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    6,470 blockchain work trabalhos encontrados, preços em EUR

    We need a graphic designer who has a creative mind, unique style and elegant design skills. And the designer will have basic understanding in blockchain and ICO etc. The designer will have previous experience with ICO website design. Please attach portfolios of your most proud designs. You can contact me on

    €32 / hr (Avg Bid)
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    38 ofertas
    blockchain project 3 dias left
    VERIFICADO

    区块链-hyperledger fabric+APP开发: 开发一个基于区块链技术的区域能源自交易 APP

    €20 / hr (Avg Bid)
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    5 ofertas

    We are looking for senior React.js developers with backend experience. Agencies are also welcome. Please make sure that you(or your team) can start immediately upon hiring. As a part of our hiring process, there would be a simple coding challenge to choose 'high-class' clean coders. Please take a look at the attached file and get back to me ASAP with your monthly salary expectation. O...

    €18 / hr (Avg Bid)
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    20 ofertas

    We are looking for senior React.js developers with backend experience. Agencies are also welcome. Please make sure that you(or your team) can start immediately upon hiring. As a part of our hiring process, there would be a simple coding challenge to choose 'high-class' clean coders. Please take a look at the attached file and get back to me ASAP with your monthly salary expectation. O...

    €31 / hr (Avg Bid)
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    45 ofertas

    ...usp=sharing Contents: Front Page (adapted background - must fit the topic) There should be a place for company name: A&H FinTech Consulting, Date and Contact sections H1: Blockchain, Cryptocurrencies, and Banking H2: Understanding the most disruptive FinTech technology of the XXI century COURSE INFORMATION The layout should include all sections. The

    €25 (Avg Bid)
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    28 ofertas

    I have managed to get Hyperledger Fabric running on my machine by following the tutorial on [login to view URL] . This tutorial however creates fabric only with single-company . I want to setup 2 companies at least. I want an experienced Hyperledger professional who can do this quickly. Might be a few hours of job for someone who has done

    €36 (Avg Bid)
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    3 ofertas

    Lập trình web PHP, ưu tiên biết về blockchain, hoàn thành công việc theo yêu cầu của khách hàng Thời gian làm việc 7h/ngày, làm toàn thời gian, địa điểm online, thanh toán qua freelancer.com Thời gian làm việc: thứ 2-6 Sáng 8:00-12:00 Chiều 13:00-17:00

    €344 (Avg Bid)
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    9 ofertas

    The SSL certificate for my WordPress website has expired and I am l...WordPress website has expired and I am looking for someone to install a free (or cheap) one for me. My website is www.wivacoin.com. It's a news site for cryptocurrencies and blockchain technology. I do not have a big budget. The lowest bidder with relevant experience wins the gig.

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    51 ofertas

    ...use elements of blockchain ledgers and fit into our larger set of products and services. We might be interested in both project-based and pay-per-hour long term cooperation. The key requirements: - skilled at golang - experience with information security and ideally development of security products - basic understanding of blockchain/hyperledger - long

    €19 / hr (Avg Bid)
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    23 ofertas

    ...(2FA) • Ability to modify transaction fees rates via the Admin panel • Support Tickets – to be integrated with Email and backend Interface • Ability to Change Mempool/Blockchain Fees for particular transaction to reduce confirmation time • Essential features like Trade OF On button for all Individual coins incase of any breach (Trade Switch) •

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    34 ofertas

    ...contribution to the team would be to bring the technical knowledge about cryptocurrency/blockchain technology and security best practices. Technical requirements - familiarity with *nix ecosystem is mandatory - previous experience working with cryptocurrency/blockchain is mandatory - at least 5 years of experience with php - at least 1 year of experience

    €2140 (Avg Bid)
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    53 ofertas

    I need to build Crypto Website and I need someone with knowledge of Laravel and Blockchain technology to do this for me. You must be ready to get this done in a month and must have done similar project before. The website must be similar in functionality to [login to view URL] and [login to view URL] Contact me with your portfolio if competent and interested

    €731 (Avg Bid)
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    39 ofertas

    ... but free). The animated pieces will be delivered in HTML5 format. Images: You will include images of young people working or in an working environment, college students, work elements (computers, headphones, phones, etc) always with an human in action. Copy and Call-to-Action for the static piece: Transcripción de audio a texto por profesionales

    €18 (Avg Bid)
    Garantido
    €18
    1 inscrições

    We are a corporation named Kindynos. We work on Technology with a focus on Blockchain services. We need just a logo to start our branding process. We had and old logo, I'll attach it here. I want something elegant and minimalistic.

    €131 (Avg Bid)
    Urgente Garantido Secreto Concurso Principal
    €131
    425 inscrições

    ...interact with smart contracts * Help specify and construct off-chain components of new distributed protocols * Build automation around operating a blockchain-based system * Writing specs for major work items Required knowledge and Skills * Solidity programming & testing * Web3 API * Javascript & nodejs Qualifications * Bachelor's degree or higher

    €18 / hr (Avg Bid)
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    37 ofertas
    Build an ICO website 2 dias left
    VERIFICADO

    Install an ICO script at [login to view URL] AND design a prof...systems/ico-script-software/ AND design a professional ICO website. Preference for those who have already done so. Skills Required: Bootstrap PHP Mysql, Digital Ocean, Virtual Server, Blockchain, Ubuntu PHP, Website Design, Graphic Design, Linux, HTML

    €193 (Avg Bid)
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    45 ofertas

    ...person/agency will define the infrastructure requirements and scaling techniques - how this person/agency defines smart contract integration logic with ethereum blockchain - sending transactions to Blockchain/mainnet/sidechain - tracking transactions/balance changes, block changes etc - back-end integration with smart contract. *Back-end:* Nodejs/Python/Ruby

    €9970 (Avg Bid)
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    66 ofertas

    I have managed to get Hyperledger Fabric running on my machine by following the tutorial on [login to view URL] . This tutorial however creates fabric only with single-company . I want to setup 2 companies atleast. I want an experienced Hyperledger professional who can do this quickly. Might be a few hours of job for someone who has done

    €14 / hr (Avg Bid)
    €14 / hr Média
    9 ofertas

    I am looking for blockchain expert who can change design and integrate NEO into existing site built by Ruby on Rails. Here is the git repo of script. [login to view URL] And I need to integrate btc, ETH, ERC20 and NEO. I have design ready. Please only apply only when 1. you have portfolio of exchange platform you created. 2. you

    €2282 (Avg Bid)
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    27 ofertas

    I need an experienced blockchain developer to develop a Decentralised Exchange like [login to view URL] Presently the exchange allows ETH to ERC20 Tokens. I want One particular Token to ERC20 Tokens. Please bid.

    €925 (Avg Bid)
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    27 ofertas

    ...We are currently working on serving European Clients 3. We are in need of a Blockchain Developer who can support us for development and maintenance of our website/server and services 4. The Person should be well conversant with Website/Blog Creation, Server Set-Up, Blockchain Development 5. The Person would be hired as a Partner in the Project and would

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    9 ofertas

    Hi there - I've got an app, made for both iOS and Android platforms. Recently I moved the server to a new IP, and the Android version has broke...someone that can QUICKLY help debug the problem, and start building new features into a new version of the app. The app is called COLD STORAGE COINS, and is made to work with our blockchain-style product.

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    58 ofertas

    Hi, We are looking to launch an ICO, but before that we need a bit of understanding about Token Sales and Blockchain Topic: Bitcoin / ICO / Blockchain Duration: 1 Hour via Call / WebEx /Sky Cost: $40 Language: English

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    7 ofertas

    Hi, I am interested in a sharp design/ ui freelancer for a 8-10 marketing slide. The company works in the crypto sphere, providing buy/sell of crypto through atm's with relevant licences. The purpose of the slides are basic: who we are, what we do, vision, product +usuage, market size, value proposition / advantages. To who? mainly formal institution- those that are interested to understa...

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    26 ofertas

    We are an international company with projects fit in each respected market, HK, Korea and now Viet...Korea and now Vietnam. We are developing local applications within Fintech and eCommerce. While also providing support for our international offices which are focused in blockchain development. We are creating a fun and comfortable working environment.

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    14 ofertas

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    Secreto ADC

    we need a platform which can be used to share files over blockchain (Metadata) . files encrypted and print them using a verified/trusted printer on blockchain to make sure copyrights of founder/designer are secured and his file is not leaked . more details could be found here : [login to view URL]

    €4776 (Avg Bid)
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    17 ofertas

    we need a platform which can be used to share files over blockchain (Metadata) . files encrypted and print them using a verified/trusted printer on blockchain to make sure copyrights of founder/designer are secured and his file is not leaked .

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    8 ofertas

    I would need modify the alert section of my app using blockchain in order to storage local data

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    11 ofertas

    Report about E-government privacy using Blockchain. The Report/Paper/Research should talk briefly, about what is E-government. The focus should be about how privacy in e-government important and what are the issues and challenges in this field, then what’s blockchain briefly and how blockchain help and solved these challenges with mentioning real life

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    40 ofertas

    We are looking for bidders on virtual currency bank in Philippines Projects: 1. ERC-20 Coin creation 2. Coin white paper writing 3. VC-PHP Exchange core 4. Mobile app for the exchange 5. Web app for the exchange. Note: Should be in Philippines. Should be a legitimate entity [login to view URL]

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    30 ofertas

    Hello, there is a platform called Flixxo. Flixxo is a decentralized video sharing platform where people can earn tokens called "Flixx" by uploading videos or watching ...set a smart contract as a withdrawal address And set the splitting of flixx tokens within that smart contract Transparent, on chain... Flixx is an erc20 token on Ehtereum blockchain.

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    22 ofertas

    Se requiere un desarrollador con experiencia en PhP, Node.js,React, REST. Wordpress Queremos integrar una plataforma multiuoso a un marketplace sencillo quen posea las cualidades de pago por medio de criptomonedas. Poseemos toda la docuementacion necesaria para comenzar. __________________________________________________________________________ A developer with experience in PhP, Node...

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    12 ofertas

    We require writers who are well versed in Blockchain topics. When you apply for this job post, attach the samples related to bitcoin topics along with the project proposal. This is a long-term project. Apply accordingly. Only writers who have experience in blockchain must apply.

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    7 ofertas
    Content Writting Encerrado left

    Need Cryptocurrency, Blockchain writer/copywriter We need 8 articles of about 700-800 words. Payout: 0.45-0.5 ppw.

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    13 ofertas

    ...source code. Finished product should include bash file for easy setup of a masternode VPS on Ubuntu 18.04, and QT GUI wallets for Linux, Windows, Mac. Finished blockchain should not have Proof-of-work mining capabilities. All GUI wallets should be capable of hosting masternodes, have an explorer option built in, have coin control features, and have multi-signature

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    13 ofertas

    Tool to export all Bitcoin transactions from blocks for a time period. Should save all details to excel/CSV.

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    13 ofertas

    Our goal is to promote VoteCoin, which is an existing crypto-currency (altcoin) offering features to create polls and voting in blockchain. For more see [login to view URL] Your job will be: - update VoteCoin Facebook and Twitter feeds on daily basis - promote VoteCoin on discussion boards, discord chatrooms, and other social media - communication with

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    8 ofertas

    1.I need fork my cryptocurrency from fornote to AEON. 2. Create mining pool on website 3. blockchain exploler website 4. wallet for Windows, 64-bit, Mac OS X, 64-bit, Linux, 64-bit. 5. need also Source code 6. need website to register or login and can genereted new wallet just simple website front website I will self to do.

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    10 ofertas

    i need an expert in blockchain who can deploy my tokens to mainnet.

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    25 ofertas

    i m looking for a blockchain consultant who can ans my all questions and help me to build a dex from opensource [login to view URL] you are an expert then bid here,

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    7 ofertas

    Looking for someone to build a blockchain ledger system.

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    38 ofertas

    empowerlocals want to build a website that will combine the use of blockchain technology and crowd-sourcing.

    €300 (Avg Bid)
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    29 ofertas

    Need someone to consult how we can use blockchain to secure database . This is not about coding but I want someone to have a 30 min discussion with me and answers my question to clarify the concept. Do not bid if you are not an expert and never worked with blockchain before.

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    1 ofertas

    Need someone to consult how we can use blockchain to secure database . This is not about coding but I want someone to have a 30 min discussion with me and answers my question to clarify the concept. Do not bid if you are not an expert and never worked with blockchain before.

    €17 / hr (Avg Bid)
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    2 ofertas

    basically build a customized version of etherscan, the thing needs to be able to poll data from another api to keep real time updating functionality of the system [login to view URL]

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    16 ofertas

    basically build a customized version of etherscan, the thing needs to be [login to view URL]

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    19 ofertas

    Hi! I need a website developed regarding crowd funding platform. You can develop that on WordPress, Laravel, ...time frame & any other details you may need. I need this project to be started asap. So, if you can complete within 14 days that will be perfect. You also have know about blockchain functionalities which may require for this website. Thanks!

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    16 ofertas

    i m looking for a c++ expert with blockchain knowledge, i have all source and now just need to customize and setting the ui to core. if you are not expert this area don;t bid here. This is for learning purpose.

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    18 ofertas

    We need a blockchain explorer for our new cryptocurrency, we can use Bulwark Explorer as a template ([login to view URL]) but needs to be redesigned and respect our visual identity which is underway. I believe is written in React with mongodb.

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    31 ofertas