Hierarchical deterministic wallets (BIP32) are the standard way to handle wallets in eCash.
This allows users to take a seed derived from a mnemonic and derive the private key of a given path.
Depends on D17612.
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Similar question as with D17612
There's a good deal of empirical history with https://github.com/bitcoinjs/bip32/
Could you give a few sentences about the approach used here and how it differs from the legacy lib?
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This one is more of a 1-to-1 translation of bip32, compared to bip39 which I did a lot of improvements for.
The main differences are:
- Cleaner code (no usage of variables like I, IL, IR, __Q and __D)
- Re-uses our Ecc instance, so that no dependency like tiny-secp256k1 has to be installed, just a normal Ecc instance. This is significant because this way you only have to get one library to work (ecash-lib), which is tightly integrated and not two or more.