v0.5.6
Note these addresses are derived from the BIP32 Extended Key
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What is a mnemonic phrase?
A mnemonic phrase, also known as a seed phrase or recovery phrase, is a set of words used to help you recover access to a digital wallet or cryptographic key. These phrases are typically 12, 18, or 24 words long and are generated when you create a new wallet. The mnemonic phrase represents a sequence of words derived from a cryptographic algorithm that encodes a large, random number into a more easily memorable format. Each word in the phrase corresponds to a number in a predefined list (often the BIP-39 word list).
Can I use a mnemonic phrase to recover a crypto wallet?
Yes, you can use a mnemonic phrase to recover a cryptocurrency wallet. A mnemonic phrase, also known as a seed phrase or recovery phrase, is a sequence of words generated when you first create your wallet. This phrase encodes your wallet's private keys and allows you to restore your wallet on a new device or different wallet software.
Can I use BIP-39 to restore a wallet from a mnemonic phrase?
Yes, you can use BIP-39 to restore a wallet from a mnemonic phrase. BIP-39 (Bitcoin Improvement Proposal 39) is a widely adopted standard that defines the process of generating a mnemonic phrase from a cryptographic seed and using that phrase to derive private keys and addresses.
Are cryptocurrencies a good investment?
The suitability of cryptocurrencies as an investment depends on several factors, including your risk tolerance, investment goals, and understanding of the market.
Where can I buy cryptocurrencies?
You can buy cryptocurrencies through various platforms and services, each catering to different needs and preferences. Centralized Exchanges (CEXs) are the most popular platforms for buying, selling, and trading cryptocurrencies. They usually offer a wide range of cryptocurrencies and trading pairs. Examples: Coinbase, Binance, Kraken, Gemini, Bitstamp.
Read more at the official BIP39 spec
Read more at the official BIP32 spec
See the demo at bip32.org
Read more at the official BIP44 spec
Read more at the official BIP49 spec
Read more at the official BIP85 spec
Entropy values should not include the BIP39 checksum. This is automatically added by the tool.
Entropy values must be sourced from a strong source of randomness. This means flipping a fair coin, rolling a fair dice, noise measurements etc. Do NOT use phrases from books, lyrics from songs, your birthday or street address, keyboard mashing, or anything you think is random, because chances are overwhelming it isn't random enough for the needs of this tool.
Do not store entropy.
Storing entropy (such as keeping a deck of cards in a specific shuffled order) is unreliable compared to storing a mnemonic. Instead of storing entropy, store the mnemonic generated from the entropy. Steganography may be beneficial when storing the mnemonic.
The random mnemonic generator on this page uses a cryptographically secure random number generator. The built in random generator can generally be trusted more than your own intuition about randomness. If cryptographic randomness isn't available in your browser, this page will show a warning and the generate button will not work. In that case you might choose to use your own source of entropy.
You are not a good source of entropy.
Card entropy has been implemented assuming cards are replaced, not drawn one after another. A full deck with replacement generates 232 bits of entropy (21 words). A full deck without replacement generates 225 bits of entropy (21 words). Card entropy changed significantly from v0.4.3 to v0.5.0. The old version can be accessed at https://github.com/iancoleman/bip39/releases/tag/0.4.3 or https://web.archive.org/web/20201018232020/https://iancoleman.io/bip39/
What is PBKDF2 (Password Based Key Derivation Function 2) ?
Please refer to this wikipedia article for more detail. Mail about PBKDF2 security here.
Wallet software that implement BIP39 only use 2048 iterations as a norm. Increasing this parameter will increase security against brute force attack, but you will need to store this new parameter. However, as long as you back up your BIP39 seed there will not be risk to lost your fund. To access them with custom PBKDF2 iterations, use this file (or other) to compute your targeted BIP39 seed.
Using less than 2048 PBKDF2 iterations is insecure without strong optional BIP39 Passphrase.
Please refer to the software license for more detail.
The software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In no event shall the authors or copyright holders be liable for any claim, damages or other liability, whether in an action of contract, tort or otherwise, arising from, out of or in connection with the software or the use or other dealings in the software.
BitcoinJS - https://github.com/bitcoinjs/bitcoinjs-lib
jsBIP39 - https://github.com/iancoleman/jsbip39
sjcl - https://github.com/bitwiseshiftleft/sjcl
jQuery - https://jquery.com/
Twitter Bootstrap - http://getbootstrap.com/