Structuring a Crypto Trading Platform From Business Rules to System Architecture

joelryan132

New member
When developing a crypto trading platform , I think the first step should be understanding how the business wants the system to work. Starting with a ready-made template can make development easier at first, but it may not fit the actual trading process the business has in mind.

I would first map out what happens when an order enters the system. How is it checked? When does it become active? What happens when it is matched, canceled, rejected, or only partly completed? These decisions give developers a better base for building the core trading logic.

The same applies to wallet balances and transaction records. The application state and blockchain state may not always change at the same time. The development team needs to decide how these states are tracked and what should happen when a transaction fails or receives an unexpected response.

From there, the architecture can be divided based on the responsibilities of each part of the platform. Trading logic, wallet processing, blockchain communication, and external integrations can be developed with clear boundaries between them.

For me, this makes crypto trading platform development less about modifying an existing product and more about building the system around the business process from the beginning.

How do other developers here usually approach the architecture before writing the core trading logic?
 
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