Nethermind Data Marketplace on Görli Tomasz Kajetan Stanczak, Nethermind - GoerliCon 0|6

hi everyone will talk about Linda mines and then my data marketplace and girly one will talk about and Bob never minded Gaelic on because if of the work that we've done when the test that was being created in the pretest at times and a quick production of the team but I think the most important part of the team is the open source contributors who are more and more of them and nowadays with our dotnet core base and there's lots of people who want to join blockchain space with dopant core they already know the technology don't learn something about blockchain try to client what do we do another mine did seem fully Tyrion client implementation which means it's like GATS or party synchronizes with all the importance most of the important networks the maintenance Rob Stein rinkeby with the new girly it does have the Genesis block and it will participate as a validator in the network and what I say if you haven't heard about us it means that you missed one of our social media appearances which probably is like six of them altogether so any tweet of yours will be extremely valuable they like big percentage of our ever social media appearance soon please do that but what I always invite people to do is go to github page look at what we were doing check the code contact us on Gator and let's try to build something together this is the open source become resource part of the project which also got a a Tyrian Foundation grant and there is more and more people building on top of it and what we started a 40 girlie project was just before Gary was announced we had the get coin bounty for a click integration for another mind and it was this amazing guy Timur who built it Kelly is already click integration for another mind and a low loss to integrate we've clearly tested soon afterwards after we've added a few similar changes prepared everything for girly and so on and we hope that the get coin will be so useful for us in the future as well and invite people who want to to learn build something together with other minds and now we have the Raspberry Pi and bounty for preparing the node that can run your private networks gaily like private networks based on clique proof of authority and I also want to talk about that in my data marketplace they the new thing that we built on top of our client because it was always our idea to have decline that comes integrated with set of tools that are targeting very specific industry financial industry traders who want to run the note we found connecting to someone outside companies that are really careful about the data and transactions they send they don't want to talk in fear and would run the note on-premise normally and we would like to deliver that note for them together with the tools now the first of those tools that we've been building recently as nvm data marketplace and I'll be testing in on the new girl II will be deploying the contract today and soon I hope you'll be able to use it for experimenting publishing your data market data and buying the market data that is available on chain what marketplace is about so it's it's very simple product really it's choosing a stream of data that you can create whether this is financial data as an index or stream of prices or maybe your news feed if you are a social media person maybe you have some really important news that you normally would just give away on a Twitter and now maybe you want to give some more importance to it you see that there are some people who want to either pay for it or maybe just connect to you directly you want to spread it on a girly network for free and start publishing without anyone in the middle censoring or checking what you're sending who you sending it to and so on so the data marketplace is really two types of people that may be changing the roles all the time providers of data and consumers that connect for the network discover each other discovered a data streams and subscribe to them and start paying and earlier today we had token analyst Gendry talking about their data that they produce the insights into the material maintenance actions Bitcoin as well they're analyzing they make connections between the smart contracts extract information about token trades and so on and so on and this is the type of data that we see as as a great thing that can appear on the Nano and data marketplace we say normally when you look for data about unchanged reactions you think of okay what will be the easiest way to integrate what api's will be the easiest one to integrate with maybe crypto compare some other big providers and block explorers and so on how about a the startups that are appearing there and do amazing job do amazing insights into what's really happening blockchain either for trades or maybe fraud detection analyzing mixers analyzing addresses and exchanges how do you discover all of them and how you smooth seamlessly integrate with their API sand and that's the idea behind the nanomite product and just ability of creating this p2p network exchanging the data and paying for it this is example not sure how well you can see it but this is what you've seen potentially as today as well earlier the token analyst API connection but we've also added a very small thing in the end we just redirect it to the to the WebSockets endpoint that is picked up by our gateway application which runs for the data provider and distributes it to other nodes that want to consume the data that's too small like analyzing your faces is too small but there is various one-liner saying just send it to this address and I always see here is just a just the you wanted we build but we expected mostly you have consumer is just interacting with this data by creating their own integration so I'm just connecting through the API and redirecting it quickly through the through the channels that we provide for them like Kafka they web sockets whatever into their own systems for some modeling for some pricing and whatever I can imagine the examples of the subscriptions that we see here whoa whoa whoa okay I have here something called John's new sweet newsfeed which means like whoever review wants to start publishing the data can do that here and maybe discovered if you build a reputation on the network your research social media media index maybe you build some amazing way of deriving one index that can be used in the future by financial companies to track volatility maybe social media activity whatever my research crypto index mining activity reports or maybe some documents monthly and so on the one thing that we cared about was this no talking approach means like when you introduce the token it's great for SEO it's great for funding for a collecting money for the project and so on for sure but it's not always so great for users right say you introduce token to the contract for payments you require more gas for your smart contract you operate you have problems with liquidity of your token you have volatility of the price that's on top of volatility of easier on top of volatility of dollar it's that's not that noisy maybe just remove the token and provide the very functionality of what you want to deliver and that's what we've done and it happens to be that we think that's very sensible interaction of the monthly subscription would require just two transactions between the buyer of data and seller for a monthly subscription to transactions a month on the chain and each of those transactions taking only 50000 gas which is really really low and it means that if we do sensible calculation with the assumptions like okay assuming the most successful applications on chain takes something like five to ten percent of the gas limit it means that we can take up to 1 million subscriptions per month more and more than enough so you can actually build something scalable on on top of it he remain that already on Gurley it's a 10 million gas for the block so even more 1.5 million transactions on Gurley if you want to start building some kind of data sharing or maybe Twitter like data sharing solution what I see here boarding so if you want to start experimenting with it on Gurley test net which hopefully will show we seen launch then just talk to us and get your let's build it together maybe on some workshops will help you tone board we plan to actually start onboarding different data providers ourselves when you connect there as a as a person consuming the data you see quite a lot of options to say ok that's what I want to start consuming the api's that I have visualizations that we prepared and so on and so on and this is it really I say thank you and I give you the data and then I realize that I also had a very short like one minute video sharing what we do and I didn't see it here this was a video ok so what it does it just says I want to deposit Sam it sir I deposit some money that money is either payable when data is delivered to me or it will be refunded to me I'll make a deposit deposit is verified in the network I bought 100 thousand units of Sam data streams and then I say just on the simple UI I look at my deposit and I say I want to initiate a session of the data and what you will see in a moment will be the data flowing from token analyst API and starting to charge me for the usage it's like either pay-as-you-go or may be upfront payments every month if I if I connect to some bigger streams thing it would take around five seconds because token analysts just pop Alisha's the births of transactions whenever the new block is published it says these are the new transactions on the chain and this is what never mind a to marketplace is and this is what I hope you will work with in the future thanks thanks thanks a lot thank you [Applause]