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iancoleman / bip39

A web tool for converting BIP39 mnemonic codes
https://iancoleman.io/bip39/
MIT License
3.53k stars 1.44k forks source link

Pasting BIP39 seed does not restore mnemonics #394

Closed kirillkovalenko closed 4 years ago

kirillkovalenko commented 4 years ago

Current behavior:

If I insert BIP39 seed into the corresponding area the BIP39 mnemonic area remains empty.

Expected behavior:

When I insert BIP39 seed into the corresponding area the BIP39 mnemonic area is filled with the BIP39 mnemonic words.

andronoob commented 4 years ago

The seed was derived from the mnemonic words through one-way hash function (2048 rounds of PBKDF2), therefore, it's impossible to convert a seed back to mnemonic words.