What Is a Seed Phrase? (2024)

The seed phrase, also known as backup, recovery, or mnemonic phrase, stores the data needed to access your non-custodial crypto wallet. It works as a master key that grants control over your digital assets. The seed phrase consists of 12 to 24 simple words, randomly sequenced from a list of 2048 words. Here is an example of what a 12-word seed phrase can look like:

carpet, cat, flower, chair, foot, river, make, image, amazing, three, say, shoe.

The seed phrase is generated the first time a user sets up a wallet. It ensures access to the crypto assets associated with the wallet that generated the phrase, even if the wallet interface through which you normally access it is deleted or lost.

How to Store Your Seed Phrase Safely?

The most secure way to store a seed phrase is offline. Among the most widely-spread practices is the old-school method of writing it down on a piece of paper and storing it in a physically secure location. To eliminate the risk of losing access to your seed phrase, you can also make copies and store them in multiple places. Crypto hardware wallet and security infrastructure providers offer steel capsules or cases that allow you to engrave or recreate your seed phrase and store it safely. Unlike paper, these tools are an almost indestructible storage medium since they can resist fire, water, and other hazards. However, they should also be stored in safe locations.

How Not to Store Your Seed Phrase?

A seed phrase can only be compromised due to a human error (e.g., falling victim to a phishing attack or storing it improperly). Here are a few tips on how to avoid that:

  • Don’t store the seed phrase electronically or pass it online.

Sending it to yourself via email or chat or storing it on a hard drive or a cloud makes it highly vulnerable to compromising in case your account or device gets hacked.

  • Don’t try to memorize it.

Rememberinga 12 to 24-word seed phrase is rarely a sound strategy since you should not only memorize all the words but also arrange them in the correct order.

  • Don’t take pictures of your recovery phase.

In case the files end up in the wrong hands or your device gets hacked, you will likely lose access to your funds.

  • Avoid storing your seed phrase in a password manager.

While password managers are reasonably secure, there have been instances when their security has been compromised.

What Happens If You Lose Your Seed Phrase?

In a nutshell, if you lose your recovery phrase, you lose access to your digital assets. However, depending on the situation, there might be different ways to act:

  • Losing your seed phrase but having access to your wallet.

If you lose your seed phrase (e.g., losing or damaging the medium it is stored on) but are still logged into your wallet, you will be able to access your funds. In such cases, you should just find the seed phrase in the wallet interface and store it securely.

  • Losing your seed phrase and access to your wallet.

In that case, you might lose access to your crypto assets. However, your funds remain intact on the blockchain, and if you’ve used Identity to manage your on-chain activity, a new wallet can be connected to it, and you will again be able to access and manage your funds.

  • Your seed phrase is stolen.

This is the worst possible scenario since access to your wallet will end up in the hands of whoever possesses the seed phrase, and you won’t be able to regain your funds. Bear in mind that, once lost, seed phrases can’t be recovered and only you should have access to it. Your seed – your crypto.

What Is a Seed Phrase? (2024)

FAQs

What Is a Seed Phrase? ›

Olha A. A seed phrase (aka mnemonic or recovery phrase) is a string of 12/18/24 words generated when you set up your wallet. For example, the OneArt wallet has a 12-word seed phrase.

Is a 12-word seed phrase enough? ›

Adequate Protection: With 2^128 possible combinations, the 12-word seed is a fortress against brute-force attacks. For most users, this level of security is more than sufficient to safeguard their digital assets.

What is a seed phrase? ›

A seed phrase is a sequence of random words that stores the data required to access or recover cryptocurrency. Seed phrases are generated by crypto wallets and are crucial for the safety of digital assets. It's essential to keep a seed phrase safe and private as it can be used to regain access to a crypto wallet.

How do I get my 12-word recovery phrase? ›

If you forgot to write down your backup phrase you can always access it within the wallet. You just need to enter the wallet with your password. Then go to the Settings tab and find Private Keys. View your phrase and save it in a safe place.

How safe is a 24-word seed phrase? ›

Both 12-word and 24-word phrases are vulnerable to phishing attacks, physical theft, and user error in storage. A securely stored 12-word phrase is far more effective than a carelessly handled 24-word one.

What is an example of a 12-word phrase? ›

Here is an example of what a 12-word seed phrase can look like: carpet, cat, flower, chair, foot, river, make, image, amazing, three, say, shoe. The seed phrase is generated the first time a user sets up a wallet.

What is the 12-word secret phrase? ›

Your 12-word secret recovery phrase is the key to your wallet and controls access to all your funds, so write it down and keep it safe! If your device is lost or stolen, the only way to recover your funds is with your secret recovery phrase.

How to guess seed phrase? ›

Guessing a seed phrase

People tend to think that it is easy to guess a seed phrase. However, remember that the possible word list contains 2,048 distinct words. Guessing a 12-word seed phrase in the proper sequence has a probability of 2048 to the power of 12.

What is the most common seed phrase? ›

One of the most widely-used standards for seed phrases is BIP39 (Bitcoin Improvement Proposal 39). And while it was initially proposed for bitcoin wallets, it became a popular standard across the board. It outlines how crypto wallets generate the phrase and reinterprets each word for wallet recovery.

Can you choose your own seed phrase? ›

Most crypto wallets automatically generate a seed phrase when set up. There aren't many choices available for customizing the seed phrase's settings because the procedure is often mechanical. This strategy is appropriate for most users who accept the generated seed phrase once, never to change it again.

What happens if you forget your 12-word phrase? ›

Unfortunately, if a 12-word seed phrase gets lost, there's no way to "reset" it. The person who lost their phrase will have no way to access their account or their assets, even if they appeal to the platform administrators. Keeping the recovery phrase safe is the only way to ensure consistent access to Crypto assets.

Can you change your 12-word seed phrase? ›

The only way to change your 12-word phrase is to create a new Atomic Wallet. For each wallet, a 12-word backup phrase is generated only once and creates the private-public key pairs for all the coins.

Can I recover my seed phrase? ›

If you lose access to your wallet and lose your seed phrase: You will lose access to your crypto assets. Seed phrases can't be changed or recovered, making them an effective security tool.

Should I take a picture of my seed phrase? ›

Write down your seed phrases on paper or metal.

Never store your seed phrase digitally. Do not type the words into a computer or take a picture of them. You can also purchase kits to store your seed phrase in metal, but never share your seed words with a third-party engraver or trophy shop.

Is it possible to crack a seed phrase? ›

However, seed phrases are considered very secure by modern standards. With a 12- or 24-word seed phrase out of 2048 possible words, determining the right words in the right sequence is almost impossible.

Has anyone ever guessed a seed phrase? ›

To guess your seed phrase, you not only need 12 correct words. You will also need to put them in the correct order. With a current, most up-to-date computer, it will take a few billion years to find that combination.

How hard is it to crack a 12-word seed phrase? ›

However, seed phrases are considered very secure by modern standards. With a 12- or 24-word seed phrase out of 2048 possible words, determining the right words in the right sequence is almost impossible.

How many 12-word seed phrases are there? ›

If a seed phrase contains 12 words, the number of potential combinations is 2048^12, or 2^132. Such a phrase has 132-bit security, meaning there are 340,282,366,920,938,463,463,374,607,431,768,211,456 possible combinations.

What are the odds of guessing a seed phrase? ›

With this number of words, there are 2,048 to the power of 12 (more than a decillion) possible seed phrase combinations, which is such a large number that the odds of someone guessing your phrase are almost zero.

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