# Problem statement Blockchains need reputation systems. The ecosystem lacks the ability to access historic, granular, or processed data. Therefore, true reputation models do not exist. Applications have difficulty identifying and rewarding users. While some applications have started to exploit refined data, usage remains limited to informative front-end or market data purposes. Blockchains need access to data directly on-chain to enable a new generation of reputation-based services. Indeed, while more than 90% of traditional companies use a system to track user fidelity/engagement [(source)](https://www.accenture.com/_acnmedia/pdf-43/accenture-strategy-gcpr-customer-loyalty.pdf), Dapps still have difficulty integrating the concept. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.etherscore.network/more-readings/problem-statement.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.