# ETHBerlin04 Workshop: Tino Breddin - Integrating RPCh in your Dapp to privately connect to RPCs

- Channel: [ETHBerlin](https://streameth.org/ethberlin)
- Date: 2024-09-04
- Duration: 39:10
- Topics: privacy, cybersecurity, ethereum, developers, blockchain
- Watch: https://streameth.org/watch/66d89f0d35d51347e0a37e4d

## Description

ETHBerlin04
May 24-26, 2024, CIC Innovation Campus
Technical Workshop: ETHBerlin04 Workshop: Tino Breddin - Integrating RPCh in your Dapp to privately connect to RPC endpoints

ETHBerlin04 - https://ethberlin.org
A Department of Decentralization event - https://dod.ngo The video features Tino Bredin discussing RPC (Remote Procedure Call) security, the privacy implications of using an RPC endpoint, and how to enhance the privacy of decentralized applications (dApps) for users. He highlights the importance of transport privacy, focusing on protecting metadata such as IP addresses that are often exposed during internet usage. To illustrate his point, he demonstrates a tool called Derp, which mimics an RPC provider and logs requests made through a user's wallet, revealing how easily metadata can link different user accounts.

Bredin then introduces Hopper's solution to this privacy issue, which involves using the RPC-H SDK within a dApp to anonymize RPC requests by unlinking the user's IP address from their on-chain activity. He provides a hands-on example by showing how to integrate RPC-H into a basic blockchain explorer dApp that fetches and displays block data and transaction logs. The video includes a step-by-step guide on setting up DERP as an RPC endpoint in MetaMask, cloning a GitHub repository with the example dApp code, switching between branches with and without RPC-H integration, and installing necessary dependencies to run the application.