Tag: Ethereum

The tutorial shows you how to build a simple Web3 dashboard using web3.py, google sheets and the data from EVM-based blockchains.

How to use GraphQL to fetch pending transaction data from Geth. And compares GraphQL and JSON-RPC in terms of speed and data size.

In this comprehensive step-by-step guide, you will learn how The Merge impacts Ethereum’s application and infrastructure layer, the 5 most common merge-misconceptions, and what you need to do with your DApp and your nodes for a smooth transition to proof-of-stake.

Chainlink is one of the most popular decentralized oracles in DeFi today, while Foundry is an up and coming smart contract development framework that promises blazing fast speeds. Learn a bit about both in this tutorial by deploying a chainlink smart contract using Foundry.

Newgem successfully integrated Chainstack’s robust and easy to use infrastructure to power their cross-chain NFT marketplace operations.

Whenever we need to query data from the blockchain, we fetch it from a node. An archive node differs from a full node since the first holds the entire history of network transactions. Thus, some queries for older block transactions cannot be fetched easily on a full node. In this tutorial, we will programmatically fetch data from the blockchain, switching between full and archive nodes when necessary.