EPIC: AuthN & Monetization of API

[Nana-EC]

Problem

As a block node operator
I want to ensure authenticated access with paid usage on my streaming APIs
So that I can cover some of the costs of my BN instance

Solution

Add AuthN support to the BN APIs and charge based on usage for Block Service API

Alternatives

No response

Tasks

Beta Give feedback

1. EPIC: Account connection authentication #199
   Epic Phase 2 +2
2. EPIC: Streaming payments #200
   Epic Phase 2 +2