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Security Guides

16 guides
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How to Build a Secure dApp with AML and CFT Compliance

A walkthrough of how to build a secure dApp with AML and CFT compliance using QuickNode Marketplace add-ons and Chainlink Functions.

Created March 20, 2025Intermediate
BaseEthereumChainlinkdAppsFoundryMarketplaceMarketplace Add-onSmart Contracts

Team Management and RBAC in QuickNode

Learn how to manage teams and users in your QuickNode account, and explore Role-Based Access Control (RBAC)—an Enterprise feature for securely managing permissions and access with user roles.

Created March 11, 2025Beginner
InfrastructureQuickNode ProductRBAC

How to Set Up Method Rate Limits with QuickNode

Learn how to implement both IP-based and method-specific rate limits on your QuickNode endpoints to control API usage at a granular level. This guide walks through the process of setting up, testing, and monitoring rate limits based on RPC methods to secure your endpoints.

Created February 6, 2025Beginner
QuickNode Product

How to Validate Incoming Streams Webhook Messages

In this guide, you will learn how to ensure the integrity and authenticity of incoming webhook messages by verifying HMAC signatures using Python. You will retrieve the necessary headers, prepare the payload, and execute a Python script to perform signature verification.

Created May 3, 2024Beginner
EthereumPythonQuickNode ProductStreams

How to Protect Your Endpoint - Front End Best Practices

This guide will teach you various strategies to protect your endpoint when using a front end.

Created January 12, 2024Intermediate
MarketplaceQuickNode Product

Private Transactions on Ethereum using Stealth Addresses (ERC-5564)

This guide explores the concept of stealth addresses within blockchains, specifically focusing on Ethereum's ERC-5564 proposal, addressing the privacy concerns in transaction visibility. It will delve into the technicalities of this solution and demonstrate its application through Umbra Cash, offering a practical perspective on enhancing transaction privacy.

Created January 3, 2024Intermediate
EthereumWallets

How to Secure Your Endpoint Using Endpoint Armor

Learn how to enhance the security of your QuickNode endpoint with Endpoint Armor, a powerful tool that enables method-specific restrictions and customizable rate limits for both overall endpoint traffic and individual visitors.

Created December 6, 2023Intermediate
MarketplaceQuickNode Product

How to Implement JSON Web Tokens (JWT) Authorization with QuickNode

JSON Web Tokens (JWT) are one way to protect web resources. This guide walks through the process of creating a React app that will fetch a JWT from our backend server (Express.js) and then use it to request and display the blockchain data on our front end.

Created January 30, 2023Beginner
JavaScriptJWTQuickNode Product

How to Set Up Domain Masking on QuickNode

Domain masking or URL masking is the act of disguising the actual domain name of a web resource in favor of another domain name. This guide will demonstrate how to set up domain masking on an Ethereum endpoint with QuickNode.

Created January 30, 2023Intermediate
Domain MaskingQuickNode Product

How to Set Up Multi-Token Authentication on QuickNode

Security is an important part of developing a resilient Web3 application. In this guide, we cover one of QuickNode's endpoint security features which enables developers to create multiple authentication tokens for a single blockchain endpoint.

Created January 30, 2023Beginner
AuthenticationQuickNode Product