add section on standardization

docs/rfc/rfc-004-accounts.md

@@ -81,6 +81,10 @@ caused by two factors: either as a consequence of a state transition coming from
 By implementing these proposed changes, the Cosmos SDK will benefit from a more extensible, versatile, and efficient account
 management system that is better suited to address the requirements of the Cosmos ecosystem.
 
+#### Standardization
+
+With `x/accounts` allowing a modular api there becomes a need for standardization of accounts or the interfaces wallets and other clients should expect to use. For this reason we will be using the [`CIP` repo](https://github.com/cosmos/cips) in order to standardize interfaces in order for wallets to know what to expect when interacting with accounts.
+
 ## Implementation
 
 ### Account Definition