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Equihash PoW Golang portWe are looking for a talented Golang developer in order to port the c++ reference implementation of the Zcash PoW block validation function (equihash) over to pure Go without any use of native bindings (CGO). The c++ reference implementation can be found at: https://github.com/zcash/zcash/blob/master/src/crypto/equihash.cpp#L722 A python implementation can be found at: https://github.com/str4d/zcash-pow The formal specifications of the equihash function can be found at: https://github.com/zcash/zips/blob/zips27.reorganisation.1/protocol/protocol.pdf We will provide a full test suite with valid and invalid Zcash block headers that the implementation will have to pass. The performance of the implementation should be comparable to the c++ reference implementation and has to be thread save. The implementation should have the following signature: func Verify(header, solution []byte) (bool, error)
Spark Sysems DeveloperMy name is Ian McCluskey and I am a Solar Energy Design Engineer. I am also an ETH holder, and investigating Dapp development for renewable energy applications. If you are located in the SF Bay Area, and actively pursuing new opportunities in this space, let's talk. Please contact me at ianjmccluskey@gmail.com or 2067902586. Cheers!
Peer Review a not-for-profit contract (1 hour of your time)I have a small not for profit contract, open-sourced on Github. Just want to make sure that: Contract says it will do what it says it will do It's indeed safe. Compensated for 1 hour of your time + credited on with your review on the website Please provide: 1. Github link to your account showing your existing solidity projects 2. Any blog posts / public comments you have made discussing Solidity development This will be the 3rd and final peer review.
JavaScript DevREX (www.rexmls.com) are looking for someone to do some Javascript development for us. We are building a complex real estate website along the lines of http://realestate.com.au but we are building it as a SPA style site. We use a framework called mithril.js which has a lot of similarities to react.js but much lighter, faster and more flexible. We already have the designs built in HTML, so we are really looking for someone to convert static html into mithril components and to then wire up the backend portion of the SPA. We are in the process of modularising a lot of the code into AMD style modules, we are also splitting apart the code into a UI part and a separate, more generic library. We use npm and gx for simple package management and are deliberately trying to avoid introducing heavy npm tooling (i.e babel, webpack etc) into the development process. We also have some C# and Go code lying around but you wont need to touch those.
Peer Review a not-for-profit contract (1 hour of your time)I have a small not for profit contract, open-sourced on Github. Just want to make sure that: Contract says it will do what it says it will do It's indeed safe. Compensated for 1 hour of your time + credited on with your review on the website Please provide: 1. Github link to your account showing your existing solidity projects 2. Any blog posts / public comments you have made discussing Solidity development
Dapp developer to integrate Ethereum blockchainDapp developer to integrate Ethereum blockchain functionality into existing mobile Node/JS/React app. Experience with web3.js and Solidity required. Experience with blockchain development frameworks (e.g Truffle, Embark) desirable.
Status.im Community ManagerStatus is hiring! We're looking for both an English and Chinese Community Manager to join us part-time or full-time. You will be working alongside Tatu, Carl, Jarrad, and our development team. You will play a major role in communicating our vision. We already have a really wonderful group of people helping to support the project, and we're seeking someone with excellent public communication skills who cares deeply about decentralization. A strong technical understanding of Status is preferred. The role includes: - Engaging with the developer community - helping to find DApps we can work more closely with, and help pointing new contributors to the right resources. - Writing articles, posts, and having meaningful discussion on Slack and social media about how we can improve Status, and more broadly bring Ethereum to a wider audience. - Engaging with relevant communities outside of the crypto-sphere, to build awareness, and taking the time to discover their needs, and understand their feedback. - Interviewing other great projects in the space, being interviewed in press/podcasts, presenting at meet-ups, and spreading the Status gospel. We only hire people who are able to do a job better than we could do it ourselves, so you must be overflowing with communication strategies from day 1. You must be fluent in English or Chinese, with outstanding verbal and written communication skills. We don’t mind where you live, our current team of 10 is scattered all over the world.
Status.im Community ManagerStatus is hiring! We're looking for both an English and Chinese Community Manager to join us part-time or full-time. You will be working alongside Tatu, Carl, Jarrad, and our development team. You will play a major role in communicating our vision. We already have a really wonderful group of people helping to support the project, and we're seeking someone a excellent public communication, who cares deeply about decentralization. A strong technical understanding of Status is preferred. The role includes: - Engaging with the developer community - helping to find DApps we can work more closely with, and help pointing new contributors to the right resources. - Writing articles, posts, and having meaningful discussion on Slack and social media about how we can improve Status, and more broadly bring Ethereum to a wider audience. - Engaging with relevant communities outside of the crypto-sphere, to build awareness, and taking the time to discover their needs, and understand their feedback. - Interviewing other great projects in the space, being interviewed in press/podcasts, presenting at meet-ups, and spreading the Status gospel. We only hire people who are able to do a job better than we could do it ourselves, so you must be overflowing with communication strategies for Status. You must be fluent in English or Chinese, with outstanding verbal and written communication skills. We don’t mind where you live, our current team of 10 is scattered all over the world.
Status API Documentation & TutorialsOur Chat API epic is being merged into develop and we need someone to use our dev tools, document the process and create a series of tutorials on how to create Web3 DApps & Decentralized Chatbots for Status. If that is interesting for you, please contact me on our slack http://slack.status.im @jarradhope or email me at jarrad@status.im
Indoor Digital Billboard AdUsing our collection of photos and information plus your creative abilities, create several rough drafts and after revisions 1 final standalone static digital billboard ad to be displayed on an exercise club TVs. The ads should be easy to read, pleasant, and provide useful information for target. The completed ads should be in PSD or XCF format and thumbnail format. Specifications to be discussed We are available to answer any questions/comments during regular business hours (GMT -5:00) via email. freelance5@thegoodlife.care Work needs be completed within 5 business days of hire.
Indoor Digital Billboard Ads (5)Using our collection of photos and information plus your creative abilities, create at least 5 standalone static digital billboard ads to be displayed on an exercise club TVs. The ads should be easy to read, pleasant, and provide useful information for target. The completed ads should be in PSD or XCF format and TIFF format. The ad is 16:9 format; no smaller than 1280 x 720px with interior safe area edges 60px from top & bottom and 90px from left & right sides, 300 dpi, and no font smaller than 16pt. We are available to answer any questions/comments during regular business hours (GMT -5:00) via email, phone, or Skype. freelance5@thegoodlife.care Work needs be completed within 72 hours of hire.
Write "Proof of Reddit" contract# US-1: As a Redditor I want to link (and update anytime) my u/<username> to a ethereum address # ## US-1 AT-1 ## GIVEN a reddit user account and a directory r/ethereumproofs/, WHEN I post an address to a the directory and submit r/ethereumproofs/<hash>/<address> to the smart contract function RedditRegister.update(<hash>,<address>) THEN my reddit name and my address is inserted or updated into the Registry # US-2: As a smart contract developer I want to lookup the address of a redditor # ## US-2 AT-1 ## GIVEN a <name><address> pair in the registry WHEN I access RedditRegister.lookupAddr(<username>) THEN it returns me the actual address linked to the reddit username or 0x0 # US-3: As a smart contract developer I want to lookup the reddit username of an address # ## US-3 AT-1 ## GIVEN a <name><address> pair in the registry WHEN I access RedditRegister.lookupName(<address>) THEN it returns me the actual username of the redditor
Research & Development of SatoshiFund.Me I would like to create a White Paper for the project: SatoshiFund.Me A Tokenised Crowdfunding platform with an instant revenue stream for the token holders. Also, would like to create a team for the project that will require Bitcoin, Ethereum and Smart contract development.
Research & Development of SatoshiFund.Me I would like to create a White Paper for the project: SatoshiFund.Me A Tokenised Crowdfunding platform with an instant revenue stream for the token holders. Also, would like to create a team for the project that will require Bitcoin, Ethereum and Smart contract development.
Wagering Smart ContractWager Smart Contract Project Background: Users will configure a wager from our website (ideally, an Ethereum Dapp). Users will be able to select a participant/team in a match and then supply the following variables via an interface: 1. For American Football: (a) Point Spread; (b) Amount 2. For other sports (e.g., European Football, Baseball, Basketball, Hockey): (a) Point Spread; (b) Odds; (c) Amount This Project: The above variables would result in a smart wagering contract that the User would fund with Ethereum. Here, we are effectively looking for two contracts for the two examples above. The Odds variable will have the effect of changing the amount that can be accepted by other users. For example: A basketball wager on Celtics with Spread 5.5, Odds 2:1 and funded at 10 ether could be accepted by another user up to 20 ether (to account for the 2:1 Odds variable) Until a wager is accepted by another User, the creator of the bet could cancel it. Each match associated with a wager will have a time-stamped deadline, which will be the match start time less 2 minutes. If no User accepts the wager by match start time, then funds are returned to the creator of the wager. Prevailing party will need to be determined from an oracle. Initially, this will be our website. We likely will scrape several APIs to determine prevailing parties in each match, then aggregate a table of winners based on a consensus of APIs we scrape.
Frontend Dapp DevelopmentLooking for a developer who is capable of working with Web3 and frontend technologies. You will have to be able to build a website, that will allow users to interact with our smart contracts using Web3 and tools such as MetaMask. Smart contracts are already built. Must be able to communicate with our technical team.
Web Wallet creation and token issuaneHello i need to issue a toke within ethereum and also create a we wallet that supports the token, token need to pegged with fiat currency from selected country
Communications ManagerWe are looking for a communications unicorn: that rare combination of excellent public communicator, community manager, and knowledgeable Ethereum/decentralization enthusiast. You will play a major role in communicating Colony’s value proposition. You will build upon and engage our already substantial community, and identify relevant new communities to educate. The role includes: • Writing articles, blog posts, and engaging the community via Slack, Twitter, email, and Reddit • Engaging with relevant communities to build awareness of Colony; discover their needs, and engage with relevant thought-leaders • Interviewing thought leaders in target communities, being interviewed in press and podcasts, presenting at meetups, evangelizing for Colony and the concepts and trends upon which it is predicated • Engaging with the developer community We only hire people who are able to do a job better than we could do it ourselves, so the successful candidate will be overflowing with communication strategies to drive engagement with Colony. You will be fluent in English, with outstanding verbal and written communication skills. We don’t mind where you live, so long as your hours overlap to a reasonable extent with the rest of our team of eleven. We’re all in Europe and the Americas. We’re open to considering full or part-time. Remuneration is ideally in ETH, and/or Colony Tokens (CLNY), though legacy currencies are also supported.