Blog

Richard Brown in Corda I’m delighted to announce the formation of the Corda Technical Advisory Council (the Corda TAC). This is a group of technical leaders in our community — who most of you know well — who have volunteered to commit their time over and above their existing contributions to the Corda ecosystem to provide advice ...

Test Driven Development for Blockchain Apps with R3 Corda — How to Write Contracts and Unit Tests Please note that I am not affiliated with R3. This tutorial will explain and provide examples for how to write unit tests for Contracts in Corda using Java and IntelliJ. Testing for decentralized applications is especially critical because without the centralized ...

Corda: Open Source Community Update The Corda open source community is getting big… it’s time for a dedicated corda-dev mailing list, a co-maintainer for the project, a refreshed whitepaper, expanded contribution guidelines, and more..! It feels like Corda took on board some rocket fuel over the last few months. Corda’s open source community is now ...

What Use Cases Best Fit on Corda? I remember when corda was an experiment and we didn’t even know if the ideas would work. In the R3 Lab and Research Center, we acted as a global incubator for our member banks and institutions sharing IP and completing joint experiments on broader DLT platforms. Most of these ...

NodePad simplifies Corda Operations If you have been hiding under a rock for the past two years, The Corda Team has gone a long way providing the Financial Industry with a first class premissioned Distributed Ledger. They looked beyond the Blockchain-Crypto-Fintech-StickItToTheBanks hype a came with a clear vision (insert any post from Richard Brown). 2018 ...

Distributed General Ledger — A Solution to Overlapping Madness What’s the deal with overlapping accounts? One of the goals of distributed ledger technology (aka ‘blockchain’) is to seamlessly tie the delivery of goods and services together with their respective payment, where today these are separate and disjointed legs of the same transaction. When a company provides goods ...

Corda’s new network map infrastructure Exploring design decisions Why we don’t ship a network map server anymore. The new network bootstrapping tool and planned upgrades. Information about an upcoming refresh of the testnet. Background information on the design thinking that went into the change. A clever visual metaphor for “bootstrapping” that makes this page less plain ...

Peer-to-Peer Enterprise Blockchain Networking with the Corda Firewall. We are drawing near our first release of the commercial distribution of the Corda open source blockchain platform. One of the questions we faced when thinking about its production deployments was how to reconcile the peer-to-peer philosophy of blockchain systems with the security arrangements of traditional enterprise ...

The Internet of Public Value Imagining a new Public Value Network for the UK based on the Corda Distributed Ledger Platform The UK Government is under growing pressure to improve the performance of public services whilst reducing costs. Services are under stress at a national and local level. This pressure to improve the value being delivered to ...

Monitoring Corda Nodes (Part 1) With the launch of Corda 3.0 bringing production readiness and with several projects going into production on Corda in the near future, it’s time to think about some of the issues around running Corda in real production networks. In this post we will look at one set of options for monitoring ...