In This Article
Anybody who has gone through the process of setting up a self-custody crypto wallet understands the importance of protecting one’s seed phrase. Your seed phrase is arguably one of the most important things in all of crypto, and its security is paramount. Writing down your seed phrase on a piece of paper really just doesn’t feel all too secure, and you always run the risk of losing that piece of paper in a fire. That’s where metal seed phrase protectors come into play, and Cryptotag offers some great solutions on that front. This cryptotag review isn’t just one written out of thin air. Our team has tried and tested the product, and we have found it phenomenal, minus the extra effort you have to put in.
Cryptotag is a company focused on creating products that ensure the safety of your seed phrase. This seedphrase protector offers several popular storage devices that protect your seed phrase by storing it on aerospace-grade titanium instead of simply writing it down on paper. However, that’s not all that Cryptotag’s products do, as we’ll see later in the article.
I have been in crypto and storing my seed phrases for over 8 years. I can confidently tell you that the two Cryptotag products I had the opportunity to review and compare are some of the very best seed phrase protectors I’ve ever seen. In this article, we are going to compare the Cryptotag products Loki and Zeus and let you know the pros and cons of both, as well as which one we prefer.
Key Takeaways
- Aerospace Grade Titanium – All Cryptotag products are built with high-quality, high-heat-resistant titanium.
- BIP39 and SLIP39 Compliant – Cryptotag products work with both BIP39 and SLIP39 Wallets.
- 12 or 24 Word Seed Phrases – Cryptotag Products work with both 12 and 24 word seed phrases.
- Everything Included – Everything you need to get started is included with each Cryptotag kit.
- Easy Setup – Setup is easy, and Cryptotag provides all necessary hardware and instructions.
What is Cryptotag: Summary
Cryptotag is a seed phrase storage company that offers a line of different seed phrase protection products. This review will cover the Loki and the Zeus, their two most affordable protection options. Both Loki and Zeus allow storing BIP39 and SLIP39 12-24 word seed phrases. That means they both work for MetaMask wallets as well as Ledger and Trezor hardware wallets.
Speaking of hardware wallets like the Ledger and Trezor, we really can’t overemphasise the importance of using cold storage wallets in today’s world. Scammers and hackers are more prevalent now than ever before, and crypto wallet safety has never been more necessary. That’s why we highly recommend using a hardware wallet and why a seed phrase protector like a Cryptotag is so beneficial.
Pro Tip: A hardware wallet like a Ledger or Trezor paired with a titanium seed phrase protector like the Cryptotag products is the best possible combination for maximum security of your self-custodied cryptocurrency.
Cryptotag Loki vs. Zeus 2026 Comparison
If you’ve made it this far, you understand the importance of your crypto seed phrase and the need for proper and safe seed phrase storage. Both Cryptotag products that we are comparing are great options for storing your seed phrase, but there are differences between the two. So, let’s dive in.
Cryptotag Loki Review

The Cryptotag Loki is the newest and most affordable seed phrase protector to date. It is a simplified version of the other protectors, costing just under $100. That makes it an affordable option to get your seed phrase stamped on a durable piece of titanium, protected from the elements like fire, water, and rust. The Loki can give you a serious boost to your cryptocurrency security game for around $100 and perhaps 15 minutes of your time. Setting up a seed phrase protector can be complex when you have to get out a hammer and individual letter stamps. Believe me, I’ve gone through that complicated process before. I practically laughed when I realized how easy it was to set up the Loki, but more on that later.
Cryptotag Loki Features
Cryptotag Loki Pros & Cons
Pros
Cons
Packaging & Presentation of Cryptotag Loki
The Loki may be Cryptotag’s most affordable product, but that doesn’t mean it’s low quality or that any shortcuts were taken in its design. To start, Cryptotag’s packaging is impressive and immediately gives off the impression that you’ve just acquired a high-quality seed phrase protector. Everything comes packaged in a nice-looking box, and as soon as you pull out the contents, you can feel the quality from the weight alone. The Cryptotag box gives iPhone vibes. Well done.

What’s Included
Everything you need to get started.
Too brief for you? Well okay, I guess I can go into more detail. For starters, the first thing included when you open up the good-looking box is a sheet of paper with a QR code. That will take you to the setup guide on the Cryptotag website, where you can find a video on how to back up your specific wallet. Underneath that piece of paper, you will find everything else you need, listed below:
Who Is Cryptotag Loki Designed For?
The Loki is designed for users who want high-quality products to ensure the safety of their crypto seed phrase without breaking the bank. It isn’t the cheapest Bitcoin seed backup tool out there, but it certainly doesn’t slack on quality of materials one bit. Both Cryptotag products are designed for users who have a little more than basic crypto knowledge, although neither requires much of an advanced level of expertise.
Pair Cryptotag With a Secure Non-Custodial Wallet
Storing your seed phrase with a Cryptotag is a smart move, but remember, it all starts with choosing the right wallet. If you are looking for a non-custodial solution that gives you full control over your keys, we recommend Best Wallet.
Cryptotag Zeus Review for 2026

The second Cryptotag product we reviewed was the Zeus. In terms of price, the Zeus is one step up from the Loki, although that doesn’t necessarily make it the better of the two products. We’ll need to explore more to determine which product is better or more useful. So, read on.
Cryptotag Zeus Key Features
Cryptotag Zeus Pros & Cons
Pros
Cons
Packaging & Presentation of Cryptotag Zeus
The Zeus also comes packaged in a sleek box that tech junkies have become accustomed to. Once again, the appearance is very impressive, and the first difference you notice is the even heavier weight of Zeus compared to Loki. You might be wondering why the weights might be different, and that is the main difference between the two products. The Loki is one sheet of titanium, and the Zeus is two sheets.

What’s Included
Like Loki, Zeus comes packaged with everything you need (except the branded pencil, for some reason).
Who Is Cryptotag Zeus Designed For?
The Zeus is designed for someone who values the safety of their crypto wallet seed phrase and is looking for the best possible option. Perhaps this is somebody who is storing a sizable amount of cryptocurrency and wants to split their seed phrase into multiple storage locations.
Should You Buy Loki or Zeus? Side-by-Side Comparison
At this point, you might be wondering, “What is the difference between Cryptotag Loki and Zeus?” Well, let’s take a quick look at the obvious differences between the two products to help you decide which one works for you.
| Features | Loki | Zeus |
| Ledger & Trezor Compatibility | TRUE | TRUE |
| BIP39 & SLIP39 | TRUE | TRUE |
| Aerospace Grade Titanium | TRUE | TRUE |
| Works With Multiple Wallets | FALSE | FALSE |
| 12-24 Word Seed Phrase | TRUE | TRUE |
| Number of Plates | 1 | 2 |
| Price | $99 | $149 |
The notable differences between the two products really centre around the price and whether or not you want the double-sided Loki or the two sheets of Zeus. The more budget-conscious might lean towards the Loki, although there are cheaper Bitcoin seed backup tools out there on the market if that’s your angle.
So, one key difference between Cryptotag’s Loki and Zeus products is that the Loki stores the first four letters of each seed phrase word on the titanium sheet. However, Zeus actually stores the BIP39 converted seed word, which is 4 letters. If that sounded confusing, let me explain: each seed word can be translated to BIP39 numbers, which get punched into the Zeus. The significant benefit is that your seed phrase can’t be interpreted from a quick glance at the Zeus, the numbers would need to be translated first. A potential hacker could see your whole seed phrase with one good glance at the Loki, which is why the Loki comes with rubber covers.
The other main difference would be their physical design and how they store your seed phrase. The Loki features a double-sided titanium sheet, allowing you to engrave 12 seed words on each side, making it a compact, all-in-one solution for storing a full 24-word phrase. In contrast, the Zeus comes with two one-sided titanium plates, each holding 12 number sequences. This layout can offer more flexibility in how users store or separate their backup phrases, especially for those who want to distribute or hide parts of their seed phrase in different locations.
That’s really the key here. Not only does Zeus look better, and the two-sheet design stands out as bulkier and cleaner, but it also allows you to split and store your seed phrase in multiple locations, providing even more security. If you really want to take your crypto wallet security to the highest level, Zeus would be the best option.
How to Use Cryptotag: Step-by-Step Guide
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Prepare Your Seed Phrase
Whether you’re setting up a new wallet or protecting an existing one, have your 12–24 word seed phrase ready. Write it down carefully and keep it close for the setup process.
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Access the Setup Instructions
Loki users can scan the included QR code to access a video walkthrough. Zeus users should refer to the instruction pamphlet, especially the BIP39 number conversion chart for seed words.
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Format Your Seed Phrase
For Loki, mark the first four letters of each word with the pencil provided – these uniquely identify each seed word. For Zeus, convert each word into a four-digit BIP39 number and write them down on the included sheet.
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Engrave Your Seed Into the Titanium Plate
Use the automatic center punch to engrave each letter (Loki) or number (Zeus). Always wear earplugs and press steadily with both hands to ensure clean punches.
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Erase, Destroy, and Store Securely
Erase pencil marks and burn any paper copies of your seed phrase. Attach protective covers (Loki), retain the BIP39 list (Zeus), and store your Cryptotag securely, away from your Bitcoin wallet or lightning wallet.
If you are more of a visual learner, check out this video provided by the Cryptotag team.
What Users Think About Cryptotag?
Overall, Cryptotag gets positive reviews online, which isn’t surprising to read after testing out the Loki and Zeus.
Users consistently highlight Cryptotag’s titanium construction, which offers resistance to fire, water, and physical damage. This durability provides peace of mind for those securing their seed phrases. One user on Reddit said,
I loved the process of moving my Bitcoin into a secure, cold storage wallet, and securing my keys in the Indestructible Titanium plate that is the Cryptotag Zeus. This isn’t an ad. I just really feel great knowing my Stack is secure for the long haul. It really is something everyone should do.
There is not too much criticism from users of the Cryptotag Bitcoin seed backup tools. However, the main gripe I could find was regarding the price point. Both Cryptotag products are high-quality products and come in impressive packaging. So that level of quality comes at a higher price point. But it raises a fair question – How much is your peace of mind worth when it comes to protecting your crypto wallet’s seed phrase?
Tips for Using a Cryptotag Seed Phrase Protector
- Double-check Your Engraving – Take your time when stamping or engraving each word of your seed phrase into the titanium plate. A single mistake could make it impossible to recover your crypto wallet. Always verify the correct spelling and word order before and after stamping.
- Store It in a Secure Location – Once your Cryptotag is engraved, store it in a safe, discreet, and secure place, ideally one that’s fireproof and waterproof. Avoid keeping it in obvious places like your desk drawer or alongside your hardware wallet.
- Don’t Store It Digitally – Avoid taking photos or digital notes of your seed phrase during the engraving process. The whole point of using a Cryptotag is to keep your backup offline and immune to hacking or malware risks.
What Is A Seed Phrase?
A cryptographic seed phrase, aka a recovery phrase or pass phrase, is a series of 12 – 24 randomly generated words that serve as the key to access a cryptocurrency wallet. This phrase is generated when a wallet is first set up and is used to derive all the wallet’s private keys. If you ever lose access to your wallet, this seed phrase is used to regain access to all of your funds and wallet data. Because of its power, anyone with the seed phrase can control the contents of a crypto wallet. Hence, it is utterly important to keep safe and secure.
It is also very important to store your seed phrase safely and offline in a place that nobody else has access to. Many crypto users have learned the hard way just how important it is to safely store their seed phrase offline.
Why Seed Phrase Security Matters
In cryptocurrency, your seed phrase is the most important key to accessing your digital assets. Unlike traditional banking systems, there’s no customer support or password reset if you lose access to your crypto wallet. Your seed phrase, or mnemonic phrase, allows you to recover your wallet and funds. This makes it both incredibly powerful and dangerously vulnerable.
The biggest risk with poor seed phrase storage is irreversible loss. If your only copy is written on a piece of paper, destroyed in a fire or lost in a move, your crypto is gone forever. Likewise, if someone else finds or steals your seed phrase, they can drain your wallet with no way to stop them. Hacks, phishing attacks, and even physical theft are all real-world threats to insecurely stored seed phrases. The lack of recovery options means there’s zero margin for error.
What Is A Seed Phrase Protector?
Seed phrase protectors are security devices designed to safeguard a physical copy of your cryptocurrency wallet’s seed phrase from threats like fire, water, corrosion and physical damage. Seed phrase protectors are designed to protect against those physical risks that plague seed phrases simply written down on paper. They are typically made from very durable materials like titanium or other tough metals. These devices usually require users to stamp or engrave their own passphrase on the metal, ensuring that nobody else sees the seed phrase.
Both Cryptotag products use aerospace-grade titanium cards and provide a stamp for users to punch their own phrase on. Both the Loki and Zeus have patterns on the titanium sheet for users to stamp their seed phrase on, as opposed to using letter stamps. This simplifies the stamping process and also reduces the total weight of the package. Users only need the titanium card and the punch provided by Cryptotag.
Conclusion: Is Cryptotag Worth It?
After testing both Cryptotag products, I came away seriously impressed. The build quality, presentation, and attention to detail just exude premium quality. From the moment you open the box, you know this isn’t your average cold storage setup… this is the kind of steup that thed top dogs would use. I’ve reviewed plenty of seed phrase protectors over the years, and Cryptotag consistently delivers that “vault-grade” feel that few competitors manage to match. Both the Loki and the Zeus are clearly designed for people who value security as much as decentralization itself.
Now, if you’re wondering which one I’d actually buy, the $40 price difference might seem small, but it’s enough to make you pause. For me, though, if I’m taking the time to engrave a seed phrase, it’s because that wallet holds real value. In that case, I’ll gladly spend a bit extra for the Zeus, which lets me split my recovery phrase between two physical locations. That simple feature alone adds an extra layer of protection, and peace of mind, that’s worth the premium.
To put it in perspective, Billfodl offers a solid stainless steel option, but it doesn’t have quite the same refined finish or dual-location flexibility as the Zeus. The Loki still holds its own as a sleek, compact option, but when it comes to ultimate crypto security, I’m betting on the Zeus every time.
References
- “Video Review: Cryptotag Zeus.” Bitcoin Magazine, 25 Jan. 2021, https://bitcoinmagazine.com/technical/cryptotag-odin-review”
- Cryptotag Review: Seeds Stored on Titanium.” CoinGecko, https://www.coingecko.com/learn/cryptotag-review.
- “Cryptotag Review 2020 – Is This the Best Steel Bitcoin Backup?” Bitcoin Lockup, 13 June 2019, https://bitcoinlockup.com/cryptotag-review-2019/.
- Cryptotag Zeus. Ledger, https://shop.ledger.com/products/cryptotag-zeus?
- Cryptotag: About Us. Cryptotag, https://cryptotag.io/about-us/?
FAQs
What is Cryptotag used for?
Cryptotag is used to securely back up your crypto wallet’s seed phrase on a fireproof and waterproof titanium plate. It protects your recovery phrase from physical threats like fire, water, corrosion, and impact damage.
Is Cryptotag a hardware wallet?
No, Cryptotag is not a hardware wallet. It is a metal backup tool for storing the recovery seed phrases used with crypto wallets like Ledger, Trezor, and other BIP39-compatible wallets.
Which one is Best, Cryptotag Loki or Zeus?
Both Cryptotag Loki and Zeus are excellent, high-quality Bitcoin seed backup tool options, but the choice between the two is personal preference. The more budget-conscious might go with the Loki, whereas those looking for the absolute best seed phrase protection would lean more towards the Zeus.
Is Cryptotag fireproof and waterproof?
Yes, all Cryptotag Bitcoin seed backup tools are fireproof and waterproof. The high-quality aerospace-grade titanium can withstand high temperatures and is corrosion-resistant.
Can I use Cryptotag with Ledger and Trezor wallets?
Yes, both the Cryptotag Loki and Zeus are compatible with Ledger, Trezor, and any other wallets that use the BIP39 or SLIP39 standard.
Can Cryptotag store all 24 words of my seed phrase?
Yes, both Cryptotag Loki and Zeus can store 12 and 24 words of your seed phrase. Loki stores 12 words per side, and the Zeus stores 12 words per titanium sheet.
How many seed phrases can be stored in Cryptotag Zeus?
Both the Loki and Zeus were designed to store one full seed phrase per device. That means if you want to store multiple seed phrases you need multiple devices, or you can choose the Cryptotag Thor which works with multiple wallets.
Where should I store my Cryptotag?
Store your Cryptotag in a safe, secure, and private location. Ideally, a fireproof safe or safety deposit box. Avoid storing it in places exposed to humidity or extreme temperatures.
Where can I buy Cryptotag Loki?
You can buy any of the Cryptotag products directly on their website. That is the safest option.
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