The seed phrase can be converted to a number which is used as the seed integer to a deterministic wallet that generates all the key pairs used in the wallet. ExplanationĪ simplified explanation of how seed phrases work is that the wallet software has a list of words taken from a dictionary, with each word assigned to a number. Hotel obvious agent lecture gadget evil jealous keen fragile before damp clarifyĮxample seed phrase on paper. is an attempt at helping with this issue, but ideally there will be a better solution in the future.Īn example of a non-BIP39 seed phrase is: BIP39 works this way because its designers wanted their hardware wallet to also support altcoins. Most seriously, BIP39 flaws mean it is not true to say that backing up a BIP39 seed phrase and name of wallet software is the only thing a user needs to do to keep their money safe. They are described here on this electrum doc page. BIP39 has some flaws, known in the technical community but not known much wider. One notable example is Electrum wallet, which is using its own standard, and for good reasons. 5 Storing seed phrases for the long termīIP39 is the most common standard used for seed phrases.Although these technologies are in their infancy as of 2019 so its possible in future seed phrases could be used to backup them. They cannot store funds involved in off-chain transactions such as Lightning Network or Blinded bearer certificates. Seed phrases can only back up funds on the block chain. Seed phrases are an excellent way of backing up and storing bitcoins, so they are used by almost all well-regarded wallets. For example, it must not be typed into any website. If the user's computer breaks or their hard drive becomes corrupted, they can download the same wallet software again and use the paper backup to get their bitcoins back.Īnybody else who discovers the phrase can steal the bitcoins, so it must be kept safe like jewels or cash. Wallet software will typically generate a seed phrase and instruct the user to write it down on paper. Do not send bitcoins to or import any sample keys you will lose your money.Ī seed phrase, seed recovery phrase or backup seed phrase is a list of words which store all the information needed to recover Bitcoin funds on-chain. No.This page contains sample addresses and/or private keys. You can also get the full Bip39 wordlist in pdf. Especially if your backup is just word numbers, not full words. Please note that elsewhere you can quite often see the list numbered 0-2047, so be aware of that. This list is numbered from 1 to 2048, the same as in the official BIP39 specification ( Source). It might make restoring the wallet difficult or impossible. (table below)Īlthough there are BIP39 wordlists in languages other than English, it is strongly not recommended to use non-English words for wallet backups. The set of 2048 words in BIP39 was set in 2013 and will not be altered in the foreseeable future, so you can be sure about your wallet backup for years. Official BIP39 Word list (mnemonic) – in English, All Coinplate products are 100% compatible with BIP39 recovery phrase. It is recommended to use metal crypto wallet as a a durable backup for your BIP39 mnemonic seed phrase like Coinplate Alpha which is 100% stainless steel. It is worth mentioning that, only 4 first letters are needed to identify each word from the list, because there are no similar words and combinations of first four letters are unique to each word. Although the lists in different languages exists, it is not recommended to use them because most wallets do not support other than English words. The BIP39 protocol uses a list of 2048 carefully chosen English words. Glory remain shrug expand feed they notice similar diagram acquire hour razor Read the full list of BIP39 compatible wallets.Įxample of BIP39 mnemonic phrase with 12 words: The wallet software uses algorithms to create a private key internally from your BIP39 words so you don’t have to. This set of words will be translated by wallet software to generate a deterministic wallet addresses. BIP39 allows user to use a set of words to access their cryptocurrency wallet instead of complicated private key. With BIP39 recovery phrase (also called mnemonic phrase), user can backup and recover Bitcoin and other cryptocurrency wallets without the need to use complicated private keys. Instead wallet can by recovered using seed phrase made of natural language words. BIP39 comes from Bitcoin Improvement Proposal no. This was to simplify process of creating recovery seeds for your wallet and restoring it. With the introduction of BIP39, the whole process of generating and accessing bitcoin and other cryptocurrency wallets was simplified. OFFICIAL BIP39 WORD LIST (MNEMONIC) – IN ENGLISH (VERIFIED) What is BIP39?
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