To read the history of transactions on the blockchain network, you need to understand the fundamentals of the blockchain and how transaction data is stored. Here are some key steps and considerations to help you better understand and apply this process:

Choose a blockchain network: first, you need to choose the blockchain network on which you want to read transaction history. Some well-known blockchain networks include Bitcoin, Ether, and Litecoin. Different blockchain viewer networks have different features and structures, so choosing the right one is crucial.

Installation and Configuration of Blockchain Client: you need to install and configure the appropriate blockchain client to interact with your chosen blockchain network. These clients usually provide API interfaces that enable you to retrieve transaction data. Some common blockchain clients include Bitcoin Core, Geth (Ether), and Litecoin Daemon (Litecoin), among others.

Using API interfaces: Through the API interfaces provided by the blockchain client, you can retrieve transaction history data. These APIs provide a variety of functions, including fetching transactions at a specific address, searching for transaction hashes, and fetching block information. You can write scripts or applications using programming languages (e.g. Python, JavaScript, etc.) to call these APIs.

Parsing Transaction Data: Once you have the transaction data, you need to parse it to extract useful information. This may include the sender, receiver, amount, timestamp, and other attributes of the transaction. Depending on the blockchain network and API you use, you may need to parse this information using specific data structures and formats.

Data Storage and Analysis: To easily access and use this transaction data, you may need to store it in a database. In addition, with data analytics tools and techniques, you can further mine the transaction history for patterns, trends, and correlations. This helps to understand the dynamics of the blockchain network and characterize transaction behavior.

The reading and analysis of blockchain data are subject to a number of legal and ethical concerns. Make sure you operate within the bounds of legality and respect the privacy of others.

For large blockchain networks, the transaction history is huge, so processing and analyzing this data may require powerful computing resources and storage space.
The security of blockchain data is critical. Make sure your systems and data are properly protected against potential security threats and unauthorized access.