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How to explain the value of replicated, shared ledgers from first principles
“Digital currencies” aren’t needed to explain why distributed ledgers are important. In this post, I develop an argument for replicated shared ledgers from first principles. It is intended to be an...
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Blockchain is where banks have the most obvious opportunity. But you ignore...
Nasdaq’s recent announcement shows you need a strategy for both I have argued for some time that the world of “blockchains” is actually two worlds: the permissionless world of “bitcoin-like systems”...
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Towards a Unified Model for Replicated, Shared Ledgers
Don’t Say The “B Word”! I’ve come to the conclusion that saying “blockchain” has become unhelpful. It just confuses people. It means too many different things to different people and so it’s almost...
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Quick notes on Sidechains “Elements”
I’ve written a lot recently about the potential of replicated, shared ledgers that are private/semi-private. For example, I suggested that industries with duplicated systems across firms might get...
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A Simple Explanation of Balance Sheets (Don’t run away… it’s interesting,...
Shared ledgers could be revolutionary but do we need to share a mental model for banking to make sense of it all? What would be your first instinct if your friend were to tell you they had £1m in the...
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Bitcoin and Blockchain: two revolutions for the price of one?
I gave a brief talk on Bitcoin and blockchain technology to an audience of non-specialists at a dinner last week. It covers many of the themes I’ve explored on this blog before. But the short,...
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Brief thoughts on the Bitcoin block size debate
I’ve kept well away from the block size debate but the launch of Bitcoin XT is worth a quick mention. My reasons for staying out of the debate are pretty obvious: I’m not a miner, I’m not a core...
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Free advice can be valuable… but only if you take it
If a client tells you your solution doesn’t solve their problem, it may not be the problem that needs to change… I often argue for the importance of blockchain and distributed ledger technology by...
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Introducing the R3 Technical Leadership Team
I joined R3 in September as our Chief Technology Officer. Regular readers may have noticed a drop-off in my blogging at precisely the same time. It turns out that joining a high-profile, fast-growing...
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It’s New Year… Time to change the world
We’re hiring! Are you a talented developer? … who has experience of banking technology and a passion for blockchain technology? Can you tell your nostro from your vostro? … and do you have an intuitive...
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Introducing R3 Corda™: A Distributed Ledger Designed for Financial Services
As reported in Bloomberg this morning, I’m delighted to confirm that R3 and our member banks are working on a distributed ledger platform for financial services: Corda™. I explain it on our official R3...
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Corda: An Introduction
Announcing the Corda Introductory Whitepaper The Wall Street Journal had a couple of good pieces this morning that describe some of the work we’re doing at R3 and our vision for the future of financial...
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R3 Corda: What makes it different
As reported by Reuters last week, Corda, the Distributed Ledger platform we’ve been working hard on at R3 for the last year at will be open sourced on November 30. What is it? Why are we building it?...
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On Distributed Databases and Distributed Ledgers
Why can’t companies wanting to share business logic and data just install a distributed database? What is the essential difference between a distributed database and a distributed ledger? Last month, I...
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Countdown to Corda Open Source
R3 will soon be open-sourcing Corda. Here’s what to expect. As I confirmed a few months back, R3’s Corda platform will be open-sourced, under the Apache 2 licence, on November 30. Corda is a...
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Towards Deeper Collaboration in Distributed Ledgers: Thoughts on Digital...
It’s now almost two months since we open-sourced Corda and I’m delighted by the reception it has received. In our rapidly growing community, we’re already seeing new users grow into leaders who help...
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The Corda Way of Thinking
The Corda Way of Thinking Corda is a revolutionary new Distributed Ledger Platform, the only DLT specifically designed for the needs of financial services. This article introduces the “Corda Way of...
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Corda: Designed For Commerce, Engineered for Deployment
When we say Corda is designed specifically for enterprises, we mean it! I’ve spent a lot of time with clients recently and it’s been thrilling to hear how so many of the unique design decisions we’ve...
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Announcing The Corda Public Beta
Corda enters Beta this week! As reported last month, R3 has just completed the first two of three tranches of our Series A funding round, raising $107m to fund the development of Corda, our distributed...
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A Simple Explanation of Enterprise Blockchains for Cryptocurrency Experts
And why R3’s Open-Source Corda platform is the one to watch… We’re doing some really interesting engineering at R3 right now… We have Java running in Intel SGX… We’re hacking a JVM to make it...
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