On my flight to Devcon 3 a couple of weeks ago (which was excellent BTW), I had the good fortune of sitting next to Nick Johnson, creator of the Ethereum Name Service (ENS). Given we both got our laptops out just after take-off, and had code on our screens, it […]
This post was originally posted here. Following months of development, the web3j 3.0 milestone release has dropped! This release provides numerous enhancements aimed at making it even easier to work with Ethereum and smart contracts in JVM languages. I'll be at Devcon representing blk.io, so feel free to drop me […]
Enterprise Ethereum Alliance London held its inaugural Meetup last week. Video's of the talks are now available below. Jeremy Millar started by providing a historical context of how the Enterprise Ethereum Alliance came to be. This was followed by Matthew Di Ferrante of Clearmatics talk on Mobius: Blockchain Transaction Privacy […]
I gave a tech talk at Pivotal Labs today on developing Java applications on the Ethereum blockchain. The slides are available below. Thanks to Lawrence and Nicola at Pivotal for putting on a great event.
This article was originally published on the Oracle Technology Network. In a recent issue of Java Magazine, I provide a primer on working with the blockchain technology Ethereum using web3j to build Java applications on it. In this article, we’re going to use web3j’s reactive-functional API to shed some light on […]
Last night I gave a brief web3j 2.0 update at the Sydney Ethereum Meetup. The slides accompanying the talk are available below. Thanks to Nathan and Nick for organising a great event as always.
I'm happy to announce the 2.0 web3j release. This builds on the reactive-functional API added in v1.1.0 and provides a number of further enhancements, including: Transaction managers Transaction managers allow you to choose how you transact with Ethereum clients via web3j's smart contract wrappers. For instance, you can now choose […]
The January/February issue of Java Magazine contains an introductory article I wrote on developing Java applications on the Ethereum blockchain with web3j. The magazine is free to read. Click preview this issue if you don't wish to provide your email address to access.
web3j's command line tools are now available on the excellent OS X package manager Homebrew. To install simply run: And away you go: For more information on using the command line tools, check out this post and the web3j documentation.
I spoke last week at the YOW! CTO Summit on blockchain technology and the state of the eco-system. The slides from the talk are available below.