I would like to know which is the difference between Account extended private key and BIP32 extended private key. I was creating Mnemonic seeds (https://iancoleman.io/bip39/) and I stopped because I could not find out the difference
BIP 32 extended private key is a more generic term that refers to any private key that is derived and serialized according to BIP 32.
Account extended private key is the BIP 32 extended private key at a specific derivation path. This is described in BIP 44. For P2PKH Bitcoin addresses, this derivation path is