Monthly Archives: July 2017

Technical Analysis of the $31 Million Dollar Ethereum Hack

By |July 22nd, 2017|

Here’s an interesting analysis of the $31 Million Ethereum Hack.

https://medium.freecodecamp.org/a-hacker-stole-31m-of-ether-how-it-happened-and-what-it-means-for-ethereum-9e5dc29e33ce

From a technical standpoint, it appears as though the software developers who built the Parity wallet put in a catch all function that enables unknown functions that are payable, that send you Ether, to default to depositing the Ether.

function() payable {
//msg.value is […]

How to Serve Up Web Content from Ethereum – Part 4 – Ethereum Mining on TestNet

By |July 21st, 2017|

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 CustomGenesis.json, we set the difficulty attribute to a very low […]

How to Serve Up Web Content from Ethereum – Part 3 – Setting Up Your Own Private Testnet with a Genesis Block

By |July 20th, 2017|

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 to synch with the production blockchain. […]

How to Serve Up Web Content from Ethereum – Part 2 – Download Geth on Mac OS X

By |July 13th, 2017|

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 going on with Ethereum, but for our purposes initially we don’t […]

How to Serve Up Web Content from Ethereum – Part 1 – Install Ethereum Wallet

By |July 13th, 2017|

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 not work.

The first step in most of the examples that […]