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Melbourne Blockchain Centre

November 7, 2017
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I had the opportunity to visit the Blockchain Centre in Melbourne that I had heard so much about. It’s in the heart of Melbourne in South Bank, not far from the Crown casino. It offers co-working space in the day time and a meetup space in the evening time. The other times are spent expanding the Blockchain Centre franchise model. There’s a “museum” of bitcoin miners but the neatest part for me was Satoshi’s whitepaper enlarged  and hung on the wall. That was cool! The space is very new and officially opens this week.    On this particular evening there was also a packed (photo below was pre-arrival) Crypto Traders meetup which was absolutely fascinating. The presenter introduced all these Japanese terms, eg Kijunsen, and how to trade purely from looking at charts and understanding. It was an amazing learning opportunity. There are several meetups each week where generally Monday is for cryptotraders, Tuesday Ethereum, Wednesday Blockchains and Thursday privacy and security related. One benefit is that all these meetups converge at this one place. It provides a great consistency with a menu of evening learning & education and connecting & sharing which is great to see.
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Leemon Baird – Inventor of Hashgraph

October 23, 2017
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An interesting concept of achieving consensus. No blockchain is required. This is the second no blockchain concept I’ve come across. The first one being IOTA.  
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Roger Ver , Max Keiser , Charles Hoskinson on Nexus Conference 2017

October 16, 2017
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Some good discussions and thoughts on all things crypto!  
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Wellington Blockchain Meetup Oct 2017

October 5, 2017
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As Christmas draws near, the Wellington community came out in force for another blockchain meetup. This month we had a number of speakers from the community sharing their experiences in the blockchain world. I kicked things off with a talk on how I put my land title on the blockchain. Jose Higino shared his experience with Steemit, the blockchain platform where content creators can paid and the content is locked on the chain. Find Jose’s presentation notes, on Steemit of course, here. Tim Goggin talked about his experience of seeing how the state of Illinois are promoting grassroots communities and collaboration in the blockchain space with the launch of the Chicago Blockchain Center. See: US Government Supports Launch of New Chicago Blockchain Center Our final speaker Hamish MacEwan gave a hands on demonstration on an array of hardware wallets. In particular, Hamish show how paper wallets and the ledger nano works. Afterwards, we had the usual networking session also. Thanks to Jose, Tim and Hamish for contributing. I’m sure everyone managed to find something to suit their taste and walked away learning something new. Thanks again to BizDojo for hosting and see everyone next month.
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Understanding the basics of Bancor

August 27, 2017
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Wouldn’t it be nice to be able to figure out what Bancor is and how it works in 5 mins? Unfortunately with anything new, it takes a little longer. Follow me on my journey of figuring out how Bancor really works. Lets start with the obvious I went to their website and found a neat definition. Bancor Protocol is a standard for a new generation of cryptocurrencies called Smart Tokens Ok. So it’s a new way to create cryptocurrencies but, what is it really? It’s like defining a plane as “A mechanism to travel the world and realise your dreams”. Sure but again, what is it really? A bit further down there’s more meat. The Bancor protocol enables built-in price discovery and a liquidity mechanism for tokens on smart contract blockchains. These “smart tokens” hold one or more other tokens in reserve and enable any party to instantly purchase or liquidate the smart token in exchange for any of its reserve tokens, directly through the smart token’s contract, at a continuously calculated price, according to a formula which balances buy and sell volumes. The funny thing is, I actually understand this definition and it’s pretty accurate, but only after spending 3 days reading the […]
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Revolutionizing Accounting on the Blockchain

August 1, 2017
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A small project I’ve been working on. I’ll be presenting this at the Wellington Blockchain meetup on the 8th August 2017. https://www.meetup.com/Blockchain-Wellington/events/242044728/  
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Accounting on the blockchain for SME

July 24, 2017
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I had an idea to give the accounting industry a little tickle up so did a bunch of some research and found out there wasn’t much on accounting on the blockchain. There’s a lot of fluff from the “big four” that uses big words like “hash” and “consensus algorithms” along with mentions of single, double and even triple entry accounting but nothing of real substance. What do accounting applications such as Xero, MYOB, Sage and Intuit actually do? Fundamentally they take transaction data as an input (manually entered, scanned receipts with optical character recognition or bank feeds) and produce nice pretty reports and the ability to create invoices and perform reconciliations as well. Many of them have wonderful extra features such as payroll and inventory management but let’s just keep things simple and ignore this for now. Accountants use these applications to perform tasks such as submitting tax returns and understanding the financial health of a company. Again, a simplistic view and we’re talking SMEs here. (Small to Medium Enterprise). Now imagine the day when your local supermarket accepts bitcoins or any other form of cryptocurrency. Imagine getting paid in bitcoins and paying your suppliers in bitcoins. Current thinking and […]
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Siacoin blockchain directory

July 14, 2017
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For reference, if you are on OSX, the working directory for Siacoin is ~/Library/Application Support/Sia-UI For Windows, its under C:\Users\<username>\AppData\Roaming\Sia-UI What’s the current blocksize? It’s just under 6Gb.
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So you wanna put Chinese pork on the blockchain?

July 6, 2017
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When I see headlines like Walmart and IBM Are Partnering to Put Chinese Pork on a Blockchain I’m thinking, sorry, but how do you put Chinese pork on the blockchain? And it’s not just limited to food. Electronic Medical Records on the Blockchain is big news also. Let’s now add to the confusion and track beef with a cryptocurrency instead of a blockchain. Russia Gets First Sanctioned Cryptocurrency – And It’s Tracking Beef What does all this mean? Studying the blockchain has led me to understand that small bits of information can be included in a transaction. Think of it like adding a custom message when sending a small amount of, in this case, bitcoins. This article will first look at how one can add a custom message on the blockchain, specifically the bitcoin blockchain, and then figure out how it relates to Chinese pork. OP_RETURN The first thing to understand is that a blockchain is made of blocks and blocks are made of transactions. This is what a transaction looks like. In hex: Expanded it looks like this: Inside a transaction there are fields called op codes that are used to put rules in place to determine who can […]
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Mega Bancor Review

June 20, 2017
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Here is a great detailed write up on Bancor and what they do. Also make note to read the discussions below as well as other points of views are given. http://hackingdistributed.com/2017/06/19/bancor-is-flawed/  
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The Killer App: Engineering the Properties of Money

June 11, 2017
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Andreas keynoting at the NZ Blockchain Conference on the 8th of May 2017. Fundamental concepts: MoE, SoV and UoA. Medium of Exchange, Store of Value and Unit of Accounting. Watch on!
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Downloading 122MB of the bitcoin blockchain

June 1, 2017
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Apparently it will take just over 1 year for me to download the entire bitcoin blockchain! I certainly hope not. Let’s wait and see.
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STEM, Blockchains and Collaboration

May 29, 2017
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The Hutt Valley STEM Festival was part of NZ tech week and I was asked to participate to talk on Technology and the New World of Work. There were 4 speakers in total. Gary talking about the importance of collaboration and communications. I talked about the importance of learning STEM, blockchains and how collaboration helped me with my “Ubering Energy on the Blockchain” project. Malcom talked about a sprout device which is this amazing device that allows not only 3d modelling, but changes the way we interact with computers. Gordan, the local 3d printing expert talked about how 3d printers work with tips for those going down the 3d printing path. The kids loved watching the 3d printer in action. Gordon in action speaking about 3d printing. Sean’s household electricity distribution board connected to a raspberry pi and a mac. It measures electricity consumption and displays it on a webpage. STEM, Blockchains and Collaboration presentation at the Dowse Art Museum.  
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Blockchain in Health Presentation

May 26, 2017
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I had the opportunity to present at the Emerging Tech in Health Symposium 2017 on the 24th of May at the Wellington Westpac Trust Stadium to an audience of 180 health and medical professionals along with IT mangers of health firms. It was organised by Health Informatics New Zealand (HiNZ) and New Zealand Health IT (NZHIT). Here is a list of all the Emerging Tech In Health Speakers. The focus was on looking forward to see what healthcare would look like 10 years down the track. Some of the concepts were mind blowing. Health care is going to radically change with technologies such as virtual/augmented reality, monitoring patients with devices that measure and record your every movement and with Nadia, a virtual avatar. Basically everything thing you’ve seen in sci-fi movies, will practically come true. I spoke briefly about what the blockchain is, some of the properties it has and attempted to help the audience understand blockchain related health articles a bit more. Some other highlights included a future with these control centers in hospitals that make it look like the floor of the New York Stock Exchange or mission control in Houston. 3D printing medication! And project Emma which […]
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NZ Blockchain Conference 2017 Summary

May 18, 2017
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This years blockchain conference was brilliant and engaging and will be remembered (at least for me) for the 2 keynote speakers, Andreas Antonopoulos and Vitalik Buterin who came to New Zealand and imparted their knowledge and engaged with the people of New Zealand. It started on Sunday the 7th of May where an Auckland harbor cruise was organized and some of the speakers made it. Afterwards, we all headed down to Monsoon Poon for drinks, dinner and more socializing. The conference started on Monday and all the speakers were great but a few speakers stood out for me. Pamela Morgan’s talk on bitcoin was full of energy talking about the legal aspects of bitcoin and also the need to be able to secure it properly with multi-party signatures. She is a lawyer with an inner geek streak that uses Ubuntu as her OS of choice. Now that is impressive! The other highlight was of course Andreas Antonopoulos. His talk was as always of high quality, thought provoking and to the point. He has this incredible knack for creating these superb analogies to explain various concepts. One of the best parts was in the panel discussion where he addressed a comment […]
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Day 2 recap of Blockchain NZ Conference #TBCNZ17

May 9, 2017
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Day 2 of the conference started with Christoph Jentzsch from Slock.it talking about “How companies can exist with only computer code and the story of ‘The DAO’.” It was amazing to be able to meet the person who “authored” the DAO. Margaux Avedisian was next talking about a “Beginners Guide to raising money via ICO’s (Initial Coin Offerings)” and “How to plan and execute a successful crowdsale”. It was very insightful and very interesting. The main takeaway I got was that you have to know your stuff if you’re asking for money. If you don’t, you will be found out. Jake Vartanian then talked about “Crowdsale Design, Marketing, and Community.” He had the most powerful and emotional start to his presentation when he talked about his experience meeting a kid who wanted $125 to start up an ice cream stand on his travels in South East Asia. He ended up giving the kid the money and kept in touch ever since. There was a panel discussion after that taking questions from the audience. After morning tea Graham Anderson & Mital Kayaiya from Webjet Australia shared their experience with what they are doing with blockchains. Maksim Izmaylov from Travel Tech Con […]
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Day 1 recap of Blockchain NZ Conference #TBCNZ17

May 8, 2017
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The day started off with a welcome from Minister Jacqui Dean. Then Vic Crone from Callaghan Innovation talked briefly about their involvement. Mark Pascall from 3 Months then gave a great talk on “How to explain explain blockchain at a dinner party, without boring the pants of everyone”. It was interesting and humorous as well with notes such as don’t bring a laptop and a projector to a dinner party! Paul Salisbury from 3 Months then gave a blockchain 102 and laid the foundation of how blockchain works and some of the details under the hood which was important. He has a very clear and calm voice which drew the audience in and kept their attention. Then came Pamela Morgan from Third Key Solutions talking about bitcoins, blockchains and smart contracts from lawyers. If Mark brought the humour and Paul bought the voice, Pamela bought the energy! She is a geeky lawyer and was certainly passionate in her message. After morning tea, Stephen Macaskill, president of the blockchain association of New Zealand talked about why bitcoin matters and the history of money. Stephen also has a calming voice and thinks the word crypto will become synonymous to great or amazing. […]
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The Blockchain NZ Conference kicks off at the Westhaven Pier in a few hours

May 6, 2017
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It’s Sunday and the most anticipated blockchain event in New Zealand will start tomorrow but festive activities are actually starting today with a harbour cruise. There is a special pre-blockchain harbour cruise at 12:30pm today from Westhaven Z pier. Check here for more info. After this, at 6pm there is a pre-conference function at the Viaduct/Moonsoon Poon. Andreas Antonopoulos will be the keynote speaker on Monday and Vitalik Buterin providing the closing keynote on Tuesday. Check out the blockchain NZ conference site for details on speakers and the agenda. It’s gonna be huge. See you all there.
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BANZ AGM, Ubering Energy and what sharing does

April 28, 2017
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I was invited to Auckland to share my “Ubering Energy on the Blockchain” talk at the GridAkl (“Auckland’s Innovation Precinct”) a few days ago and it neatly tied into the first Blockchain Association of New Zealand (BANZ) AGM. It was wonderful to meet all these people from different backgrounds all contributing to this new technology. The vibe is certainly different to that of Wellington. It was fascinating to learn more about what NZTech does, the blockchain research projects from AUT and some exciting energy projects that others are doing as well. The next few months is certainly going to be very interesting. BANZ is gaining momentum and there are plans in place to grow the awareness and to continue the concerted efforts to see where this technology can go in all sorts of industries. The Blockchain Conference at the start of May is going to be huge with some amazing speakers. The big challenge I see is to continue this momentum. It’s been 8 years since bitcoin was invented. The 10 minute heartbeat that started this avalanche of innovation and paradigm shift has never stopped beating. Yet the resistance is still there and for all sorts of reasons. I’ve been […]
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Ubering Electricity on the Blockchain

April 14, 2017
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I came up with this idea 18 months ago and like any one thought it was super amazing and super unique. A worlds first maybe? A Google search quickly crushed that idea! People had already talked about it and others were also building it and testing it. That didn’t deter me though because hey, when is an idea ever super unique. It’s all about execution! I started designing it over Christmas and spent the last 2 months building it. I’ll be presenting it at the Wellington Blockchain Meetup next Wednesday. What is it? Check out the video below. Come along if you’re around to understand what I did and how it works.  
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