![]() We’ve seen users on forum asking questions like: “I lost my electrum wallet seed are my Bitcoins gone?”. Even if you forget to write down this seed initially you can find it later on in your wallet by entering your password but what if you forget your password. It is a client side functionality and is only available for you. This seed word is not saved anywhere on electrum servers. It is a master key that helps to recover your Electrum wallet completely. Remember that seed is not a private key of your wallet address. Example of seed word: “ buyer category snap balcony letter banner rest pool cake boil owner plug“. It is a 12 word mnemonic seed that is used to generate your wallet private keys. In addition to this we’ll show you how to find your Electrum wallet seed word and how to restore wallet from seed.Īlso read: How to setup Verge electrum wallet Electrum wallet seed word:Įlectrum wallet creates a seed word for you when you initially setup your wallet. This beginners guide is all about giving them a basic understanding on wallet seed and tell them how important the seed word is. Due to its simplicity most users advise beginners to use Electrum wallet but they are not given much awareness about the wallet seed. Not just secure, but compared to QT wallet Electrum is fast, simple and uses less resources. Master_private_key = create_bip32_extended_private_key(private_key, chain_code_bytes)īIP-39, an alternative derivation technique, is similar to Electrum 2.x but not identical.Electrum wallet for Bitcoin is one of the most reputable and secure wallet available for Desktops and Mobiles. Private_key = byte_array_to_int(seed_bytes, order=big_endian) Seed_bytes = hmac_sha512(key="Bitcoin seed", message=stretched_seed) Stretched_seed = pbkdf2_hmac_sha512(password=seed_utf8, salt="electrum", iterations=2048, output_length=64) ![]() If hmac_sha512(key="Seed version", message=seed_utf8) ≠ 1: ![]() Seed_utf8 = unicode_to_byte_array(seed_phrase, format=utf8) Remove_unicode_combining_marks(word) # e.g. Normalize_unicode(word, normalization=nfkd) # seems inappropriate for some CJK scripts such as Hiragana as used by the ja wordlist) # scripts when calculating the checksum or deriving a binary seed (even though this (It's technically possible to construct seeds of nearly any length which will be accepted when restoring an Electrum 2.x wallet.) Here's the pseudocode which calculates a BIP-32 extended master private key: # Electrum 2.x doesn't separate mnemonic words with spaces in sentences for any CJK In case you're wondering, it seems that the reason the seed_ints calculation looks overly complex may be to avoid infringing on a patent.įor comparison, wallets created by Electrum 2.x typically have seeds containing 13 words, however they will on occasion have fewer. Master_private_key = byte_array_to_int(seed, order=big_endian) # sha256 operates on and produces byte arrays Seed = byte_array() # an empty byte array Unstretched_seed = ascii_string_to_byte_array(seed_hex_str) + num_words2 * ( (seed_ints - seed_ints) % num_words )) + num_words * ( (seed_ints - seed_ints) % num_words ) Seed_hex_str = seed_hex_str + hex8( seed_ints # exactly 8 zero-padded lowercase hex digits ![]() # (hex8 converts an int into an ASCII string of ![]() # based on the word's position in the sorted word list # convert each word into an int in the range Given a zero-based array of seed_words of that length, this pseudocode calculates the master_private_key: i = 0 Wallets created by Electrum 1.x have seeds containing 12 words (24 words is also possible for custom-created seeds). ![]()
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