Aries RFCs—Requests For Comments—are topics, features and concepts for standardizing the Aries ecosystem.
Each RFC goes through a five-stage lifecycle as seen below.

Aries RFCs are for those building on Aries. Because of this, if you are just using Aries frameworks for your projects (such as ACA-Py) then you probably don’t need to be concerned about Aries RFCs.
Architecture

Characteristics
- RFCs focus on features, and concepts underpinning the features, but not the minor details
- Each RFC beyond ‘Proposed’ has at least one implementation