Tree idx < 2**320

Author: CarlBeek

EIPS/eip-2334.md

@@ -77,7 +77,7 @@ The purpose needs to be distinct from these standards as the KDF and path are no
 
 [BIP43](https://github.com/bitcoin/bips/blob/master/bip-0043.mediawiki) and [BIP44](https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki) are the commonly used standards for this purpose within Ethereum 1.0, however they have not been `Accepted` as standards as yet. Due to the use of a new KDF within [EIP-2333](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-2333.md), a new path standard is required. This EIP implements this, with minor changes.
 
-`purpose` `12381` paths do not support hardened keys and therefore the `'` character is invalid. Moreover, node indices within `BIP44` paths are `uint32`s whereas `purpose` `12381` indices are `uint256`s.
+`purpose` `12381` paths do not support hardened keys and therefore the `'` character is invalid.
 
 ## Copyright