A blockchain is a growing list of records, called blocks, that are linked using cryptography.Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree).
This tutorial is part of a series of blog posts on getting a web page on your web server to communicate via web3 with your Ethereum test network on localhost. In our previous post, we created the first block in our testnet using a CustomGenesis.json. In the...
This tutorial is part of a series of blog posts on getting a web page on your web server to communicate via web3 with your Ethereum test network on localhost. In our previous post, we installed Geth on Mac OS X. When Geth is initially started on a Mac, Geth will start...
This tutorial is part of a series of blog posts on getting a web page on your web server to communicate via web3 with your Ethereum on localhost. In our previous post, we installed the Ethereum Wallet. The Ethereum Wallet is a nice way to visualize what's...
This tutorial is part of a series of blog posts on getting a web page on your web server to communicate via web3 with your Ethereum Wallet on localhost. In the process of trying to build a simple distributed app, Dapp, I encountered a ton of examples that do...