Welcome, dear Nxters and other followers!
Thanks to our imaginations we have many wonderful things that make our lives better – including sliced bread, planes, staples, sunscreen, and literally dozens more. The blockchain is such a technology; once someone’s imagination turned into reality. Once I was like “sequentially hashed files” why would I care about such a boring and trivial thing? Yet this vision is now a reality that we know as a blockchain. What imagination do you have, dear reader? Hopefully, your job has not sucked all creativity out of you! Sliced bread was once just someone’s imagination – staples were once just someone’s imagination – the blockchain was once just someone’s imagination! Take a few seconds to consider a life without sliced bread, staples, or the blockchain – HA! if you just now pictured a world without those things then you have an imagination and you are capable of imagining something great! With Nxt and Ardor, great things can quickly turn real – here is what the ecosystem turned into reality last week:
Jelurida was well represented in many cities across the globe, the Nxter newsletter is now translated into Spanish, Korean, Chinese, Russian, and French, the Triffic ICO is scheduled, also, Dominium – an upcoming regulated child chain-based property management platform announced their ICO on Ignis, Singleton assets were explained, MetroDEX and another Nxt clone – the Volp A.I. protocol, – will have an airdrop for NXT holders, and much much more!
Thank you for being with us as we take you on a journey through the busy week that was. Just imagine what is next.
- Ardor and Nxt Presented Across the Globe
- Newsletter in Six Languages
- ChangeNow – ARDR, Ignis and NXT Enabled
- Important Events in Cryptocurrency History
- Korea Israel Innovation Center
- Video – Jelurida Korea Meetup
- Workshop: Blockchain & Smart Contracts, May 31st
- Meetup Reminders (By Order)
BUSINESSES ON ARDOR
- More About Transaction Vouchers
- Weekly Reminder – Singleton Assets
- Ardor Lite Update
- Lior Yaffe in Medium – About Ethereum Plasma…
- Support your Tokens
- Bithumb – Let your Voice be Heard
- CryptalDash – Request for your Favorite Coin to be Listed
- Dontoshi – You can vote for NXT/ARDR/IGNIS
- CoinPulse – You can vote for NXT/ARDR/IGNIS
IN THE MEDIA
- Blockchainnews – [INTERVIEW] Ardor Blockchain Developer & Jelurida Managing Director Lior Yaffe
- Coinlist.me (Italian) – La Guida Completa su Ardor, l’evoluzione di Nxt
- Japanese Blogger: – How to Send Ardor From Bittrex,- Ardor Wallet Initial Configuration, – Nxt Wallet, How To Delete Security Message, – How to Start Forging Nxt, – How to Send Ignis From Bittrex
- Cryptovest – Ardor being Given the Highest Estimate for their Technology by Weiss
This week’s newsletter is put together by apenzl, Jose, James, and rubenbc.
Last week Jelurida was giving demonstrations of their products across the world!
Ardor and Nxt Presented Across the Globe – Oxford, London, Monaco and New York
In a press release, Jelurida summarized their actions from two weeks ago:
Jelurida, the development company of Ardor and Nxt blockchain platforms, continued to expand its international presence over the past week with team members attending four major blockchain events worldwide in Oxford, London, Monaco, and New York City.
Live demonstrations of the Ardor platform were given, and valuable connections were made with members of the blockchain community:
In Oxford, students, researchers and professors gathered at The Oxford Foundry startup accelerator for a live demo event of blockchain technology organized by the Blockchain Oxford Network. Jelurida plans a return visit to this location in Q4 2018.
In London, Veronica Torras and Alberto Fernandez from Jelurida attended the Global Blockchain Summit and presented to top corporate executives from companies such as IBM, Henkel, Deloitte, Samsung and others. They were shown the Ardor platform and an overview of the challenges of blockchain today. Jelurida was the main sponsor of the event.
In Monaco, Tomislav Gountchev and Kristina Kalcheva attended the first Monaco International Blockchain tradeshow. They had the opportunity to meet with interesting projects such as Monoeci, Crypto4All, World of Blockchains and many others and explained the powerful capabilities of Ardor and Nxt to those looking to learn about available blockchain technology options.
And, in New York City, Elizabeth Mong (well known as @TheCryptoWoman) from ANG attended Consensus 2018 – one of the most significant blockchain events in the US. She made valuable connections with the NYC and US blockchain community, shared information about the Ardor and Nxt blockchain solutions and even enjoyed a cruise organized by Decentral.
It is great to see Jelurida reaching out, and knowing Jelurida’s presence at key start-up and blockchain events across the world has only just begun. You can see a list of future events in our Meetup section.
Thanks to our great community we are now proud to offer translations of the Nxter newsletter into six languages, with Korean being the most recent addition! We aim to reach as many people as possible and are working hard to provide our consistent coverage, no matter what language you speak.
French Nxter Newsly
Spanish Nxter Newsly
Russian Nxter Newsly
Chinese Nxter Newsly
Important Events in Cryptocurrency History
Longtime community member, Travin Keith, gave a webinar presentation about the history of cryptocurrency, including the Nxt ICO. This presentation is a must for anyone who wants to become knowledgeable about crypto and wants to understand how and why the crypto space is where it is today.
You need to sign up for a free membership of BrightTALK to watch this video.
About this webinarNew or relatively new to cryptocurrencies and want to catch up on its history? Here’s a rundown of some of the most important events in 2013 that you need to know about as you continue along learning about cryptocurrencies to better understand why things are the way they are today.
Recorded May 31 2018 59 mins
Korea Israel Innovation Center
As we reported, Lior spent the last two weeks in South Korea. The pictures below tell the warm and welcoming reception he had from the Korean community. It was in Korea that Lior announced the new Ardor / Nxt roadmaps as he made inroads with the Korean community, currently one of the largest markets for ARDR trading in terms of volume.
Riker – Many thanks to @Ardorbaby(Korean blogger) who helped me with the organization of the SNU lecture and the Jelurida meetup.
You did an amazing job!
apenzl – What is the thing with the hand?
madfox – This is Ignis finger-figure
nxt6666 – Counting money
madfox – Manual forging))
Ardorbaby(Korean blogger) – It means heart, Koreans like this pose when take picture ~^^;
A wholehearted thanks also goes to the growing Korean community here from Nxter Magazine.
Video – Jelurida Korea Meetup
Last week Lior was the star of the Korean Meetup. The complete presentation is below.
Workshop: Blockchain & Smart Contracts, May 31st
Another great event that took place last week – Ardor was included in the Smart Contracts portion of the well-attended blockchain talk by Veronica and Almonte in Berlin, hosted by StartupHub.
— Veronica Torras (@veronicatorras) May 31, 2018
Jelurida sponsors ‘ICO Race’ in Lugano, June 7th
#Jelurida is happy to be one of the sponsors of https://t.co/1U4WbPGUXr! Are you in Lugano on June 7th? Come and meet us at Palazzo dei Congressi! #blockchain #cryptocurrency #Ardor #Nxt #Ignis $ARDR $NXT $IGNIS pic.twitter.com/NkKCyPCns9
— Jelurida (@Jelurida) May 30, 2018
Community Meetup in San Francisco, June 10th or 11th
Lior and Elizabeth will host a community Meetup in Silicon Valley / San Fransisco next week – this will be an exciting opportunity for our American readers who are able to attend. Details are sparse but we will let you know when this event is finalized.
Friends, in less than two weeks @riker [Lior Yaffe] and I will both be in Silicon Valley / San Francisco Bay Area for an event. We would like to hold a community Meetup in June 11 or 12 🙂 Are any of you in the area? Please let me know here or send me a message.
CEBIT Festival 2018 in Hannover, on June 11th -15th
Of all the startup platforms in Europe at the moment, none are as fast-growing or international in scope as SCALE11 at CEBIT, and Jelurida is pleased to announce that we will be on stage & have a booth within the Blockchain zone of the conference. This is exciting exposure, and we are proud to represent Ardor, Nxt, and Ignis at this event!
Learn How to Write a Smart Contract – Barcelona, June 21th
“Bring your own computer, we’ll guide you through a blockchain use case so that you can see the functionality of smart contracts.”
This Spanish-language Meetup will take place in Barcelona later this month and will be an opportunity to learn about writing conditional contracts.
Aprende a hacer Smart Contracts — Workshop: trae tu propio ordenador, nosotros te guiamos a través de un caso de uso en #Blockchain para que veas la funcionalidad de los #smartcontracts, Junio 21, 19h #Meetup en @MovistarCentre #Barcelona #Ardor https://t.co/d34hxYPqBN pic.twitter.com/4oC6fBTuUs
— Veronica Torras (@veronicatorras) May 30, 2018
WEBIT.FESTIVAL – June 25-27 in Sofia, Bulgaria
— Jelurida (@Jelurida) June 4, 2018
BUSINESSES ON ARDOR
Dominium ICO Announced
Proptech startup, Dominium, announced their launch, airdrop, referral program and ICO.
The property platform is developed and funded by Munte Immobilien and Max Property Group, which have nearly two centuries of experience in the property business and hundreds of millions of euros of property under management.
The Dominium platform has been under development since 2017 and will be operational in 2018. The Dominium token (DOM) starts as an ICO asset token in the Ignis blockchain, later to turn into a regulated DOMINIUM token on its own Ardor child chain. Dominium tokens are backed by real businesses with existing assets, a proven business model, and a working team.
From their press release:
The Dominium property platform will allow users to list, trade, finance and manage property assets utilizing a suite of tools, with all activities safely recorded on the blockchain. Property investors will have instant access to legally compliant property listings available at a unique low entry point (from 1 euro). They will be able to trade assets on the platform, providing an immediate exit strategy, without the use of fund managers, agents or other centralized parties, provided their account is approved.
The Dominium blockchain is based on an Ardor childchain which is designed to avoid blockchain bloat and high transaction fees and times. The self-funded platform has gone live in seven languages, with many features already fully functional. The Dominium airdrop and referral program are now available to anyone registering on the platform, and the company aims to launch a pre-ICO and an ICO in the coming months for the sale of the DOM utility token which will be used to pay for all activities on the platform.
Last week the Triffic team officially released their ICO information. The date to circle on your calendars is on July 2nd, 2018. The Triffic team has gone to great lengths to be “fully-compliant,” which is just a fancy way of saying that it is legal for Americans to participate. Those readers with keen eyes might have noticed that many ICO’s offered a disclaimer that said they explicitly prohibit Americans from participating (not that it actually did) – this stems from the fact that the US regulatory agency: the SEC, has filed several “cease and desist” orders against American ICO’s in the past. Luckily for us, this Ardor-backed ICO is in every way legal in the EU, the USA, and across the world.
GPS TOKEN PRESALE BEGINS JULY 2, 2018 AT 09:00 PST
Public Sale Supply: 100,000,000 GPS Tokens / Total Supply: 1,000,000,000 GPS Tokens
James Malach (coinerz) wrote:
I’m pleased to announce the launch of our new website at https://triffic.world where you can download our white paper, pitchdeck and one pager.
As many of you already know, Triffic is the first fully compliant ICO to be held using the Ardor Platform.
Bitswift Child Chain Update
The Bitswift team discovered that their token will be listed on the CurrenExchange:
Looks like a new exchange will be picking up the Bitswift market:
CurrenExchange will support Bitswift trading pairs. Supported pairs are SWIFT/ETH and SWIFT/BTC.@Bit_Swift #Bitswift $Bits $Swift #CurrenExchange #ICO #Exchange #trading #TokenSale #Bitcoin #Ethereum #ETH #BTC #CurX #CurrenX pic.twitter.com/3CmbJdgTW8
— CurrenX (@currenexchange) June 4, 2018
Learn more about the Bitswift ecosystem
No, that is not VoIP but VOLP. First announced in July 2017 as a minable Bitcoin-Ethereum hybrid coin, a new thread launched in October, and now a new thread again, announcing the ongoing swap of old Volp-tokens to new ones on Ignis, to “revitalize” the project, as in Stage 2 the project will be moving to a Nxt clone, the Volp devs wrote.
This can be anything, tbh. According to the limited information available, a small team is developing an AI-based decentralized blockchain protocol, with compression of blocks as part of their grand vision, all of which will be free for everyone to use. The forum threads are, unfortunately, filled with much silence, unanswered questions, and scam-accusations, which prevent us from being able to describe their project and trust-level well. Their code is currently closed source.
What we do know is this: that there will be an airdrop of Volp-tokens to NXT holders and that the team may need all the help they can get to bootstrap their new Nxt-based blockchain when it is ready.
Nxter Magazine reached out to the Volp-developers and asked them:
Will you be a Nxt clone? Or an asset on the Ardor asset exchange, until your own blockchain protocol is launched? Will you fundraise the development of Volp with Ignis – I see 0.55 IGNIS per Volp on your website (but another price in the Asset Exchange)?
Hello ! Thanks for your contact,
We mention Nxt because we plan to release our new version of the Volp wallet, which will be based on the Nxt Client. We already have a hybrid prototype running on localhost Nxt / Volp A.I. We opted for the Nxt platform, due to its dynamism and already having a solid development.
And it would still help a lot in adapting the protocol, because we want to contribute even more to the issues of scalability and blockchain size, using learning algorithms and tools in conjunction with artificial intelligence, which will significantly contribute to Big Data applications.
So , we decided to launch the Volp token and opted for the Ardor / Ignis platform because we believe that in the future we will be migrating to a child chains. We will certainly contribute to a significant improvement in the blockchain technology. Yes, we are planning to do a crowdsale campaigns at Ardor.
MetroDEX, a decentralized cross-chain cryptocurrency exchange service built using Nxt technology, will, per the terms of the JPL, airdrop 10% of their tokens to NXT holders. The details of the upcoming MetroDEX ICO (July according to their roadmap) will be released soon. The gist is that for every 10 NXT you have in your Nxt NRS client wallet, you will receive 1 MTR token. Specifics to follow.
JULY 2017 – Concept and Research. (done)
JANUARY 2018 – Development start. (done)
MAY 2018 – White paper, announce (done)
JUNE 2018 – Stage 1: Hybrid POW/POS blockchain implementation. Open source code. (coming soon)
JULY 2018 – Blockchain start. Airdrop.
SEPTEMBER 2018 – Stage 2: Transmitting hubs.
DECEMBER 2018 – Stage 3: Real time trading platform.
MARCH 2019 – Stage 4: Two side peg with Ethereum Classic.
100,000,000 metro tokens (10% of total supply) will be distributed to NXT holders on start, in accordance with JPL licence since we use NXT blockchain code as a base for Metro blockchain.
To participate in airdrop:
Download NXT client and create a wallet.
Buy NXT on any exchange.
Place NXT tokens into your wallet. Wait snapshot block.
For every 10 NXT on your wallet you receive 1 MTR with the same passphrase on Metro blockchain. Snapshot block number is 1894000.
#Ardor Lightweight Contracts development is progressing rapidly. We can now invoke APIs not only locally but on a remote #Ardor node or even remote $NXT node from an #Ardor contract. Using this function, we are testing a contract which automatically awards #Ignis to $NXT forgers! pic.twitter.com/EVv92HYUPZ
— Lior Yaffe (@lioryaffe) June 4, 2018
More About Transaction Vouchers
Transaction Vouchers, we have mentioned before and this week we focus on a technical discussion from the forums. Vouchers are more than just “invoices” as Lior explained below:
thomasveil – How will spamming with the vouchers be prevented?
I can imagine them getting send amass in his that noobs accidentally pay them. Also thinking “invoices” might be a clearer name for these.
mrv777 – I’m guessing there is still a fee to write anything to the blockchain
thomasveil – Still tricky. Fee must be high enough that spamming won’t pay off. But low enough so the feature is used.
riker – The vouchers UI will clearly explain which exact voucher you are accepting before you accept it. And we’ll try to warn against common attacks.
To encrypt messages client side take a look at test.nrs.encryption.js it has several examples.
The existing wallet already performs message encryption client side so this shouldn’t be difficult to implement.
The reason we choose the name voucher over invoice or the Bitcoin style payment request is that vouchers can do much more than payments. They can represent a request for vote delegation or account leasing for example.
Weekly Reminder – Singleton Assets
Hooray for nondivisible assets! Did your eyes glaze over just now? If they did – let us offer a significant example: CryptoKitties (yes those ugly, Ethereum NFT’s). Part of what makes these assets valuable is that they cannot be subdivided or diluted in any way. In the Ardor ecosystem, the term for such an asset is a “Singleton asset” and anyone can create one with the Ardor client. The following discussion from the forums delves into specific use cases of such assets.
– Sirpask > There are some projects (e.g. theatre tickets, sport-event tickets, and many others) that would need that a new coin generated in the Monetary System were numbered (kind of a secondary serial number, a surname, an attached text string or message…) to identify a specific raw/seat in that event.
Currently this is not feasible to be done with Singleton Assets, because hundreds of different singleton assets would need to be created. Could this feature be added in the future?
– napdude > hmm generate X number of integer coins, each coin can only be spent in whole to other addresses.
Establish transaction to add information to a coin.
Set up coin so that one group of attributes can only be set by the coin issuer when issuer owns the coin, one group can be set by issuer at all times, and one group can be set by owner at all times the coins could be part of ignis.
if issuer allows, coins sb exchangeable on asset exchange, much like assets are. Coins could optionally have an expiry date after which they can be purged from the blockchain
– josenxt > How would you add that information to a MS coin? Through an API call?
– napdude > I imagine a transaction type could be made that established a key-value pair “on” the individual coin. or a hack that utilized unencrypted messages but only accepted the kv pair in the message if sender is eligble to establish the kv pair
– riker > Why not issue a singleton asset per coin and use the asset description or attached message to store the data about the asset?
– josenxt > Well, if we are talking about numbered seats for a small school play that will work but, for the NBA final, for example, that would require the creation of 20,000 different singleton assets for every game…:
– riker > We will need to create 20k unique entities anyway so why not singleton assets?
Ardor Lite Update
The latest beta version of Ardor Lite, a great 3rd party light wallet of the Ardor blockchain, was released to the Google Play store. The app’s creator, mrv777, also announced that the app is likely to soon come out of beta. The latest changelog is included below.
Version 0.8.12 of Ardor Lite being released to the Google Play Store shortly. I think I am almost ready for 1.0 and to remove the beta tag. Just waiting on a few more translations to be updated, I want to make at least one more improvement, and then one more round of testing.
Here are the newest changes:
• Added Japanese & Indonesian languages
• Added 24hr price change
• Added coin exchange loading screen
• New accounts only need to verify one random word instead of all words
• More phrases translated
• Style improvements
Lior Yaffe in Medium – About Ethereum Plasma…
The battle goes on – Security vs. Speed. For the uninitiated, Plasma is the Ethereum’s scaling proposal – an idea of implementing child chains being worked on, not an actual product like Ardor. Scaling is a huge issue for any blockchain and Lior Yaffe, the co-founder of Jelurida, is very knowledgeable on this topic – and on child chains, naturally. He explained his confusion at how trust can be established when not all the nodes validate a contract – which is what the Plasma proposal for getting a TPS speed boost proclaims. A general truism is this – if it is too good to be true… it is. The backbone of Plasma is some “fraud prevention” algorithms that Lior is dubious about.
If I understand correctly, plasma is moving contract execution to the child chains, this means that not every node will execute every contract, but if so how can nodes that did not execute a contract, trust that whoever did execute the contract did not cheat? The Whitepaper refers to fraud proofs many times, but it’s unclear how these fraud proofs would actually work. How can you prove that the eyes of a CryptoKittie just generated on a deeply nested child chain are of the wrong color without actually executing the contract? At some point the fraud proof is mentioned as a transaction by itself, I assume it is submitted to the root chain, but then again how all nodes will validate it without actually running the contract and tracking the latest state of this child chain? And what prevents someone from flooding the network with spam fraud proofs that all nodes will need to validate?
Another weakness seems to be that since not every node is required to execute a contract, who promises that the contract will be executed at all and not just lock the user’s funds? I think this is what the whitepaper refers to as block withholding attack. But this means that users will need to be on constant alert to see if the contract they triggered actually executed which will sometimes become very difficult to tell given that its unknown which node executes which contract on which child chain. Also, I have to admit I don’t like the mass exit idea, the ability of users to move their tokens freely between chains which use different consensus creates endless possibilities for manipulation.
Support your Tokens
Opportunities to demonstrate support for ARDR / IGNIS and NXT are still out there:
Let your voice be heard:
CryptalDash – Request for your Favorite Coin to be Listed
You can vote for NXT/ARDR/IGNIS:
CoinPulse Announcements, [28.05.18]
Ladies and Gentlemen,
The time is upon us… with the launch of the CoinPulse Exchange, just over one month away, the Team is working hard to review all coins/tokens’ listing requests located at https://request.coinpulse.io. Thank you for your entry.
Please take this time, to keep spreading the word, and get your community to vote and post to social media, about your project & CoinPulse. We suggest you do anything and everything to help spread the word of your possible listing at CoinPulse. One of the conditions for listing on CoinPulse is an active community. Here is your chance to show us how much noise you can make.
The CoinPulse Team
You can also vote for NXT/ARDR/IGNIS here:
IN THE MEDIA
Blockchainnews – [INTERVIEW] Ardor Blockchain Developer & Jelurida Managing Director Lior Yaffe
Last week, while in Korea, Lior was interviewed by Blockchain News. Lior gives a brief overview of what Ardor is and what problems it solves.
(BCNewsKorea): Alright. That’s great. And could you tell us a little bit about the Ardor platform and what it does?
(Yaffe): OK. So Ardor is about solving the several limitations of blockchain technology today. One of them is blockchain bloat that every transaction ever submitted to the blockchain has to stay there forever.
In Ardor, we have a solution to remove transactions from the blockchain once they are no longer necessary.
Another solution that Ardor brings is the ability to send transactions without requiring the end users to pay the transaction fees.
And a longer term project we are working on is the ability to remove the need of each node in the blockchain to process all the transactions. This is all achieved using our innovative parent-child chain architecture.
Japanese Blogger: – How to Send Ardor From Bittrex,- Ardor Wallet Initial Configuration, – Nxt Wallet, How To Delete Security Message, – How to Start Forging Nxt, – How to Send Ignis From Bittrex
Sadly, unlike in Korea, the penetration of Nxt and Ardor into the Japanese market has been minimal. The following guides are all Japanese-language “How-tos” for basic Ardor and Nxt usage. Come on Japan, do not miss out on this blockchain evolution!
Japanese blogger, Nobi Fujiwara wrote:
If I am not mistaking, most Japanese crypto-lovers are not paying big attention to NXT/Ardor. It’s sad, but probably this is a normal behavior observed in the world too. People just go crazy for big ICOs saying “What’s next? What’s next?” without thinking “Which one is awesome? Which one is real?”
Without any doubt, nobody in Japan knows NXT 10% airdrop when it is cloned. They believe airdrop only happens when a token is hard-forked like Bitcoin Cash. So I am a unique person in Japan and will keep writing about NXT/Ardor in Japanese. Will keep you posted and will check NXTer Magazine updates every week from Tokyo!!
Thank you, Nobi, for holding up the torch for our permissionless blockchains and spreading the word!
Coinlist.me (Italian) – La Guida Completa su Ardor, l’evoluzione di Nxt
This Italian-language article explains what Ardor is, referring to it as the evolution of Nxt. Short and sweet, contains the basics.
Cryptovest – Ardor being Given the Highest Estimate for their Technology by Weiss
Ardor is mentioned as being one of the technologically advanced platforms in the blockchain space, being mentioned alongside Ripple and Bitcoin.
— Crypto Woman (@TheCryptoWoman) June 1, 2018
Curiously, some of the least adopted coins also have the highest estimate for their technology. The Excellent rating is given to projects with entire ecosystems and capabilities of token generation. Those include: $ARDR.
Weekly NXT/ARDR/IGNIS Price Evolution
The following graphic shows the NXT / Bitcoin exchange price at Bittrex over this past week:
The following graphic shows the ARDR / Bitcoin exchange price at Bittrex over this past week:
The following graphic shows the IGNIS / Bitcoin exchange price at Bittrex over this past week:
That is all for this week, Nxters. Follow us on Twitter or Telegram for important breaking updates during the week as they happen. Keep on working towards your goals and dreams and never let your imagination die! We hope to see you back here next week.
Help Nxter.org grow and help us continue to provide excellent and focused coverage on the ever-growing blockchain space by rewarding us for our hard efforts. Donation address: NXT-TK9J-MEKH-MUP9-HFCH2 / ARDOR-TK9J-MEKH-MUP9-HFCH2.
Managed the development and implementation of Nxt's visual brand in 2014, with web design bureau Ideenfrische.
Issued the NXTP asset in 2014, a profit sharing asset given to early contributors to Nxter.org that helped turn the site into a magazine, publishing news and articles in several languages, and running faucets, contests and social media campaigns for Nxt. ESMA based a report on Nxter.org's coverage of the Nxt AE in 2015.
Arthur is still one of the driving forces behind Nxter.org. He compiled the acclaimed book about Nxt 'SNAPSHOT', which got published in early 2017.