More than just a string of words, the seed phrase is your lifeline to accessing your cryptocurrency holdings. Safeguarding it securely is an absolutely essential step, as the knowledge and ownership of your seed phrase effectively equates to ownership of your funds.

While it is a common recommendation from wallet providers to write down your seed phrase on paper and store it in a secure place, this step alone does not provide sufficient protection. To truly ensure the safety of your crypto assets, it’s imperative to consider not only what your seed phrase is stored on but also how it is stored.

In this article, we delve into the critical aspects of backing up and storing your seed phrase, addressing the paramount questions of where and how to secure this vital piece of information.

1. Paper Backup

One of the more common and straightforward methods for safeguarding crypto seed phrases is using paper. This approach is often recommended by wallet providers in their guidance.

Seed phrase paper backup

However, it’s crucial to understand that relying solely on paper does not provide the level of security needed.

Paper, in itself, does not offer a high level of security. A physical piece of paper with the seed phrase remains unprotected and unencrypted. Without encryption, the seed phrase is written in plain text on paper, making it vulnerable to theft or prying eyes. Any exposure to the seed phrase can potentially compromise your cryptocurrency holdings.

Handwriting a seed phrase on paper also introduces a significant risk of human error. Illegible handwriting or confusing characters, such as the similarity between “cl” and “d,” may lead to difficulties in accurately recovering crypto assets.

If the seed phrase is backed up on paper, it is critical to take additional safety measures. At the very least, the paper should be kept or stored in a locked safe. This action minimizes the chances of unauthorized individuals gaining access to your sensitive information while also keeping it safe from fire and water.

To mitigate the risk of losing your crypto assets in the event of damage or loss of your paper backup, duplicate copies can be made and stored in different secure locations. This redundancy can help safeguard your access to funds.

However, it is important to note that none of these measures are sufficient to guarantee the safety of your funds and assets when relying solely on keeping your seed phrase on a paper backup, as it acts as a single point of failure.

1. Metal Backup

Metal backups elevate the security and durability of seed phrase preservation to a higher level when compared to paper backups. This method involves etching the seed phrase onto sturdy stainless steel or titanium plates, with stainless steel being the more commonly preferred option. The resilience of this approach ensures that your seed phrase remains unscathed, as metal backups are sturdy, fireproof, waterproof, and corrosion-proof.

Seed phrase metal backup

It is important to be very careful while engraving the words onto the metal sheet or plate, as any mistake in engraving the words on the metal could lead to confusion and difficulties in accurately recovering crypto assets.

Choosing a steel plate as your backup medium provides some advantages and effectively addresses some of the vulnerabilities associated with paper backups. Nevertheless, akin to any physical storage medium, it is essential to shield the plate from unauthorized access. Additionally, it’s important to note that the seed phrase still remains in an unprotected and unencrypted format. Thus, securing it in a well-protected location is of utmost importance, and, if possible, encrypting the seed phrase before engraving it onto the steel is strongly recommended.

However, it’s crucial to acknowledge that this method does introduce a notable risk associated with physical security breaches. Storing the seed phrase within a metal sheet or piece still represents a single point of failure, where a breach could potentially compromise access to your crypto assets.

1. Cypherock X1

The Cypherock X1 offers a more convenient and secure solution. It cryptographically divides your BIP-39 seed phrase into five distinct parts using Shamir Secret Sharing.

Cypherock X1

These five parts are then securely distributed across four X1 cards and the X1 vault, which serves as the central device equipped with a built-in screen. You can set a unique PIN to protect each of these parts (seed phrase) individually on these five hardware components (the X1 vault and four X1 cards), adding an extra layer of security. This approach ensures that all five parts of your seed phrase remain encrypted and well protected, so even if someone gains unauthorized access to any of these cards or the vault, they will not have access to the seed phrase. Store each of these four cards in four different locations, and your funds are safe.

Cypherock X1 Flow

Since the Cypherock X1 employs Shamir Secret Sharing to split the seed phrase, it enables the reconstruction of the full seed phrase with just two out of the five parts. This is achievable through the two-of-five threshold scheme that Cypherock X1 uses. Users can utilize any two of the X1 cards or combine an X1 card with the X1 Vault to recover the full seed phrase. This ensures that even if a user were to lose one or two parts, such as a card or the vault, they would not lose access to their funds.

This backup strategy eliminates the need for manually transcribing the seed phrase onto physical objects like paper or metal plates, where the seed phrase would be stored in an unprotected and unencrypted form. One of the key advantages of the Cypherock X1 is its solution to the single point of failure problem, which often arises from centralized access to the seed phrase. Instead, it decentralizes the seed phrase by distributing it across the X1 vault and X1 cards, keeping the seed phrase secure and offline. The Cypherock X1 is BIP-39 compatible, which enables secure storage and backup of existing BIP-39 seed phrases from your other wallets like MetaMask, Ledger, Trezor, and more.

It’s important to highlight that, in contrast to numerous other hardware wallets, the Cypherock X1 provides users with the capability to store and securely manage up to four distinct BIP-39 wallet accounts. This functionality proves invaluable for individuals who possess multiple wallets, as it eliminates the necessity for users to uphold multiple separate pieces of paper or metal backups for each of their seed phrases.

In this way, the Cypherock X1 wallet provides users with the flexibility to use the device either as a personal hardware crypto wallet or as a dedicated seed phrase backup manager for other wallets, making it a versatile and secure option for safeguarding cryptocurrency assets.

A Smart Choice for Cryptocurrency Protection In conclusion, safeguarding your crypto seed phrase is of paramount importance, as it grants access to your valuable cryptocurrency holdings. Therefore, choosing the correct backup method for your seed phrase is crucial. While traditional methods such as paper backups and metal plates offer some level of protection, they also come with their own set of vulnerabilities, from human error to physical security breaches.

The Cypherock X1, through the use of Shamir Secret Sharing and the distribution of your seed phrase across multiple parts, effectively eliminates the single point of failure associated with traditional backup methods. With the Cypherock X1, even the loss of one or two parts will not compromise access to your funds. Furthermore, the device ensures that your seed phrase remains encrypted and well-protected, reducing the risk of theft or unauthorized access.

Whether you’re in need of a personal hardware crypto wallet or a dedicated seed phrase backup manager for multiple wallets, the Cypherock X1 offers versatility and robust security. It provides peace of mind for cryptocurrency holders, offering a comprehensive solution to the critical task of safeguarding your digital assets in an increasingly digital world.

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When it comes to cryptocurrency, our primary concern is safeguarding our funds. The one thing that must be protected at all costs is the seed phrase. Without your seed phrase, you would permanently lose access to your funds and assets.

Sure, it is crucial to protect your seed phrase, and a cold wallet provides an excellent solution for this purpose. However, is there anything else that can be employed to add an extra layer of security and protection to your seed phrase?

The answer is yes. A passphrase can be used to add an additional layer of security to protect your seed phrase. As is often the case, features come with both benefits and drawbacks. While passphrases offer various advantages, they also entail certain risks. In this article, we will explore how passphrases enhance the security of seed phrases, thereby safeguarding your funds, and discuss why you should consider using them, as well as the associated risks. This blog will serve as an added extension to our seed phrase vs passphrase blog.

How does passphrase improve security for seed phrases?

A passphrase is a user-chosen phrase or word that adds extra security to your seed phrase. It is case-sensitive, and spaces are significant. For instance, consider examples like “cypherock,” “cypher rock,” and “cypher-Rock”; each of these creates distinct wallets. Only you know your passphrase, and it’s not stored or generated by your wallet. Think of it as the extra puzzle piece required to complete the full picture. This “25th word” works in conjunction with your 24-word seed phrase to derive your wallet’s private keys, public keys, and addresses. By default, wallets use a blank passphrase. Read this blog post to learn more about seed phrases and passphrases in depth.

In simple terms, passphrases in crypto wallets are similar to PINs for your bank account or passwords for your mobile apps. They grant access to your valuable assets. However, it’s important to note that, technically, a passphrase is not a password for your wallet, it is an additional component of the seed phrase used to derive private keys and more.

Now how does this passphrase improve the security of your seed phrase? Most of the hardware wallets store your seed phrase within their device. Unfortunately, these wallets can be inherently vulnerable to physical attacks like Electromagnetic Fault Injection (EMFI), Laser Fault Injection (LFI), and Side Channel Analysis (SCA), making it possible for skilled attackers to extract your seed phrase.

When you use a passphrase alongside your seed phrase, it serves as a critical layer of security. Even if an attacker gains access to your seed phrase through hacking or accidental exposure, they won’t be able to access your cryptocurrency funds because they lack the 25th word, which is the final piece needed to unlock your wallet. Therefore, by safeguarding your passphrase, you possess a powerful means of protecting your assets.

If you ever lose your wallet or accidentally expose your seed phrase, you can promptly use your passphrase and seed phrase backup to transfer your funds to another wallet. Even if an attacker attempts to brute force your passphrase (which is unlikely if it’s long and unique), you can still move your funds quickly. Conversely, without the passphrase, your recovery words or seed phrases become useless.

You have the option to use multiple distinct passphrases with a single seed phrase, enabling you to create numerous unique wallets. Each passphrase alters the private key, ensuring that each wallet is different. This feature offers several benefits, including the ability to derive and store multiple wallets from a single seed phrase within a single hardware wallet. This is advantageous in scenarios where someone gains unauthorized access to your wallet, as they won’t be able to access your funds since the wallets containing your coins remain hidden without the passphrase. Furthermore, passphrases allow users to create low-balance dummy or decoy wallets, which serve as a valuable defense against potential attacks, such as the “$5 wrench attack.

Balancing Risks and Rewards

The adage “there is no good without bad” holds true for passphrases. While they offer substantial benefits, they also introduce risks and potential dangers. Each passphrase creates a new and unique wallet, necessitating a precise understanding of which passphrase corresponds to each wallet and grants access to your funds. Setting up a passphrase demands extra care, as any typos during entry on the wallet or when writing it on paper can lead to a permanent loss of access to your funds. It’s important to note that once your passphrase is established, it cannot be changed or recovered.

Passphrases carry the additional responsibility of secure backup, much like how you safeguard your seed phrases. It’s crucial never to store the seed phrase and the passphrase together in the same location. Regardless of how meticulous you are with your cryptocurrency security, losing your passphrase represents a single point of failure. Losing access to your passphrase renders your seed phrase useless, introducing complexity and additional risks to the equation. In essence, if someone gains access to both your seed phrase and passphrase, your funds become vulnerable. Forgetting or losing your passphrase makes the funds associated with the corresponding wallet inaccessible, and lost passphrases cannot be recovered.

While hardware wallets provide strong protection, adding a passphrase can significantly enhance the security of your seed phrase and offer various benefits. However, it’s essential to recognize that this addition introduces complexity to the process of safeguarding your access to your cryptocurrency funds. Careful management and secure backup are essential, as losing access to a passphrase renders your seed phrase useless. By employing this additional layer of security, users can safeguard their digital assets effectively.

In contrast to other wallets, Cypherock X1 completely decentralizes your seed phrase into five different parts. This approach ensures that the seed is never entirely stored on the device. Even if it is stolen by an attacker, they will never be able to extract the seed phrase.

Moreover, Cypherock X1 allows you to set passphrases for your seed phrases. Since we recommend using passphrases primarily for advanced users, you would need to enable the passphrase option from the settings. The passphrase can only be set up when creating a new wallet or importing existing wallets from seed phrases. Cypherock X1 supports 64 characters, including upper and lower case letters, numbers, and spaces.

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BIP-39

Before delving into the concepts of seed phrases and passphrases, it is very important to know and understand the underlying principles of BIP-39 (Bitcoin Improvement Proposal 39) and its operational intricacies.

BIP-39 is a standard that describes how cryptocurrency wallets generate mnemonic or “seed” phrases (seed, mnemonic phrase/sentence all the same thing). BIP-39’s core objective revolves around crafting a phrase or sentence that is human readable and user-friendly, diverging from the utilization of raw binary or hexadecimal representations of a wallet seed. Simply, to map or replace computer-generated randomness with human-readable words. For this mapping a predefined wordlist is used, the English-language wordlist comprises 2048 unique words.

So how does BIP-39 work? How is your precious seed phrase generated? For this a TRNG (True Random Number Generator) source is used, in case of a hardware wallet this could be the microcontroller. This TRNG generates an entropy (ENT) whose size would be 128-256 bits depending on the number of words in the seed phrase (a seed phrase could have 12-24 words). Something known as a checksum (CS) would be calculated and concatenated with the entropy and this whole string of bits, that is ENT + CS would be split into groups of 11, each encoding a number from 0-2047, serving as an index to a wordlist. Once these numbers are converted into words they are joined to create a seed phrase or mnemonic sentence.

It is crucial to emphasize that a seed phrase, while essential for security and wallet recovery, is insufficient for executing transactions and managing cryptocurrency. To enable the signing and transfer of coins, as well as the receiving of coins, a set of private and public keys must be derived from the 12-24 word mnemonic sentence. And yes, your seed phrase and private key are not the same.

Once your seed phrase is generated, it is fed as an input to the PBKDF2 (Password-Based Key Derivation Function 2) and HMAC-SHA512 functions along with the string “mnemonic” + an optional passphrase which the user can choose. This passphrase would be like the 25th word of your mnemonic sentence; by default an empty string ” ” is used. The output hash (output of HMAC-SHA512) is the wallet’s 512-bit “seed”.

This 512-bit seed is in fact your master “keys” or extended key, it is divided into two 256-bit parts, one part is the master private key and the other part is the master chain code. A master public key will be derived off the master private key cryptographically and these are the keys used for sending and receiving coins. The private key is used for signing transactions and sending coins, while the public key is used for generating account addresses and receiving coins.

Now we know how your mnemonic sentence or seed phrase is generated and how it is important for enabling you to send and receive coins. We also came across the term passphrase. Now let’s dive deep into what seed phrases and passphrases are and how they’re fundamentally different.

What does your seed phrase really signify?

You must know plenty about seed phrases now from the above section. A seed phrase is a randomly generated 12-24 word sentence created during the initial wallet setup. It is also known as the recovery phrase or backup phrase because it contains all the necessary information required to access the cryptocurrency funds associated with the corresponding wallet. This makes seed phrases essential for wallet recovery and security. As long as you have access to your seed phrase, you’ll be able to access all the crypto associated with the wallet or seed, even if you delete your software wallet or lose your hardware wallet. Therefore, it’s crucial to keep them safe. Wallets that follow the BIP-39 standard are interoperable, which enables you to switch wallets easily. You only need to enter your recovery phrase into the new wallet, and your funds and assets associated with the seed will be available there.

Seed phrases are used to create wallets. Wallets for multiple or different cryptocurrencies, such as Bitcoin, Etherium, and Solana, can be derived from a single seed phrase. Each of these coin types will have a unique wallet derivation path. One seed phrase can be used to generate wallets or accounts for any coin, whether it’s Bitcoin or an alternative coin, any number of times (n number of wallets/accounts for the same cryptocurrency). Standardized wallet generation streamlines the process and improves convenience.

Both software and hardware wallets can use a single starting point to derive all the private keys, public keys, and addresses (which is the hash of a public key). This unique starting point is our ‘mnemonic sentence’ or ‘seed phrase.’ Essentially, from one single master key, multiple child keys can be derived or generated, depending on factors such as your coin type.

What is a passphrase? How is it different from a seed phrase?

We’ve already encountered the concept of a passphrase when discussing BIP-39. Unlike seed phrases, which are generated for you, a passphrase is an optional word or phrase that you can choose for yourself once your wallet has generated its 12-24 word seed phrase. This additional word or phrase effectively acts as a 25th word of the seed, and it is never saved on the device. For this reason, you’ll need to enter the passphrase every time you run your wallet to access your cryptocurrency. This provides an extra layer of security, ensuring that even if there were a known or unknown vulnerability in your wallet that gets exploited, and even if your seed phrase gets exposed, your passphrase cannot be extracted and without the passphrase, the seed phrase would be obsolete and useless.

However it is very important to know how using a passphrase with your seed phrase would affect your wallet. Suppose you initially set up your wallet with just the seed phrase, and as a result, seed or master keys are generated. If you later decide to use the same seed phrase but include a passphrase, the generated 512-bit seed and the corresponding master keys will be different. This means that each time you use a unique passphrase with your seed phrase, you’re creating a completely new and distinct wallet. You can use any number of passphrases or “salt” with your seed phrase to generate multiple distinct wallets

Because the passphrase functions as the “25th seed word,” it’s essential to understand that your entire wallet, including key pairs and addresses (all the sensitive information), is generated from the passphrase as well. Think of the passphrase as that extra puzzle piece required to complete the picture. Without the passphrase, you won’t be able to access your wallet, as it becomes a necessary component of your seed, if enabled.

Like so, the wallet passphrase can provide additional layer of security and they can serve different purposes :

1. Protection from Seed Exposure : When your wallet is set up with a passphrase, even if your seed phrase becomes exposed, a thief or attacker won’t be able to access your funds because both the seed phrase and the passphrase are required. This is advantageous, especially in the case of physical attacks on hardware wallets, as only the seed phrase might be exposed.

2. Ability to Create Hidden Wallets : Multiple wallets can be created by using different passphrases. Even if someone gains unauthorized access to your wallet, they won’t be able to access your funds as the wallets containing coins are hidden without the passphrase. Passphrases also give users the ability to create dummy or decoy wallets with low balances, which can be beneficial in scenarios like the $5 wrench attack.

3. Ability to Create Multiple Wallets : Multiple wallets can be created from the same seed phrase. Typically, a wallet can handle one seed at a time, but by using multiple passphrases, you can set up multiple wallets from a single seed. This provides flexibility and organization for managing different aspects of your cryptocurrency holdings.

Understanding the distinctions between seed phrases and passphrases is vital for protecting your digital assets. The primary difference between seed phrases and passphrases lies in the purposes they serve. Seed phrases are primarily used for wallet recovery in case of loss or damage, while passphrases are employed to enhance the security of your wallet.

It’s evident that passphrases offer added security and convenience for storing crypto funds and assets. However, this added security comes with the responsibility of safeguarding passphrases, as losing a passphrase can lead to the permanent loss of your cryptocurrency. Ultimately, the choice between using a seed phrase and a passphrase depends on your specific security requirements and backup capabilities.

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Intro

Time and again, we hear headlines about exchanges falling victim to hackers or influencers and celebrities losing substantial amounts of cryptocurrency. Crypto scams and hacks have become increasingly prevalent, and they seem almost inevitable in this digital age.

That’s precisely why understanding the reasons behind crypto losses and equipping yourself with knowledge on how to prevent and safeguard your funds as a crypto enthusiast is of paramount importance. As the saying goes, knowledge is power, and even the most secure wallets, on their own, may not provide foolproof protection against these crafty scammers.

Your wallet, when combined with your knowledge, serves as your shield in the battle against potential crypto losses. In this dynamic landscape, where the identification of such scams tends to be challenging and the sole reliance on the crypto wallets may not suffice, a comprehensive understanding of the potential threats and the adoption of proactive measures becomes your strongest allies in safeguarding your crypto assets. In this article, we will delve into the methods through which cryptocurrency can be compromised and provide valuable insights on enhancing your security measures.

Reasons Why You Can Lose Your Crypto!

Storing Your Funds Online

The internet presents the most significant threat to your crypto security. Most crypto theft attacks and scams occur online. Therefore, it is crucial to never store your private keys and funds in hot wallets or software wallets like Metamask, and avoid using any cloud storage for backup that is always connected to the internet. In the past, there have been incidents in which hot wallets were hacked, leading to users losing their funds.

In a security breach that occurred earlier this year in July, the crypto payment platform Alphapo fell victim to a hot wallet hack, resulting in the theft of $23 million worth of Bitcoin and various other cryptocurrencies. The ongoing growth of the cryptocurrency industry underscores the necessity for robust crypto security practices to protect both individuals and businesses from potential threats.

For personal use, you should always use a cold wallet or hardware wallet like the Cypherock X1, which is always offline and never connected to the internet, to keep your funds safe. To begin, the seed phrase is generated offline and displayed to you through a secure and trusted interface, and the private key is only used to sign transactions. This way, your private key and seed phrase both remain offline and secure.

Backup Storage

Many individuals store their recovery phrase or seed phrase on a piece of paper or in a metal backup. However, this method has certain drawbacks:

1. Your seed phrase is stored in an unencrypted and unprotected manner.

2. The paper or metal backup serves as a single point of failure. If someone gains access to your backup, or if you ever misplace it, you risk permanently losing access to your assets.

It is always advisable to create multiple copies of your seed phrase and store them in different secure geographical locations. This approach helps mitigate the risk of losing access to one of your backups, but it still involves exposing your seed phrase in physical form, whether on paper or metal.

Another way to address this issue is by using a hardware wallet like the Cypherock X1, which can also function as a seed phrase vault. Your private key is divided into five parts and stored in five tamper-proof hardware devices (an X1 vault and four X1 cards). These parts are encrypted and protected by a PIN. To access your seed phrase, you only need one X1 card and the X1 vault, or any two X1 cards along with the PIN. This setup ensures that even if you were to lose one or two cards, you would still retain access to your funds.

Social Engineering Attacks

One of the most common ways people lose their cryptocurrency is by falling victim to social engineering attacks, such as phishing. Social engineering involves manipulating, influencing, or deceiving a victim into sharing personal and sensitive information, like seed phrases, or taking actions that can compromise security and privacy.

These types of attacks are prevalent and occur frequently. Users often become victims when they click on malicious links sent by the attacker via email or text message. These links can redirect them to phishing websites or prompt them to download malicious software or firmware updates, potentially putting their private keys at risk. In some cases, attackers can take control of the host device, which is typically a PC or smartphone connected to the internet, making it vulnerable to remote attacks. Once the attacker gains access, they may employ social engineering techniques to trick you into revealing your seed phrase.

In September this year, well known American businessman, investor, film producer, and television personality Mark Cuban suffered a significant loss of approximately $870,000 in a crypto scam. The Dallas Mavericks owner, likely clicked on a phishing link after “months of inactivity. He was tricked into downloading a fake MetaMask wallet application having a backdoor through which the hackers were able to transfer all his funds and assets.

For these reasons, it’s crucial to never trust messages or emails or links from third parties, and you should be aware that legitimate crypto wallet companies or exchanges will never ask you to enter your seed phrase or private key. It’s also a good practice not to use the same system for managing your cryptocurrency and for general web surfing.

Blind Signing Transactions

Before signing a blockchain transaction, it is of utmost importance to thoroughly check and verify the transaction details, including sender and recipient addresses, coin type, and the amount of coin to be transferred manually, before confirming the transaction.

Although some transaction requests may appear harmless, they can potentially provide scammers with opportunities to steal your cryptocurrency. Through social engineering, it’s possible for malicious actors to trick users into signing a tampered or fraudulent transaction. For instance, if an attacker gains access to your system or the host (such as the companion app or the system running it), they can manipulate recipient addresses, change addresses, and transaction amounts initially entered by the user. The attacker can deceive the user into approving a fraudulent transaction by displaying the same address and amount on the app but internally altering the details to their advantage before the user signs it. A compromised host can present entirely different transaction information. Once this manipulated transaction is broadcast to the blockchain, all of the user’s funds are lost.

For these reasons, it is essential to choose a hardware wallet that supports clear signing and features a trusted display, such as the Cypherock X1. In such wallets, all transaction details are presented in a human-readable format, allowing you to manually review and verify them. This approach ensures that you do not blindly trust the host and do not sign malicious transactions unknowingly.

Poor Management of Crypto Assets

Relying solely on a single wallet to store all of your cryptocurrency assets and conduct all operations can be risky. If this single wallet is compromised or if you unknowingly sign a malicious transaction, you risk losing all of your funds. Therefore, it’s advisable to have multiple wallets for different purposes and segregate your crypto assets, you can also spread your assets across multiple storage types. Diversifying your storage methods can enhance security and reduce the risk of losing everything if one wallet is compromised.

The Cypherock X1 wallet allows you to securely store up to four different seed phrases or wallets. Additionally, the device supports a passphrase feature, which can add an extra layer of security to your seed phrase. This passphrase acts like a 25th word, enabling you to access multiple unique, “secret” wallets from your regular device. This functionality enables you to create and manage multiple wallets from a single single seed phrase for various purposes. The wallets created with these passphrases can serve as low-balance dummy or decoy wallets, providing valuable protection against potential attacks, such as the “$5 wrench attack.

Storing Your Funds In A Crypto Exchange

Although keeping your crypto assets in crypto exchanges like Coinbase, Binance, and CoinSpot is the easiest way to manage them, it also carries significant risks. Many crypto exchanges, including Binance and FTX, have experienced security breaches in the past. In 2019, hackers stole $40 million from Binance cryptocurrency exchange along with two-factor user codes and API tokens. Following the recent events there is no guarantee that such incidents won’t occur again. If your chosen exchange is compromised, you could face permanent loss of your crypto assets.

Therefore, it is strongly recommended to always transfer your cryptocurrency from the exchange to a hardware wallet to secure your funds. This approach ensures that even if the exchange is hacked, goes bankrupt, or unexpectedly goes out of business, you will not lose the assets you’ve worked hard to accumulate. By doing this, you eliminate the need to trust the exchange company with the responsibility of safeguarding your assets.

The Cypherock X1 cold wallet offers a solution for this purpose. Unlike centralized crypto exchanges, the Cypherock X1 decentralizes your private keys and stores them securely offline. By self-custodying your crypto, you become your own bank, with full control over the security and management of your assets.

The Verdict

Arguably, the safest way to store cryptocurrency is by using a hardware wallet. These devices are immune to online remote attacks. Moreover, it is crucial to properly secure the hardware wallet by creating a strong passphrase, keeping the device’s firmware updated, and having a secure seed phrase backup. The Cypherock X1 excels in providing these essential security features.

The Cypherock X1 is exceptionally secure and robust, featuring a secure element for enhanced security. The wallet is completely open source and audited by keylabs. Cypherock X1 divides the private key into five parts, and all five hardware components where they are stored are equipped with an EAL 6+ secure element, the highest level of security certification. This approach ensures that your private keys are always safe and securely stored. You can further enhance security by setting up a PIN for each of the hardware components, including the X1 vault and the four X1 cards, where your private key is divided and securely stored. To access your seed phrase, you only need one X1 card and the X1 vault, or any two X1 cards along with the PIN. The device also offers advanced features, such as the passphrase feature, to add an extra layer of security.

Additionally, the Cypherock X1 can function not only as an excellent hardware wallet but also as a seed phrase vault. You can securely import and store your existing wallet’s seed phrase in the Cypherock X1, where it is again split into five parts and securely stored. Again, you can conveniently use just one X1 card and the X1 vault to access your seed phrase anytime for any purpose, eliminating the need for paper or metal plates to store your seed phrase in an unencrypted and unprotected form.

Now that you are aware of the potential risks and methods by which your cryptocurrency can be stolen or lost, it’s crucial to understand that, no matter how secure your hardware wallet is, you cannot solely rely on it to protect your funds. Ultimately, the responsibility for safeguarding your cryptocurrency lies with you, and this entails continually improving your knowledge of the crypto ecosystem and practicing vigilance in your actions.

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When it comes to safeguarding your valuable crypto assets, one of the most crucial decisions you’ll make is how to back up your essential seed phrase. While jotting it down on a piece of paper might seem like the simplest option, it’s far from the safest. Let’s dive into why metal backups became so popular and the inherent problems they still carry. Plus, we’ll introduce you to an innovative solution, the Cypherock X1, which redefines seed phrase security.

Why Metal Backups Gained Prominence

In the early days, individuals would simply write down their seed phrases on paper and keep them secure. However, paper isn’t the most secure option. It can be vulnerable to theft, damage, and environmental hazards such as fire and water. Additionally, if you use a standard pen, the ink may fade or even spread over time. This is where metal backups came into the spotlight as a reliable solution.

Metal backups are known for their durability, designed to withstand the harshest treatment. They’re fire-resistant, impact-resistant, and some even resist stains and corrosion, depending on the type of metal used. Stainless steel, titanium, and aluminum are popular choices. Your seed phrase gets etched or engraved onto this robust medium, making it nearly indestructible. Sounds impressive, right?

The Challenge with Metal Backups

However, there’s more to the story. Metal backups may resolve some of the issues associated with paper backups, but they don’t address all concerns. Sure, they’re sturdy and resistant to various environmental factors but the method of storing the seed phrase on metal remains the same as with paper backup, they are basically just a hardened and tamper proof paper. However, the critical issue here is data security.

You see, not only the where and what of storing your seed phrase are crucial, but how it is stored is also equally important. Your seed phrase is etched onto the metal in its raw form, any mistakes while engraving the words on the metal could lead to confusion and difficulties in accurately recovering crypto assets.

Even more concerning, your seed phrase remains exposed on that metal plate. Anyone who gains access can potentially compromise your funds. If you lose your metal backup, it could mean saying goodbye to your crypto assets.

To top it off, it’s essential to understand that even though a metal backup is an improvement over paper, it still has limitations in safeguarding your funds. Storing your seed phrase within a metal sheet or piece still doesn’t solve the issue of your seed phrase being the single point of failure. A breach or loss of one physical object could potentially jeopardize access to your valuable crypto assets.

Cypherock X1 as a Seed Phrase Vault

Now, let’s introduce you to a more advanced yet simple, secure alternative: the Cypherock X1. The Cypherock X1 is a hardware wallet cum seed phrase vault which offers a more convenient and secure solution. The Cypherock X1 uses Shamir Secret Sharing to divide your BIP-39 seed phrase into five distinct parts.

These five parts are then securely distributed across four X1 cards and the X1 vault, which serves as the central device equipped with a built-in screen. You can set a unique PIN to protect each of these parts (seed phrase) individually on these five hardware components (the X1 vault and four X1 cards), adding an extra layer of security. This approach ensures that all five parts of your seed phrase remain encrypted and well protected, so even if someone gains unauthorized access to any of these cards or the vault, they will not have access to the seed phrase. Store each of these four cards in four different locations, and your funds are safe.

Since the Cypherock X1 employs Shamir Secret Sharing to split the seed phrase, it enables the reconstruction of the full seed phrase with just any two out of the five parts. This is achievable through the two-of-five threshold scheme that Cypherock X1 uses. Users can utilize any two of the X1 cards or combine an X1 card with the X1 Vault to recover the full seed phrase. This ensures that even if a user were to lose one or two parts, such as a card or the vault, they would not lose access to their funds.

Bid Farewell to Paper and Metal

With the Cypherock X1, there’s no need to write down your seed phrase on paper or etch it onto metal plates. This innovative solution eliminates the single point of failure issue, keeping your seed phrase secure and offline by decentralizing it across the X1 vault and X1 cards. Plus, it’s BIP-39 compatible, making it easy to store and back up existing seed phrases from your other wallets like MetaMask, Ledger, Trezor, and more.

It’s important to highlight that, in contrast to numerous other hardware wallets, the Cypherock X1 can manage up to four distinct BIP-39 wallet accounts, saving you from the hassle of handling multiple paper or metal backups. It’s your all-in-one solution, whether you need a personal hardware crypto wallet or a dedicated seed phrase backup manager for multiple wallets.

Your crypto assets deserve the best protection, and the Cypherock X1 delivers just that. Say farewell to the old, vulnerable ways of backing up your seed phrase. Embrace the future of secure crypto storage and embark on a worry-free journey with the Cypherock X1. Your keys, your control, your peace of mind – it’s time to elevate your crypto security game. Say goodbye to loss of crypto with Cypherock X1.

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In the realm of cryptocurrency security, the term “air-gapped wallet” has gained significant attention and reverence. This concept refers to a crypto wallet that is entirely disconnected from any computer or network, most notably the Internet. It is a security measure that physically isolates a device from an untrusted network, aiming to provide the utmost protection for your digital assets. But is the hype around air-gapped wallets justified, or is it more of a myth? Let’s delve into the details.

What do you mean by the term “Air-Gap”?

The term “Air-Gap” denotes a security measure aimed at physically isolating a device from untrusted networks, notably the internet, by eliminating all network interfaces. It serves as a fundamental security principle, frequently employed in critical infrastructure scenarios. While this isolation serves as a robust defense mechanism, practical operational needs often necessitate the exchange of data with network-connected devices, effectively bridging the “air gap.” This data transfer process typically employs USB flash drives or SD cards. The security of an air-gapped system hinges on ensuring that the exchanged data remains untampered and free from malicious alterations during its transfer. This concept offers a level of protection that is among the highest attainable, effectively segregating one network from another.

To facilitate data transfer between the isolated air-gapped system and external environments, a common practice involves copying data onto a portable storage medium, such as a removable disk or USB flash drive, and physically transporting this storage medium to the target system.

However, it is imperative to exercise stringent control over this access since USB drives themselves may harbor vulnerabilities. In fact, highly sophisticated computer viruses tailored for cyberwarfare, exemplified by Stuxnet and agent.btz, have been meticulously engineered to infiltrate air-gapped systems by exploiting security weaknesses associated with the handling of removable media.

What is an Air-Gapped Wallet?

An air-gapped wallet is a specialized cryptocurrency wallet that maintains complete disconnection from the internet and all network interfaces. It functions in a state of absolute isolation, devoid of any connections via USB, Bluetooth, or WiFi. Instead, it relies on alternative methods of communication, such as microSD cards or QR codes. These methods are employed for essential and basic functions like signing transactions, storing backups, and performing firmware updates.

The Rising Popularity of Air-Gapped Wallets

The surge in interest surrounding air-gapped wallets can be attributed to the perception that their physical isolation from the online world makes them impervious to hacking attempts. In other words, if it’s not connected to anything, it can’t be hacked, right? This notion has fueled the growing popularity of air-gapped wallets among cryptocurrency enthusiasts. Many hardware wallet vendors have also joined this trend by promoting air-gapped wallets as a more secure and protected option for users. Let’s deep dive and explore whether air-gapped wallets indeed deliver enhanced security compared to their traditional counterparts.

Comparing Air-Gapped Wallets to USB Hardware Wallets

To understand the allure of air-gapped wallets, it’s essential to contrast their operation with that of USB-connected wallets. Both involve data exchange between the wallet and a computer or mobile device, but the manner of exchange differs significantly.

In the case of an air-gapped wallet, the exchange occurs through a companion application that generates an unsigned transaction. You initiate an unsigned transaction within the application, which is then conveyed to the hardware wallet either by scanning a QR code or by reading data from a microSD card. The hardware wallet subsequently signs the transaction offline, utilizing its private key. This signed transaction is then returned to the computer through a QR code scan or via a microSD card for broadcasting on the network.

Conversely, USB-connected wallets also entail offline preparation of unsigned transactions via the companion application. These unsigned transactions are then transmitted to the hardware wallet using a USB connection. The hardware wallet proceeds to sign the transaction offline with its private key and transmits the signed transaction back to the computer through USB. Subsequently, the computer broadcasts this signed transaction to the blockchain network.

If you take a closer look, you’ll realize that both air-gapped wallets and standard USB wallets involve the exchange of data. Whether you’re signing a transaction or undergoing the device authentication process, data flows between your PC or mobile device and your wallet. The critical distinction lies in how this data or information is exchanged. In essence, data is still being transferred between the computer and the air-gapped hardware wallet; it’s just that the medium of transfer has shifted from a USB cable to a microSD card or QR code.

What truly matters, however, is not the method of data transfer but the content or data itself. This “what” - the data - can still be vulnerable to a compromise. A notable vulnerability to take into account is the potential infiltration of malware capable of manipulating communication and effecting undetected alterations. For instance, during a firmware update via microSD, the firmware could be tampered with maliciously, and attackers could inject code to modify receiving addresses or alter change addresses. This could result in financial losses for users, as their funds may be unintentionally sent to addresses they did not intend to use. QR codes can also be maliciously altered on multiple levels (the QR code would contain the address and the amount of coin you want to send), including through backdoors introduced by an upstream library that controls camera images or rendering of QR codes, camera firmware, or by malware running on the host. Notably, USB communication does not offer inherent protection against this particular attack vector. This emphasizes that the integrity of communication can still be compromised, regardless of whether it’s an air-gapped wallet or a conventional standard wallet.

Furthermore, when utilizing microSD cards or QR codes for communication, it’s essential to take into account that microSD cards themselves contain a microcontroller, which could potentially be running firmware susceptible to exploitation by hackers. Essentially, you are still connecting a mini-computer (which could be tampered with) to your hardware wallet. This concept of potential attack surfaces similarly applies to USB software drivers, as they may depend on external software library dependencies, much like camera drivers and SD card drivers. It’s important to note that privacy can be compromised by shoulder surfing and surveillance cameras observing QR codes or text displayed in an app or on the wallet screen. Given these considerations, it becomes evident that transitioning from USB to QR codes and microSD cards neither eliminates the risk of hacking nor reduces the attack surface.

The Fallacy of True Air Gaps

The core issue revolves around the misconception of achieving an absolute “air gap”. In reality, even with the abandonment of USB in favor of microSD cards or QR codes, data transfer remains a necessity. The air gap, on its own, does not inherently boost security. Instead, the crux of the matter lies in how the wallet inspects and validates received data. The security of the hardware wallet fundamentally relies on the integrity of the transferred data and how effectively it is analyzed and verified by the wallet. The hardware wallet’s architecture and firmware should be designed to detect any malicious changes to its code or tampering with the device. In essence, it’s the robustness of these security measures, rather than the mere presence of an air gap, that truly enhances the wallet’s security.

Operations that require no external information, like creating a wallet seed, generating receive addresses, naming a wallet, or enabling/disabling a passphrase, can be conducted without any communication. This ‘no communication’ approach can reduce the attack surface and is applicable to most hardware wallets, even those not explicitly marketed as air-gapped. For instance, you can achieve this by running the wallet off a power bank to display a receive address on the hardware wallet’s screen.

However, it’s important to recognize that achieving a true, perpetual air gap, where wallets are completely isolated from external contact, is more of a myth than a reality. Such wallets would only be able to perform functions we discussed earlier, refraining from firmware updates and seed backup, because for these tasks, communication via external data transfer components like SD cards is still necessary. This level of isolation, however, is not practical for most cases and most wallets, as operations like firmware updates are essential.

Inherent Vulnerabilities

Air-gapped wallets, despite their perceived superiority, are not impervious to vulnerabilities. Attack vectors still exist, including EM emissions, deeply hidden trojans in the OS or application software, and even side-channel leaks via QR codes. These issues are fundamentally difficult to address and resolve. Ultimately, the trust we place in a hardware wallet hinges on its firmware’s integrity, ensuring that it remains free from malicious tampering.

In conclusion, air-gapped wallets do not provide enhanced security in the cryptocurrency realm compared to standard wallets. They also do not reduce the attack surface when compared to standard wallets. The method of data transfer matters less than the wallet’s architecture and its ability to safeguard against threats. True air gaps are elusive, and vulnerabilities persist. Security-conscious cryptocurrency users must remain vigilant, understanding that safety depends not only on the physical isolation of their wallets but also on the integrity of the devices themselves.

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