← Guides /   Knowledge Base
K

Knowledge Base Guides

Conceptual blockchain informationals and tutorials on how to use QuickNode's tools to make Web3 awesome

Top Knowledge Base articles 19

Tutorials on using QuickNode's tools to make Web3 awesome. If you have a question about how an add-on works, or how to integrate QuickNode with your favorite web3 technology, this is the place to be.

Apr 12, 2022 How to setup WebHooks with QuickNode

In this article, we'll learn about WebHooks and how we can set-up WebHooks with QuickNode.What are WebHooks?Everything we do on the internet can be marked/considered as events and as the internet grows, these events grow in...

Continue reading
Apr 7, 2022 Look up the Address Balance for a Wallet for Bitcoin on QuickNode

If you're running your own bitcoin node, there is a chance that you will want the ability to look up the balance of an address that you do not own. The first time this happens, you might create a

Continue reading
Apr 12, 2022 How to set a custom provider in MetaMask

MetaMask is one of the essential tools for web3 development. It comes set up with Ethereum blockchain networks out of the box. But there can be some specific use cases where you might want to add a custom provider to MetaMask for faster transaction processing or to...

Continue reading
Apr 12, 2022 Intro to EtherFlow - Visual RPC Call Composer for EVM

Sending RPC calls to get data is a common standard most blockchains follow. EtherFlow is a tool that makes it easier to send these RPC calls. This guide will explain in depth about EtherFlow, and how it...

Continue reading
Jun 20, 2022 How to Set Up Multi-Token Authentication on QuickNode

Security is an important part of developing a resilient Web3 application. If the security of your blockchain infrastructure is compromised, it can lead to downtime for your users. We here at QuickNode recently released a new update to our security features available on...

Continue reading
Apr 12, 2022 How to setup referrer whitelist with QuickNode

Security is one of the most significant aspects when developing an application. If a resource like a node falls into the hands of an unauthorized individual, it can exhaust your limits and resources. In this guide, we will see how to avoid this and learn how to set up a...

Continue reading
Jun 22, 2022 Look up all NFTs for a given address on Ethereum mainnet

If you're running Ethereum mainnet, there is chance you will want the ability to look up all of the NFTs owned by an address. The first time this happens, you might create a small script to check a particular NFT contract for ownership. This works, but then you need to...

Continue reading
Apr 20, 2022 An Introduction to the Solana Account Model

The Solana account model is a critical part of the Solana ecosystem and can be one the hardest concepts for developers, especially ones transitioning from other blockchains, to understand. To work on the Solana blockchain efficiently, a...

Continue reading
May 3, 2022 How to Implement JSON Web Tokens (JWT) Authorization with QuickNode

Security is a crucial factor when it comes to protecting web resources. One way to protect those resources is by integrating JSON Web Tokens (JWT) in your web applications. JWT is an open standard that defines a compact way for securely transmitting information between...

Continue reading
Jan 21, 2022 How to Build an NFT Gallery on Solana Using QuickNode's NFT-API

Hello readers! In this tutorial we will be building out a small application that allows you to get all of the NFTs of a particular Solana wallet, and display all of the information from them on the web page. To build this out we are going to use the

Continue reading
Apr 12, 2022 How to Resolve ENS Domains Using JavaScript and QuickNode

ENS is the leading naming system based on Ethereum; it maps Ethereum addresses to tangible names. Today in this guide, we will learn more about ENS and How to resolve ENS domains using JavaScript library ethers.js and...

Continue reading
Apr 12, 2022 How to enable gzip on RPC calls in JavaScript using ethers.js

HTTP responses from blockchain methods can contain a vast amount of data and take a lot of time to receive at the client's end; compressing that data before it is being served and decompressing on the client can save a lot of time. One such compression technique is gzip...

Continue reading
Apr 12, 2022 Pending and Queued Transactions Explained

The Ethereum network processes over one million transactions a day. These transactions originate from users wanting to transfer Ether or interact with smart contracts. In this guide, we will teach you about the Pending and Queued state of transactions on the Ethereum...

Continue reading
Apr 12, 2022 What are Ethereum Transactions?

Transactions in Ethereum are cryptographically signed data messages that contain a set of instructions. These instructions can interpret to sending Ether from one Ethereum account to another or interacting with a smart contract deployed on the blockchain. Transactions are...

Continue reading
Apr 15, 2022 How to Setup 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 article will demonstrate how to set up domain masking on an Ethereum node with...

Continue reading
Jun 27, 2022 How to Secure Your Node against Common Blockchain Attacks & Vulnerabilities

Blockchain nodes are arguably one of the most important aspects for the security of a blockchain network. Nodes contain critical data and software that govern any blockchain network making them a target for attackers and a source for potential compromise. Although...

Continue reading
Jun 3, 2022 An Introduction to Upgradeable Smart Contracts

By default, smart contracts deployed on the Ethereum blockchain are immutable. While this helps achieve decentralization and security, it can reduce the...

Continue reading
May 31, 2022 Blockchain Consensus Mechanisms

Data consistency and security are the principles that guide blockchain technology. There are different mechanisms and algorithms blockchains use to regulate their working throughout the chain to achieve this. In this guide, we will learn about the various blockchain...

Continue reading
Jun 27, 2022 Common Security Flaws around NFT Projects & How to Protect Against Them

NFT projects are becoming a staple in the cryptocurrency space and are likely here to stay. As more creators, collectors, brands, and industries explore NFT utility and the digital art world, it is critical to build and enable secure platforms across NFT ecosystems. This...

Continue reading