Once you have justified the need for blockchain, you can analyze various factors to determine which blockchain solution fits the use case. The following diagram is self-explanatory in terms of identifying which type of blockchain suffices your requirement. However, if you want to get into the details for each type of blockchain, you can refer to the Types of blockchain networks section in Chapter 1, Exploring Blockchain and BaaS, where we provide details about the different types of blockchain.

The following diagram illustrates the qualifiers to identify the need for a specific type of blockchain:

The preceding diagram clearly highlights the qualifiers that can help you identify the type of blockchain network needed for the use case.