FROM $44

Passphrase Crypto Wallet

An additional layer of cold storage security

Seed Wallets

Crypto Exchange Wallet

Master Password Wallet

Build Your Stack

Durable, Fireproof, and Waterproof Protection for The Critical "25th" Word

Ultimate Security for Your Crypto Passphrase

Once again, Black Seed Ink pushes boundaries with the only cold storage wallet designed for Passphrase protection. A stunning minimal design and purposely not sold in combination with any other crypto wallet. Consider the best practice of storing the passphrase in a location separate from the seed phrase cold wallet.

Starting at $44

Minimal Design Maximum Protection

Protect your crypto investments with Black Seed Ink's Passphrase Wallet, the ultimate durable, fireproof, and waterproof solution for securing your critical access data.

Blockchain Wallet Cold Storage


Black Seed Ink is constantly expanding the boundaries of cold storage

Passphrase plate with focus on the bottom left plate design showcasing passphrase data lines and the name of the hardware wallet the phrase applies to (i.e. Trezor)

Cold Wallet Protection


The seed phrase is like a master key that allows you to recover your crypto wallet and access all of your cryptocurrency holdings. Adding a passphrase to your seed phrase creates an additional layer of security, requiring two separate pieces of information to access your wallet.

Starting at $44

Two-Factor Crypto Security

Separating your passphrase from your seed phrase, just got easier. A hacker needs both to access your investments stored on the blockchain.

Passphrase vs. Seed Phrase

  • Passphrase, also known as a "25th word," is a smart addition to a seed phrase because it adds an extra layer of security to your cryptocurrency wallet. With Most hardware wallets the passphrase can be a word, a phrase or a sentence. Our cold wallets have room for whichever you choose.

  • Seed phrase is a series of words that serve as a backup for your private key, which is necessary to access and control your cryptocurrency holdings. If someone gains access to your seed phrase, they can easily take control of your wallet and steal your cryptocurrency.

A Second Layer of Protection

By adding a passphrase, you are essentially adding another layer of security that must be unlocked before anyone can access your wallet. Even if someone has your seed phrase, they will not be able to access your wallet without the correct passphrase. This is because a passphrase is used to create a "hidden" wallet within your main wallet, so you have two layers of protection instead of just one.

How It Works

A passphrase can be any string of characters, a word, or a sentence (hardware wallet technology specific) that you choose, but it is important to choose a strong, unique passphrase that is not easily guessable or discoverable. You should also make sure to remember your passphrase or store it in a secure location, as it cannot be recovered or reset if it is lost.

Keep it Cold, Keep it Safe

Passphrase Storage Tip

Storing the passphrase separately from the seed phrase is a crucial security practice in the world of cryptocurrency. This separation adds an extra layer of protection to your digital assets. While the seed phrase alone can restore access to your wallet, the passphrase acts as an additional security checkpoint. It ensures that even if someone gains access to your seed phrase, they would still need the passphrase to access your funds. This separation strategy greatly enhances the overall security of your cryptocurrency holdings, safeguarding them against potential threats and unauthorized access.

Stack All Your Passphrases

Bind Up To Six Wallets

Each plate provides space for two passphrases. Buy a stack of six to store up to 12 passphrases.

Reliable Steel Passphrase Plates

Heat Resistant

Protect your cryptocurrency from house fires! With temperatures up to 1300F, data loss risk is high. Choose our stainless steel passphrase plate (melting point 2550F to 2790*F) for ultimate security. Safeguard your passphrase today!

Durable Steel Passphrase Plates

Corrosion Resistant

Experience the ultimate durability for your crypto assets with Jameson Lopp's 16-hour acid stress test. Simulating decades of corrosion, ensure your investments stay safe and secure. Get the most robust protection available!

Electrophoresis Coating and Nylon Washers for Superior Rust and Fire Protection

Unmatched Durability with Custom Steel Screws

Our custom-manufactured steel screws undergo an electrophoresis coating process to protect against rust and corrosion. We use nylon washers to shield the plate’s finish from the screws and to act as a barrier against fusion welding in high-intensity fires.

Etching Tip

To minimize errors, first write your data on the steel plate USING A LEAD PENCIL. Review to ensure no errors, then trace over the lead text with the tungsten scribe included in every order.