compact wallet is forged from aviation‑grade 316 stainless steel and weighs about the same as a credit card. It can store up to 24 seed words, or you can store two separate 12‑word phrases.
You insert small letter tiles into grooves to represent the first four letters of each word, following the BIP39 standard. A divider separates the words, and once closed, the device locks with a small screw.
Ellipal designed this plate to withstand temperatures over 1,454 °C (2,649.2 °F), far beyond a typical house fire. It is also water‑resistant and impact‑resistant. The rounded edges and slim profile make it easy to carry or hide. Because it is pocket‑sized, you can store it in a safe, deposit box, or even travel with it.
The kit includes letter tiles, a screwdriver, and clear instructions. The price is competitive, making it a smart choice for people who want a strong but affordable backup. Its only limitation is that you need to handle many small tiles during setup, so take your time to avoid mistakes.
| Specification | Ellipal Mnemonic Metal |
|---|---|
| Material | 316 stainless steel |
| Capacity | Up to 24 words (two × 12 words) |
| Heat Rating | Over 1 454 °C |
| Size | Credit‑card sized, pocket‑friendly |
| Approx. Price | ≈ $49 USD |
4. Cryptotag Loki: Lightweight fireproof seed phrase storage
Cryptotag Loki is the lightweight sibling of Zeus. It uses 3 mm‑thick titanium plates but still delivers exceptional strength. The kit stores 24 recovery words (12 per plate) and is compatible with BIP39 and SLIP‑39 word lists. Loki plates are tested against temperatures up to 1,665 °C (3,029 °F) and resist bullets, corrosion, and pressure.
A privacy cover shields the punched numbers from prying eyes when the plates are closed. The new 2025 edition features improved alignment guides and an ergonomic punch tool that makes stamping easier. Each kit includes two plates, a punch set, a conversion sheet, and earplugs.
Loki is more affordable than Zeus because the plates are thinner, but the titanium still provides long‑term durability. You can complete the stamping process in about five minutes. The plates are compact and fit in most safes or lockboxes.
Because it supports SLIP‑39, Loki pairs well with advanced cold wallets like Trezor Safe 3 and Safe 5 that offer Shamir backups. Users appreciate the stylish design and lifetime warranty. If you want titanium protection without paying for thicker plates, Loki is an excellent choice.
| Specification | Cryptotag Loki |
|---|---|
| Material | 3 mm titanium |
| Capacity | 24 words (12 per plate) |
| Temperature Resistance | Up to ~1,665 °C |
| Privacy Cover | Included |
| Approx. Price | ≈ $89 USD |
5. Trezor Keep Metal 20-word: SLIP39 steel Hardware wallet backup plate
Trezor’s Keep Metal series offers a rugged backup solution for its hardware wallets. The 20‑word version supports SLIP‑39 (Shamir backup) and BIP39 recovery phrases. Crafted from aerospace‑grade stainless steel, the plate is fireproof, waterproof, and shock‑resistant.
You engrave the first four letters of each word using the included engraving tool and secure them under a cover that seals with screws and tamper‑evident stickers. The four‑letter system minimises mistakes and follows Trezor’s recommended backup method.
Keep Metal is designed to withstand house fires and other physical hazards. Its security seals indicate if someone has attempted to open the plate. Trezor sells versions for 12‑, 20‑, and 24‑word phrases, and the 20‑word kit is compatible with the Trezor Safe 3 and Safe 5 wallets.
Each package includes the metal plate, an engraving tool, security stickers, and instructions. The price is around $99–$130, depending on the variant and region. It is more affordable than some titanium options but still delivers strong protection. Users who want an official backup for their Trezor wallets will appreciate the seamless integration.
| Specification | Trezor Keep Metal 20‑word |
|---|---|
| Material | Aerospace‑grade stainless steel |
| Capacity | 20 words (supports Shamir) |
| Security Features | Tamper‑evident seals, screw‑secured cover |
| Compatibility | Trezor Safe 3, Safe 5, Model T, and others |
| Approx. Price | ≈ $99–$130 USD |
6. Ledger Recovery Key: NFC-enabled crypto Private key card
Ledger Recovery Key is a physical card that combines modern cryptography with ease of use. Instead of stamping or engraving, it stores your 24‑word secret recovery phrase inside a secure element chip. You transfer the phrase from your Ledger Stax or Flex device via NFC and protect it with a PIN.
The card creates up to three encrypted copies, each functioning as an offline backup. Once written, the data cannot be altered, and the card operates completely offline. You simply tap it to a new Ledger device, enter the PIN, and restore your wallet.
The Recovery Key is about the size of a credit card and is designed to last over 25 years. It is priced at around $39 and often comes free with new Ledger devices. This solution reduces human error during stamping or handwriting and eliminates the risk of moisture or fire damage.
However, it does not support multi‑signature wallets and cannot be used with non‑Ledger devices. Critics note that the single form factor limits redundancy compared to metal plates, but many users appreciate the simplicity. It is best used alongside a metal backup for maximum safety. (Read Ledger wallet review)
| Specification | Ledger Recovery Key |
|---|---|
| Material | Secure element chip inside the plastic card |
| Capacity | Stores one 24‑word phrase, up to three copies |
| Authentication | PIN‑protected, NFC transfer |
| Longevity | Rated for 25+ years |
| Approx. Price | ≈ $39 USD |
7. Cryptotag Odin: Shamir backup metal seed storage
Cryptotag Odin introduces a multi‑share approach to seed phrase protection. Instead of one plate, you receive a set of three, five, or seven titanium hexagons, each storing a share of your secret using Shamir’s Secret Sharing. You need a minimum number of shares (for example, three of five) to reconstruct your seed phrase.
This design prevents a thief from stealing a single plate and accessing your funds. The plates are made of titanium, tested above 1,650 °C, and resist water, corrosion, and pressure. Each hexagon is divided into sections where you punch numbers representing the first four letters of each word. A privacy cover protects the codes.
Odin is compatible with Trezor Safe 5, Safe 3, and Keystone wallets that support Shamir backups. The kit includes plates, punch tools, conversion sheets, earplugs, and a clear manual. Prices start around $199 for a three‑share kit and rise to $500 for a seven‑share set.
The multi‑share system offers a high level of redundancy; you can store different shares in separate locations. Odin is ideal for advanced users who prioritise security and are comfortable with Shamir’s secret‑sharing technique.
| Specification | Cryptotag Odin |
|---|---|
| Material | Titanium hexagons |
| Share Options | 3‑, 5‑, or 7‑share sets |
| Compatibility | Supports Shamir SLIP‑39 backups |
| Temperature Resistance | Over 1,650 °C |
| Approx. Price | ≈ $199–$500 USD |
8. Cryptotag Zeus Expansion Kit: Titanium plate for 48-word storage
For holders who already own Cryptotag Zeus, the Zeus Expansion Kit lets you store an additional 24 recovery words without buying a full starter kit. The expansion includes two 6 mm titanium plates identical to those in the original kit. You use the same punch tool and conversion sheet you received with your first purchase.
This modular approach allows you to create multiple backups or store recovery phrases for multiple wallets. The expansion kit also supports Shamir backups when paired with wallets like Trezor Safe 3 or Keystone Pro.
Because it uses the same materials and design as the main Zeus kit, the expansion plates are waterproof, fireproof, corrosion‑proof, and bulletproof. Each plate holds twelve words. Many users buy the expansion to back up a partner’s wallet or to keep a second copy of the same seed in a different location.
The price is lower than the full kit, making it cost‑effective. You should ensure you have the original punch set, as the expansion does not include tools. The company offers lifetime support and a warranty.
| Specification | Cryptotag Zeus Expansion |
|---|---|
| Material | 6 mm titanium |
| Capacity | Additional 24 words (12 per plate) |
| Included Tools | Plates only (tools not included) |
| Compatibility | Works with Zeus punch set; supports Shamir |
| Approx. Price | ≈ $79–$99 USD |
What Is a Seed Phrase? (Mnemonic Phrase / Recovery Phrase Explained)
A seed phrase is a list of words that acts as the root of your cryptocurrency wallet. When you set up a new wallet, the device generates 12, 18, or 24 words from a predefined list called BIP39. These words are not random; they encode your private key in a human‑readable form.
You must keep your seed phrase secret because anyone who knows it can restore your crypto wallet and move your coins. Crypto wallets like Ledger and Trezor use seed phrases to allow easy backup and recovery across devices. Writing down the seed phrase or storing it securely ensures that you can regain access even if your hardware wallet is lost or damaged.
The term mnemonic phrase is another name for a seed phrase. It suggests that the words are easier to remember than a string of numbers. Recovery phrase is yet another synonym. Regardless of the name, the function is the same: to recreate your wallet’s private keys.
Modern crypto hardware wallets never ask for your private key directly because the seed phrase can generate all keys needed to access your addresses.
Read more guides:
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- Best crypto hardware wallets
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- Best Solana wallets
Difference Between Seed Phrase and Private Key
A private key is a long sequence of alphanumeric characters that allows you to sign transactions and prove ownership of your cryptocurrency. Each address has its own private key.
A seed phrase acts as a master key that can derive many private keys using deterministic algorithms like BIP32 and BIP44. If you have your seed phrase, you can generate the private keys for all addresses in your wallet. If you lose your private key but still have your seed phrase, you can recover the private key by restoring your wallet.
You should never share either one, but the seed phrase is more sensitive because it unlocks every key associated with your wallet. Private keys are sometimes used in single‑address wallets, whereas seed phrases are standard in hierarchical deterministic wallets.
BIP39 Explained: Understanding the 12/24-Word Recovery Phrase
BIP39 (Bitcoin Improvement Proposal 39) defines the standard for generating mnemonic seed phrases. It includes a word list of 2,048 unique English words. Each word corresponds to 11 bits of entropy.
A 12‑word phrase encodes 128 bits of entropy plus a checksum, while a 24‑word phrase encodes 256 bits of entropy plus a checksum. Wallet software converts random binary data into words by mapping each group of 11 bits to a word in the list.
BIP39 ensures that the phrases are easy to read, write, and pronounce, yet they encode enough randomness to be secure. Because only the first four letters of each word are needed to identify it uniquely, many metal plates save space by recording just those letters. When you restore your crypto wallet, the software checks the checksum to validate the phrase and then derives the seed used to generate private keys.
What Are Metal Seed Phrase Plates?
Metal seed phrase plates are physical devices made from durable metals such as titanium, stainless steel, or aluminum. They are designed to store your recovery words in a form that resists fire, water, corrosion, and mechanical damage.
Instead of writing your seed on paper, you engrave or stamp it onto the metal. Some plates use letter tiles or laser‑etching. Others require you to punch numbers corresponding to words in the BIP39 list.
The goal is to preserve the phrase for decades, ensuring that your wallet can be recovered even under extreme conditions. Metal plates come in various shapes, rectangles, tablets, capsules, and hexagons, and can be single‑ or multi‑layered.
Benefits of Using Metal Plates Over Paper
Switching from paper to metal gives you several advantages:
- Heat Resistance: Most metals used for seed storage survive temperatures above 1,000 °C. Paper burns at around 230 °C, so metal protects your seed during house fires.
- Waterproofing: Metals like titanium and stainless steel do not absorb water. Even if your safe floods, your phrase remains intact.
- Durability: Metal plates resist tearing, smudging, and pests. Paper can rot, mould, or be eaten by insects.
- Tamper Evidence: Engraved or stamped plates show clear signs if someone tries to alter or read them. Paper can be copied or replaced without detection.
- Longevity: Metal does not degrade over time. Your phrase will remain legible for decades or even centuries, which is important for long‑term investments and inheritance planning.
Fireproof, Waterproof, and Tamper-Resistant Features
Quality metal plates are built with features that keep your seed safe:
- Fireproofing: Titanium plates like Cryptotag Zeus and Odin withstand extreme heat above 1,650 °C, far exceeding temperatures found in most house fires. Stainless steel plates like Keystone and Trezor Keep Metal resist around 1,200 °C.
- Waterproofing: Solid metal and sealed screws prevent water from reaching the engraved letters or punched numbers. Ellipal’s gasket design keeps moisture out even when submerged.
- Corrosion Resistance: Titanium and 316 stainless steel resist rust and corrosion. This is essential if you live near the ocean or store your plate in a damp environment.
- Tamper‑Resistance: Security seals, covers, and privacy plates hide the characters and make it clear when someone has tried to open or view your seed. Shamir‑based plates require multiple shares, preventing single‑point theft.
Popular Materials: Stainless Steel vs Titanium vs Aluminum
When choosing a metal plate, consider the material:
- Stainless Steel: Grade 304 and 316 stainless steels are common. They offer good heat resistance (up to around 1,200–1,500 °C) and are highly corrosion‑resistant. Stainless steel is affordable and easy to engrave or stamp. Keystone Tablet Plus and Trezor Keep Metal use this material. 316 stainless steel adds molybdenum for better corrosion resistance and is used in Ellipal’s plate.
- Titanium: Titanium plates, such as Cryptotag Zeus, Loki, and Odin, have superior strength‑to‑weight ratios. They resist temperatures over 1,650 °C and do not corrode. Titanium is lighter than steel but more expensive to manufacture. It is ideal for long‑term or high‑value storage.
- Aluminum: Some budget plates use anodized aluminum. Aluminum is lightweight and corrosion‑resistant but has a lower melting point (around 660 °C). It may not withstand intense fires. Because of this, aluminum plates are less common for seed storage and are not featured in the top choices of 2025.
Types of Metal Seed Phrase Plates
Engraved Metal Plates
Engraved plates have blank surfaces where you engrave or etch your seed words using a scribe or electrical engraver. The letters are permanent and difficult to tamper with. Engraving takes time and requires a steady hand, but it avoids loose pieces. Trezor Keep Metal uses engraving.
Punch Kits and Stamping Tools
Punch kits include a hammer and steel punches to stamp numbers or letters into the plate. Kits like Cryptotag Zeus and Loki require you to look up each word’s numeric code and punch it into the plate. Stamping creates deep impressions that are hard to erase.
Laser‑Etched Seed Phrase Plates
Some manufacturers use laser‑etching to imprint your seed phrase for you. You provide the words, and they send a finished plate. Laser etching is precise and professional but requires trusting a third party with your seed phrase, which many people avoid. Laser plates are not included in this list because self‑custody is the focus.
Modular Metal Wallets
Modular systems use tiles or separate shares that assemble into a complete seed. Keystone Tablet Plus and Ellipal use letter tiles that slide into slots. Cryptotag Odin uses multiple plates that must be combined to recover the seed. Modular designs improve flexibility and redundancy but may involve small parts and a more complex setup.
How to Use Metal Plates for Seed Phrase Storage?
- Gather Your Tools: Unpack your metal plate, punch set or engraver, conversion sheet, screws, and any included accessories. Work on a stable surface.
- Convert Words to Codes (for punch kits): If using a numeric punch system, look up each seed word on the BIP39 list and note the corresponding number. Only the first four letters are needed to identify each word.
- Prepare the Plate: For sliding tile systems, lay out the tiles in order. For stamping, secure the plate on a solid surface and place earplugs if provided.
- Write or Stamp Your Seed: Carefully engrave, punch, or slide the letters into the correct slots. Double‑check your work after each word to avoid mistakes. Use proper spacing and separators if required.
- Secure the Plate: Tighten screws or covers to prevent movement. Attach tamper‑evident seals if included.
- Store Safely: Place your plate in a fireproof safe, safety deposit box, or another secure location. Consider creating at least two copies and storing them in different places. Do not store the conversion sheet with your plate.
Hot Storage vs Cold Storage Seed Phrase: What’s Safer?
Hot storage refers to keeping your seed phrase on a device connected to the internet, such as a password manager or encrypted file on your computer or phone.
While convenient, hot storage is vulnerable to hacks, malware, and phishing attacks. Even strong encryption can be broken if your device is compromised.
Cold storage means keeping your seed phrase offline, usually on paper or metal. Cold storage eliminates online attack surfaces and is considered the safest method for long‑term holdings. Y
ou may choose to keep an encrypted digital copy for quick access, but it should never be your only backup. By using cold storage along with secure hardware wallets, you maintain full control over your keys and reduce risk.
FAQs: Best Hardware Wallet Backups
Can I Use Any Metal for Seed Phrase Storage?
Not every metal is suitable for protecting your seed phrase. You need a material that can withstand high temperatures and resist corrosion. Titanium and stainless steel meet these requirements because they remain solid above 1,200 °C and do not rust easily.
Soft metals like aluminum or copper melt at lower temperatures and may not survive a fire. Always choose a product specifically designed for seed storage rather than making your own from random scrap metal. Purpose‑built plates undergo testing to confirm their durability.
What Happens If I Lose My Seed Phrase?
Losing your seed phrase means losing access to your cryptocurrency. There is no recovery service because blockchain technology has no central authority. You cannot “reset” your wallet without the exact words. Always create at least two backups and store them in separate secure locations.
Consider using multi‑share solutions like Cryptotag Odin, which require several pieces to recover the seed. If you misplace one copy but still have another, you can restore your wallet. But if all copies are lost or destroyed, your coins are gone forever.
Is It Safe to Store My Seed Phrase at Home?
Storing your seed at home is safe if you take precautions. Use a fireproof safe that is bolted down and hidden from plain view. Do not leave your plate in obvious places like a drawer or under a mattress.
If you choose to keep one copy at home, store a second copy elsewhere, such as a bank safety deposit box or a trusted relative’s house. Avoid telling many people about the location of your backups. Home storage can be part of a layered strategy that balances convenience and security.
How Do I Recover My Wallet Using a Seed Phrase?
To recover your wallet, you simply enter your seed phrase into a compatible wallet application or hardware device. Most wallets will have a “Restore” or “Recover” option during setup. Select the correct number of words (12, 18, 24) and type them in the correct order.
The software then derives your private keys and addresses. If you use Shamir’s Secret Sharing, you need the required number of shares to reconstruct the phrase before entering it. Make sure you are using a legitimate wallet from a trusted source to avoid phishing.
What is the best way to store a crypto seed phrase securely?
The best way combines metal storage with redundant copies in different safe locations. Use a high‑quality titanium or stainless‑steel plate to record your phrase. Create at least two plates so that a disaster at one location does not destroy both.
Consider using Shamir’s Secret Sharing for large holdings, which splits your phrase into multiple shares. Keep the plates offline, avoid digital backups as your only copy, and inform a trusted person of the general recovery procedure without revealing the actual words.
Why are metal plates better than paper for seed phrase storage?
Paper is vulnerable to fire, water, pests, and decay. It can be torn, smudged, or lost easily. Metal plates resist these dangers and remain legible after extreme conditions.
Even stainless steel, which is cheaper than titanium, survives temperatures well above a house fire. Engraving or stamping ensures the words cannot be erased accidentally. You invest a small amount in a metal plate to protect assets that may be worth far more.
Which metal is best for seed phrase storage: stainless steel or titanium?
Titanium offers the highest level of protection. It withstands higher temperatures and resists corrosion better than steel. Titanium plates like Cryptotag Zeus can handle over 1,650 °C and will not rust. Stainless steel, especially grade 316, is still very strong and affordable.
It protects against most household disasters and is easier to engrave. If your budget allows, choose titanium for maximum durability. Otherwise, a well‑made stainless‑steel plate still offers excellent protection.
Can I store multiple seed phrases on one metal plate?
Some plates allow multiple phrases. Ellipal’s plate can hold two 12‑word phrases on separate sides. The Zeus Expansion Kit adds more plates for extra phrases.
While it is possible to engrave more than one phrase on a single plate, it is not always advisable because losing that plate compromises all stored wallets. Using separate plates for separate wallets improves security. Only store multiple phrases together if you have a good reason and understand the risk.
Are metal seed phrase plates compatible with all crypto wallets?
Most metal plates are designed around the BIP39 and SLIP‑39 standards. If your wallet uses those standards (which include Ledger, Trezor, Keystone, MetaMask, Trust Wallet, and many others), the plates are compatible.
Some specialized crypto wallets or coins may use different word lists or key derivation methods. Always check whether your wallet follows BIP39 or SLIP‑39. Products like Ledger Recovery Key work only with specific devices, so verify compatibility before purchasing.
How do I engrave or stamp my seed phrase onto a metal plate?
Follow the instructions included with your plate. For stamping kits like Cryptotag, use the conversion sheet to find the number for each word. Place the plate on a hard surface, align the punch over the correct slot, and strike with the hammer.
For engraving plates like Trezor Keep Metal, use the provided engraving pen to carve the first four letters of each word into the metal. Take your time, double‑check spelling, and ensure the marks are deep enough to be legible. Wear safety glasses and ear protection if necessary.
Can I travel with a metal seed phrase plate?
You can travel with a metal plate, but do so carefully. A compact plate like Ellipal fits in a pocket or small bag and looks like a simple metal card. Larger plates may attract attention at airport security. Avoid storing a plate in checked luggage, where it could be lost or stolen.
Consider carrying only a share of your seed if you use Shamir’s Secret Sharing; leave the other shares at home. Be aware of local customs regulations if you cross borders with anything that could be mistaken for a key or storage device. Always keep the plate hidden and secure during travel.
