What Is an Ethereum Testnet and How Is It Used?

What is an Ethereum testnet? How do we use Ropsten, Kovan, or Rinkeby and what for? What's a private blockchain good for and what is Testrpc?

Connecting MyEtherWallet, Mist, and MetaMask to Your Private Blockchain

Here's how to connect MyEtherWallet, Mist, and MetaMask to your own privately running Ethereum blockchain for debugging and development.

How to Run Your Own Private Ethereum Blockchain

How does one get started developing with Ethereum? A private blockchain can come in handy - run transactions locally without fear of financial loss!

How to Call Ethereum Smart Contract Functions

Some deployed Solidity smart contracts have functions. In this guide we'll show you how to call those functions and talk to the blockchain.

SegWit2x Fork – What Is It about, What Can We Expect, and Who’s behind...

What is this SegWit2x fork everyone keeps talking about? Why is it happening, when, and how? What effect will it have on price?

DelegateCall – the First Real Web3.0 Decentralized App Is a Stack Overflow Killer

DelegateCall is the first truly decentralized web3.0 application built on the blockchain, database and all. We describe how Loom did it and why

Solidity Development Crash Course: Building a Blockchain Raffle

In this tutorial we'll start building a raffle on the blockchain with unique entries and an entrance fee. Earnings will be donated to charity!

Two Point Oh: The Beacon Chain – Update March 6th 2019

The beacon chain is at the core of Ethereum 2.0. But what does it mean? What does it do? How does it work and what is its purpose? Tune in to find out!

Explaining Ethereum Tools: What Are Geth and Mist?

Let's explain some Ethereum tools necessary for proper participation in the network: Geth and Mist. One is a node, the other connects to it, but what for?

Audits Beyond Code: Tips for Optimizing Smart Contract Gas Costs

Smart contracts can get very expensive. Here are some tips on how to minimize their gas cost and make them both cheaper to deploy and cheaper to use.