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Apart from the general direction of blockchain, software has been trending away from monolithic implementations, in order to maximize developer efficiency, and reduce change fatigue. Smaller components can reach stability more easily than large monoliths can. 

Current monolith structure - password: hyperledger

Goals 

The goals of this work are to expand the contexts in which Besu can be valuable to users and operators while reducing tech debt in maintenance of the code base and its release process. New use-cases require client modification (customization of Besu's rules). New use-cases may also want some, but not all of the functionality that Besu provides. These use-cases may also want an easy way to package and distribute their work with Besu's permissive licensing.

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