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Bitcoin Improvement Proposals (BIP) Explained

Bitcoin Improvement Proposals or BIPs are design features, inputs, ideas, information, and changes for essentially how Bitcoin works. Topics can vary to virtually anything (including wallets). They are proposed to the Bitcoin community (users, miners, developers, businesses, investors, etc.) in a concise but detailed technical document

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The BIP39 (Mnemonic Seed) Wallet List

Most popular cryptocurrency wallets use the BIP39 standard: the use of mnemonics to serve as your back up recovery seed in the event your wallet becomes compromised. This is also known as a mnemonic seed phrase, recovery seed, wallet back up, etc.

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First 4 Letters of a Mnemonic Seed Phrase

Your 12-24 recovery seed phrase most likely comes from the Bitcoin Improvement Proposal: 39 (BIP 39). BIP 39 is the use of a mnemonic phrase -- a group of easy to remember words -- to serve as your back up recovery in the event your wallet becomes compromised. These words are pulled from a specific list of 2048 words.  In this list, the first 4 letters are unique to each word.

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