Bitcoin and Altcoin Hardware wallets

priv = mpk + H(pw|n)
B = priv * A mod P
= mpk * A + H(pw|n) * A mod P
= Bmpk + H(pw|n) * A mod p
where mpk is the master private key and Bmpk is the master public key. Private Key priv is composed from mpk and H(pw|n)
Type-2 hierarchical deterministic wallet: a tree of keys generated from a single seed
"entropy": "80808080808080808080808080808080",
"mnemonic": "letter advice cage absurd amount doctor acoustic avoid letter advice cage above",
"passphrase": "TREZOR",
"seed": "d71de856f81a8acc65e6fc851a38d4d7ec216fd0796d0a6827a3ad6ed5511a30fa280f12eb2e47ed2ac03b5c462a0358d18d69fe4f985ec81778c1b370b652a8",
"bip32_xprv":"xprv9s21ZrQH143K2shfP28KM3nr5Ap1SXjz8gc2rAqqMEynmjt6o1qboCDpxckqXavCwdnYds6yBHZGKHv7ef2eTXy461PXUjBFQg6PrwY4Gzq"

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