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fix: define motivation, remove account creation blurb.

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Fonta1n3 2021-02-24 21:36:10 +08:00
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@ -21,10 +21,16 @@ This BIP is a particular application of BIP43.
==Motivation==
The motivation of this BIP is to define the existing industry wide practice of utilizing m/48'
derivation paths in hierarchical deterministic multi-sig wallets so that other developers may
benefit from a standard.
The hierarchy proposed in this paper is quite comprehensive. It allows the handling of
multiple accounts, external and internal chains per account, multiple script types and
millions of addresses per chain.
This paper was inspired from BIP44.
==Key sorting==
Any wallet that supports BIP48 inherently supports deterministic key sorting as per BIP67 so that all possible
@ -75,21 +81,15 @@ This number is used as child index in BIP32 derivation.
Hardened derivation is used at this level.
Software should prevent a creation of an account if a previous account does not
have a transaction history (meaning none of its addresses have been used before).
Software needs to discover all used accounts after importing the seed from
an external source. Such an algorithm is described in "Account discovery" chapter.
===Script===
This level splits the key space into three separate <code>script_type</code>(s). To provide
This level splits the key space into two separate <code>script_type</code>(s). To provide
backward and forward compatibility.
The following represent mainnet, account 0:
The recommended default is pay to witness script hash <code>m/48'/0'/0'/2'</code>.
The following represent mainnet, account 0:
<code>1'</code>: Nested Segwit (p2sh-p2wsh) <code>m/48'/0'/0'/1'</code></br>
<code>2'</code>: Native Segwit (p2wsh) <code>m/48'/0'/0'/2'</code></br>