Chainstack Blog

An overview of what is optimism, how does it works, communication between layer 1 and layers and speed between two layers.

This article is aimed at helping people break into the NEAR ecosystem and build highly scalable applications on top of the NEAR network. In this article, we will see how to quickly deploy a NEAR Dapp using the JavaScript SDK.

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.

In the third part of the brownie tutorial series, we dive deep into testnets, we show you how to configure certain aspects of your project and we will also see how to use the brownie mixes feature for building projects.

How do arbitrage trading, sandwich swap, and NFT bots work in a hyper-performant blockchain network like Solana.

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