1 and 0 = 2 bits

2048 words (BIP39) = 2^11

Each word = 11 bits of entropy

24 words x 11 ≈ 256 bits of entropy

23 = picked at random

24 = checksum, calculated based on the previous ones

XPRV1 = 24 words

XPRV2 = 24 words + passphrase

#bitcoin

https://nostr.build/av/ecddd9e1ab45098f0dd58804d9cc1c12f06dd3ab3ca0c128dec18a0e0dee4f13.mp4