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    5,684 solidity blockchain jobs fundet, i prisklassen EUR

    I need a script to store a string on the blockchain and calculate the fees. it will be run on the testnet. I need it fast

    €226 (Avg Bid)
    €226 Gns Bud
    6 bud
    Trophy icon Improve our website top section 6 dage left

    Our website top section design is not good, bored de...more attractive design for this section. check our website to see the problem: [log ind for at se URL] This is an ICO for a new blockchain, TreeBlock, a public Hierarchy-Time Sharding blockchain, a high-performance blockchain. Attachments are captured images for the section we need to redesign.

    €85 (Avg Bid)
    Garanteret
    €85 Gns Bud
    6 indlæg
    Trophy icon Logo creation in Blue 2 dage left

    Need an awesome logo using iZZi name with an image of a token “blockchain for crypto” as the dots for the lower case i

    €26 (Avg Bid)
    €26 Gns Bud
    14 indlæg

    Need 2 smart contracts in solidity: 1. ico smart contract 2. erc20 token smart contract Both contracts must compile and need to be tested on test net. Parameters for contracts will be provided.

    €488 (Avg Bid)
    €488 Gns Bud
    11 bud

    Hi Igor S. We have agreed the project details for London Blockchain Labs with Ievgeniia. $300 for the design of the homepage, with particular emphasis on dynamic elements and design consistent with that of our existing logo. (The logo and all other instructional material have been sent to Ievegeniia).

    €256 (Avg Bid)
    €256 Gns Bud
    1 bud

    Hey there, we are looking for a Talented crypto developer for a revolutionary cryptocurrency project. IMPORTANT: Please note the team will get paid with our company token. We are looking ONLY for more more developer to be part our team. Our team is international and it's a great opportunity to get involved in the development of something never made before! Is important to have a good knowle...

    €2862 (Avg Bid)
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    9 bud

    ...can register and get a QR code and pay , send and receive this tokens or money via mobile app . I am also maybe considering this token to be Erc20 and made on the ethereum blockchain , or if not standard centralization like the typical WeChat pay or LinePay or Circle app. Are you capable of developing this a prototype and also how much will it cost

    €9 (Avg Bid)
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    1 bud

    We are a team of three young developers working on a crypto listing/rating platform for dapps and icos and we are looking for help.

    €925 (Avg Bid)
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    8 bud

    Private blockchain to share sensitive data securely between entities

    €17 / hr (Avg Bid)
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    7 bud

    We need an blockchain writer to do a research about the top crypto exchanges. You need to do a research about their marketing plan and stragery to reach high audience and attentions. I will send more details, low budget and experience is a must for this project.

    €136 (Avg Bid)
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    22 bud

    ...suitable blockchain for us. The core requirements are as follows: • Fully Pre-Mined Coin with 50000 Million coins in single wallet. • We need fast transactions to make our project viable. confirm block in 2-4 second and support 3000 transaction in a minute. • We will run our own nodes to get started. Minimal nodes required in the blockchain for faster

    €577 (Avg Bid)
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    14 bud

    Title says it all Looking for exprienced solidity coders to develop a couple of games for me

    €485 (Avg Bid)
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    10 bud

    ...Ideal dimensions for cover files are 5120 x 3200 pixels. The target market audience is an 18-35-year-old male interested in the revolutionary technologies surrounding Blockchain. It needs to be an interesting and meaningful cover art that speaks of the engaging information and short stories in the book and should make a strong first impression while

    €85 (Avg Bid)
    Fremhævet Garanteret Forseglet NDA
    €85 Gns Bud
    19 indlæg
    Building a PoC Dapp on NoS 6 dage left
    VERIFICERET

    I need to build a Proof of concept Dapp on NoS in order to be eligble for their sale Deadline is 30th July More information can be...you will have a better understanding of what to do. You can Develop the Dapp on your end but you will have to Deploy it from my end with my Public and Private key. Prior blockchain Dapp development etc goes a long way

    €222 (Avg Bid)
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    7 bud

    ...NoS for me the Dapp can be anything really simple I´m hoping you as a freelancer would have some suggestions on what to build as it really dosen´t matter to me. Previous Blockchain experience / Dapp development is needed....

    €517 (Avg Bid)
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    5 bud

    I need an iPhone/iPad app. I already have a design for it, I just need it to be built. We are developing a mobile wallet for the EOS blockchain.

    €1084 (Avg Bid)
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    61 bud
    Trophy icon Design a Logo for AWQAF.IO 5 dage left

    [log ind for at se URL] will be our internet address for AWQAF organization, it is an endowment activity in Islamic practice. [log ind for at se URL] is providing blockchain platform for waqf organizers all around the world to bring waqf easier, traceable, auditable and accountable. Our tagline therefore is : TECHNOLOGY FOR BETTER WAQF. We need unique, modern and hitech logo

    €85 (Avg Bid)
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    362 indlæg

    ...etc. 2. Proof that data is being stored over Blockchain 3. Display any Consent-based mechanism whereby patient information could be viewed by a health-centre User only after getting consent of the patient 4. Display or explain methods undertaken to ensure Data Confidentiality in decentralized Blockchain structure 5. Display mechanism for managing

    €680 (Avg Bid)
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    10 bud

    Hello, PLEASE READ COMPLETELY DOWN TO THE BOTTOM OF THIS PROJECT DESCRIPTION BEFORE YOU BID. IF YOU HAVE NOT DONE ANY ICO WEBSITE AND BLOCKCHAIN RELATED JOB BEFORE PLEASE DO NOT BID. THIS JOB IS NOT FOR YOU. AND IF YOU DO NOT AGREE TO ALL THE FEATURES AND COST OF PROJECT, PLEASE DO BID. PROJECT TASKS: (See Full Details in the attached file) IMPORTANT:

    €483 (Avg Bid)
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    12 bud

    Hello everyone! We are ICO project which looking for investors in asia markets. So we need a Social Media Marketin...community in discussion. - Attract cryptofunds and pools. Reqierements: - Fluent English or Russian - Also you must speak Chinese / Korean / Japanese - Knowledges about blockchain, ico, airdrops. - Strong writting and marketing skills

    €1056 (Avg Bid)
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    15 bud
    Crear una cripto moneda 5 dage left
    VERIFICERET

    Hola freelancer estoy buscando alguien experto en temas de blockchain ,bitcoin ,para crear una moneda digital con las mismas características de bitcoin tal igual

    €923 (Avg Bid)
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    7 bud

    Can this work for a coin not listed on any exchanges. It's not erc20 it's own it's own blockchain, No API, can you do??? This is not erc20 or ico it's on its own blockchain BUT NOT ON PUBLIC EXCHANGES SO NO API! I need a real exchange to convert my coins in the software exchange app to another coins..not just people buying my coins with coins or USD

    €676 (Avg Bid)
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    13 bud
    Trophy icon Off the Chain 1 dag left

    Looking for a logo that is sports and blockchain related, very simple with sports elements and blockchain

    €34 (Avg Bid)
    Garanteret
    €34 Gns Bud
    108 indlæg

    Need a blockchain app posted to a FREE file sharing service on Tor

    €19 (Avg Bid)
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    2 bud

    Vær venlig at Tilmelde dig eller Log ind for at se detaljer.

    Fremhævet Forseglet NDA

    ...-applying/redesigning if necessary a minimalistic but attractive template -SEO and geographic visitor attraction -parsing automation of contents (news, blogs, events, etc) from top blockchain and crypto sites - adding tickers and other elements - showcasing events, registration capability - newsletter subscription and all that good stuff. To keep it simple, you

    €533 (Avg Bid)
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    37 bud

    Vær venlig at Tilmelde dig eller Log ind for at se detaljer.

    Fremhævet

    We are a block chain based company looking for a professional website developer who can develop a website for us from scratch, i.e. designing, developing, UX/UI, etc. The layout will be provided to you along with the content. We need in at least 4 language, for which we will provide the translation. We need a skilled and experienced individual to do this for us. It is essential that you have prov...

    €1726 (Avg Bid)
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    74 bud

    Need a detailed explanation of Timejacking attack ([log ind for at se URL]) with pictures.

    €37 (Avg Bid)
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    11 bud
    Timejacking Simulation 4 dage left
    VERIFICERET

    I need a simulation of the Timejacking attack on blockchain. [log ind for at se URL]

    €11 - €22
    €11 - €22
    0 bud

    1100 words. Translation from English to German. Topic about blockchain. Make sure you are local German

    €33 (Avg Bid)
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    16 bud

    we want to build Digital Identity on Blockchain. which will help users to authenticate them through different consortium. without sharing their PII information

    €141 (Avg Bid)
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    3 bud

    we want to build Digital Identity on Blockchain. which will help users to authenticate them through different consortium. without sharing their PII information

    €125 (Avg Bid)
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    7 bud

    We need an expert who can work to develop an AI based user ranking system for our web...develop an AI based user ranking system for our websites. This is a multitask where you have to work on database and develope a system through blockchain API Only bid if you are expert on AI and blockchain People with good profile and minimum bid will be accepted!

    €34 (Avg Bid)
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    1 bud

    I wanna develop a new coin on a new blockchain

    €1689 (Avg Bid)
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    15 bud

    ...to ETH. Solution: There are numerous ways and strategies. One would be to connect to the ETH network, and the other is an airdrop. We are looking for someone who knows blockchain token conversion, inside out. We are looking for someone who has done this previously numerous times and can understand quickly what is required. We will provide you with

    €1096 (Avg Bid)
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    25 bud

    ...Ecosystem and we are looking to hire a Korean Online Marketer to help us with the following tasks. Find crypto media in Korea and get our PR articles published there; find blockchain/crypto events or meet ups in Korea; partner up with other Korean crypto projects; translate English articles into Korean. Let us Know if you are interested in our job.

    €21 / hr (Avg Bid)
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    1 bud

    We are looking for partners who can sell our IT services in the following locations:- 1. LIECHTENSTEIN 2. QATAR 3. MONACO 4. MACAU 5. LUXEMBOURG 6. FALKLAND ISLA...Mobility Solutions: - Android, iPhone and Cross Platform 3. Salesforce Development 4. Digital Marketing 5. AR/VR Solutions 6. Chat Bot Development 7. Cloud Computing 8. AI and Blockchain

    €2236 (Avg Bid)
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    4 bud

    I need to web application play as decentralized data sharing between users, this web application must be developed based on blockchain technology with using smart contact between users and data providers, in the same time each user can be provided data to another user, of course membership verification, smart contact and etc is necessary. it can be

    €474 (Avg Bid)
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    12 bud

    We have started a website on cryptocurrencies news and information related to blockchain, we want to improve the ranking of the website. If anybody has the proven track record , pls let us know.

    €94 (Avg Bid)
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    21 bud
    Write a whitepaper 4 dage left
    VERIFICERET

    I am looking for someone with extensive writing capabilities and ex...looking for someone with extensive writing capabilities and expertise to write for a sophisticated level of audience. In addition, the applicant needs to be familiar with blockchain technology to convert our dense notes and existing technical content into a well-polished whitepaper.

    €169 (Avg Bid)
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    51 bud

    Hi, We need a solidity developer to audit the smart contract and publish the report. I have a code ready in Ethereum. Thanks

    €19 - €155
    Forseglet
    €19 - €155
    4 bud

    An industry giant is becoming the majority stakeholder in an innovative project in the blockchain sector. We are looking for an Operations Director for that innovative project . The Operations Director will be UK based, and will able to work remotely online and interact with members of the Team The Operations Director will also be required to

    min €40 / hr
    min €40 / hr
    0 bud

    An industry giant is becoming the majority stakeholder in an innovative project in the blockchain sector. We are looking for an Operations Director for that innovative project . The Operations Director will be UK based, and will able to work remotely online and interact with members of the Team The Operations Director will also be required to

    €48 / hr (Avg Bid)
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    8 bud

    Sorry if you're based in India, Pakistan & Bangladesh. I'm looking for a partner based in America. Recently, we've lots of writing jobs related education, blockchain and so forth. It's a part time working but you need to have at least 2 computers. If you think you're an ideal candidate, please let me know

    €13 / hr (Avg Bid)
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    5 bud
    Work on PIVX Fork blockchain - C++ 3 dage left
    VERIFICERET

    We're offering ongoing, hourly work to a C++ dev for a PIVX fork blockchain. If you're familiar with masternodes and PoS blockchains, tell us about your experience. Also, what is your availability regarding number of hours you can work?

    €34 / hr (Avg Bid)
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    25 bud

    ...such as market price, price with fee, and do all necessary calculations for total transparency displayed to all. After trades are completed, references and input from blockchain and wallet are checked and confirmed, notifications to owner, inputs sent to all relevant records (such as excel spreadsheets). App will also show location of trades/traders

    €32 / hr (Avg Bid)
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    51 bud

    I need to IMPLEMENT the core technologies comprising one or several of these areas: - Distributed databases - Cloud computing-rel...databases - Cloud computing-related - Distributed systems - Consensus (Paxos, state replication...) - Fault tolerance in distributed systems - Cloud systems networking - Blockchain Languages: primarily Go. Not mandatory.

    €31 / hr (Avg Bid)
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    I’m opening a blockchain consulting firm for my website explaining our services and team members. I already went thru copywriter and did not like her writing style so I need revision. Since it’s already written once I assume it won’t take a lot of time to switch up words. I need my team members profile to stand out, when clients see it and say wow.

    €13 / hr (Avg Bid)
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    14 bud

    Hi Tomo S., We are a Decentralized Education Ec...Ecosystem and we are looking to hire a Japanese Online Marketer to help us with the following tasks. Find crypto media in Japan and get our PR articles published there; find blockchain/crypto events or meet ups in Japan; partner up with other Japanese crypto projects; translate articles into Japanese.

    €21 / hr (Avg Bid)
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    1 bud