# Web and Mobile Applications Modern decentralized applications (dApps) frequently rely on RPC endpoints to retrieve blockchain state and transaction data. While this approach simplifies development, it introduces a trust assumption that contradicts the principles of decentralization. A stateless client provides a trustless alternative by enabling applications to fetch blockchain data from any provider while independently verifying its authenticity. * **Trustless Data Access**—Applications no longer need to trust centralized RPC services; they can verify blockchain state cryptographically. * **Efficient Verification**—Stateless clients reduce the need for heavy computation or storage on mobile devices and web browsers. * **Immediate Usability**—Unlike full nodes or traditional light clients, stateless clients do not require lengthy synchronization before providing verifiable blockchain data. This approach is particularly relevant for financial dApps, on-chain identity verification, and Web3-based authentication mechanisms, where security and trustlessness are crucial. --- # 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://corpus-core.gitbook.io/whitepaper-colibri-stateless/practical-observations/stateless-clients-in-practice/web-and-mobile-applications.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.