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    6,487 blockchain developer job punët e gjetura, me çmimin EUR

    ...profile and would like to offer you my project. I am looking for a simple smart contract which will allows me the bulk send ~7500 pieces of airdrop reward as a bounty. As a blockchain this token is on Tron network, what is almost the same as Ethereum. We can discuss any details over chat. Would you be as kind and get back to me as soon as possible?

    €44 (Avg Bid)
    €44 Oferta mesatare
    1 ofertat

    I need post hash and fetch hash functions for the blockchain.

    €87 (Avg Bid)
    €87 Oferta mesatare
    4 ofertat

    Design and develop a Blockchain layer between the existing Recruitment & HR System. Creating the smart contract based on the business logic. Multiple smart contract development required.

    €495 (Avg Bid)
    €495 Oferta mesatare
    9 ofertat
    Data Scientist 6 ditë left

    The Job: As a Data Scientist you will be expected to propose, create, and deliver high quality intelligence into the activity on EOSIO blockchain(s), and particularly on the user behavior in DApps launched by Block.one. Reporting to the Operations Manager, you will be part of a team building cutting edge applications in the rapidly emerging blockchain

    €2508 (Avg Bid)
    €2508 Oferta mesatare
    8 ofertat

    Our business is working on developing a GPS tracker that utilizes blockchain technology. We require a freelance developer that can program blockchain software onto our current hardware. They must be able to integrate blockchain technology onto current map/tracking software.

    €1195 (Avg Bid)
    €1195 Oferta mesatare
    41 ofertat

    ...is a longterm position (we publish around 10 articles per day). We are looking for somebody commited in longterm. You MUST have in depth knowledge of cryptocurrency and blockchain. In your proposal, please provide: - Writing samples (cryptocurrency related only) - Rate per word - How many articles you could write per week - Email and contact info

    €42 (Avg Bid)
    €42 Oferta mesatare
    30 ofertat

    The task is: 1. To build a detailed contact list of decision-makers of blockchain projects; and top-10 VC funds dealing with blockchain startups partially, from various countries: marketing directors, CEOs, SMOs, founders, and managing partners, etc. 2. To make primary contact with all of them and motivate them for the further negotiation for brand

    €9 / hr (Avg Bid)
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    Hello Expert Blockchain Developer , we required you to compile EOS coin Node on our server . Basically we have developed Exchange portal and we want to list EOS coin inside . for that we need Address generate , Send and Recieve API of EOS . All you need to do is ,Compile EOS coin on Our server and than Help us out to Develop API for this . (

    €18 - €154
    Cilësuar Vulosur
    €18 - €154
    6 ofertat

    ...Billiton). Report 2: Using a recommended format/structure (attached), produce a research report for investing into Sovrin ([identifikohuni për të parë adresën URL]; Self-sovereign Identity using blockchain). NOTE: - Only use publicly available information. Use of private information will end in a rejection. - Report content will be run through a screening softw...

    €96 (Avg Bid)
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    We are a UK company looking for UK iOS and Android developer who have good skills in app development and an interest in blockchain and crypto currencies. We are an established dev and marketing company with a good track record. Looking to find someone we can easily talk to and close enough to visit sometimes.

    €32 / hr (Avg Bid)
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    25 ofertat

    ...has had 10 input addresses to them > Need to follow those 30 input addresses and repeat. At each stage making a full list of all the addresses. If you're using external blockchain explorer APIs you should consider time-outs/throttling (maybe re-submit the request after a few seconds if it comes back empty). I suggest using: [identifikohuni për të parë adresë...

    €252 (Avg Bid)
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    5 ofertat

    Hi, I am looking for someone to build a simple blockchain protocol using the IBM Blockchain & Cloud Platform. My network will allow users to sell a zip file and facilitates the transactions between users. The project will require us to build our own cryptocurrency & wallet. I also need a native IOS and Android App Developed. Here is an example of the

    €6017 (Avg Bid)
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    18 ofertat

    Hi, Iam interested in learning Block chain technology. I want practical exposure on languages or tools like Solidity, Ethereum, Smart contract, Golang etc.. Looking for a professional who is currently working on Block Chain technology.

    €141 (Avg Bid)
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    3 ofertat

    I want to develop a proof of stake cryptocurrency with masternode probably a fork of PIVX including a qt wallet and develop an API for merchant to receive payments.

    €753 (Avg Bid)
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    ...offered in a public circulation. I am aware that there are two ways of developing a cryptocurrency; 1.) based on the existing blockchain technology like Ethereum and Bitcoin (cheaper way, like on [identifikohuni për të parë adresën URL]) 2.) based on my own blockchain technology (more expensive way, which could cost several thousand USD or even several BTC) At ...

    €40 / hr (Avg Bid)
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    Trophy icon Logo for a project/ company 16 orё left

    ...is new blockchain project that aims to reduce the damage that bitcoin does to the environment through its proof-of-work (mining). Bitcoin currently uses as much energy as a country like Austria, and this will only increase, causing further environmental damage and climate change (burning carbon dioxide). Carbon Zero will be the first blockchain project

    €219 (Avg Bid)
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    402 kandidaturat
    Master Node Complete Project! 4 ditë left
    VERIFIKUAR

    Master node coin Developer! I'm looking blockchain developer who can fork DASH. You must have to have experience! Submit your previous project link! Without a link, I won't reply to your message whatever you submit!

    €1081 (Avg Bid)
    €1081 Oferta mesatare
    24 ofertat

    I want a crypto coin with its own blockchain not ERC-20 token. The coin should be able to be mine and use as smart contracts. The coin name is Brincoin with its symbol been BRIN which has its own blockchain and not using the blockchain of other cryptocurrencies. Needs this work to be done in 3 weeks time and the charge can be bargain and reach an agreement

    €1317 (Avg Bid)
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    1 ofertat

    We need a C++ Senior Expert, who have rich experience in C++11, C++14 Standard, Familiar with CMake, Hunter, Boost. 1. rich experience at Blockchain, such as Ethereum, Bitcoin, Nano (Raiblocks) [identifikohuni për të parë adresën URL] good skill at Learning New Technology.

    €20 / hr (Avg Bid)
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    7 ofertat

    We need a C++ Senior Expert, who have rich experience in C++11, C++14 Standard, Familiar with CMake, Hunter, Boost. 1. rich experience at Blockchain, such as Ethereum, Bitcoin, Nano (Raiblocks) [identifikohuni për të parë adresën URL] good skill at Learning New Technology.

    €661 (Avg Bid)
    €661 Oferta mesatare
    7 ofertat

    ...the option to have a video camera added. There is also a control panel by the door for when you enter so you can turn off the alarm. What we want to do is put this on the blockchain. We are looking for a diagram and written explanation as to this can be done. There are also records to be kept: company's bookkeeping, communications stored with customer

    €64 (Avg Bid)
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    3 ofertat
    Bitcoin/blockchain vendor shop 3 ditë left
    VERIFIKUAR

    I need a vendor shop that uses PGP encryption, bitcoin block chain. I can list items for sale and people may purchase via bitcoin. Then host this on the tor where i can enter onion URL and access website. Admin features and client feature aswell.

    €177 (Avg Bid)
    €177 Oferta mesatare
    14 ofertat

    We are going to rebuild our website landing page. We need an experienced, creative designer that can create a unique, elegant landing page de...rebuild our website landing page. We need an experienced, creative designer that can create a unique, elegant landing page design. The designer will have previous experience in blockchain/cryptocurrency field.

    €953 (Avg Bid)
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    28 ofertat

    Hi Quest Global Technologies, I noticed your profile and would like to offer you my project. We can discuss any details over chat. I am looking to do a few things on the blockchain ecosystem 1. Crypto Exchange 2. ICO 3. bespoke Medical consultation platform would you be interested in partnership with us ? would you like to advise us on this area.

    €9 (Avg Bid)
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    1 ofertat

    Key features For Coin Development 1 Setting up of Cryptocurrency node servers 2. Set up coin parameters 3. Generation of Blockchain 4. Coin Generation 5. Pool mining 6. Web Explorer 7. Web Wallet 8. Admin Wallet 9. Exchanger Connectivity API

    €1505 (Avg Bid)
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    17 ofertat

    I need a professional blockchain developer to setup my ERC20 wallet app for Android, iOS and web within 7days if possible. My budget is $200 but I can consider increasing it if you impress me

    €573 (Avg Bid)
    €573 Oferta mesatare
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    Build A web game based on blockchain

    €5254 (Avg Bid)
    €5254 Oferta mesatare
    29 ofertat
    Need Blockchain script done 3 ditë left
    VERIFIKUAR

    I Need Custom Blockchain script to be developed. Please send your portfolios so we can review, please not Ethereum Blockchain, custom coin Blockchain script

    €3789 (Avg Bid)
    €3789 Oferta mesatare
    30 ofertat

    I want you to read this paper from chapter 5-8 to understand the concept... I need you to take the Use cases from the white paper ( chapter 6&7) and make them in to Yellow paper meaning, write how it will be done technically... All I need is just the technical write up of how these use cases can be achieved I want to write a yellow on the project.. What I need is just the write down of the te...

    €449 (Avg Bid)
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    Hi I need someone who can write some articles for me.

    €299 (Avg Bid)
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    Trophy icon Create Company Logo 3 ditë left

    My company needs a new logo. We are a crypto currency (coin) and our name is Kore and we are havily based on security. Please che...don´t like our current logo ... Keep in mind that we will want the winner logo in svg format. Some terms that could be used as inspiration 1) Kore 2) crypto currency 3) Blockchain 4) Privacy 5) anonymity 6) Coin

    €88 (Avg Bid)
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    235 kandidaturat
    Project Industry 4.0 3 ditë left
    VERIFIKUAR

    ...di integrazione con piattaforme IoT, supervisione della produzione, interconnessione tra macchine e ERP, progetti di automazione CAD-CAM, Cybersecurity, User Experience, Blockchain, Data Robotics, AI... Ricerchiamo nell'ambito di un sistema SCADA un programmatore esperto in progetti Industry 4.0 che abbia conoscenze di programmazione di Microcontrollori

    €30 - €250
    €30 - €250
    0 ofertat

    Dear Readers, We’re looking for a blockchain specialist with experience in building Dapps. A freelancer that can build a simple, basic but safe cryptowallet for the Tronplatform. ([identifikohuni për të parë adresën URL]) We want to be able to integrate this wallet with our future gameplatform. It should be able to function as a payment system for our platform

    €754 - €1508
    Cilësuar Vulosur
    €754 - €1508
    30 ofertat

    We are going to develop new blockchain and needed developer with enough experience in this part.

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    24 ofertat

    need whitepaper done perfectly

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    ICO whitepaper writing 2 ditë left
    VERIFIKUAR

    I need someone to write White paper for my upcoming Decentralized news Platform which consume Blockchain technology to Broadcast and censor news items through Smart Contracts.

    €18 (Avg Bid)
    €18 Oferta mesatare
    9 ofertat

    we need a blockchain developer to fix an issue in our network. What should be fixed: - Unstable Network  - Upgrade Coin Wallets ( this mean upgrade servers and explorer and everything connected with our coin node ) We are looking for a long-term relationship, when everything is done!

    €138 (Avg Bid)
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    7 ofertat

    ...currently trying to develop itself with the high trendiness of blockchain, due to that, it is required to make an academic research (thesis like) about what are the current practices used in the supply chain for the FCMG industry and what are the voids in those practices or issues that blockchain could solve. please keep in mind that the references should

    €238 (Avg Bid)
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    36 ofertat

    We are looking for a content writer who has understanding in blockchain and cryptocurrency, has experience to write about blockchain, ICO or cryptocurrency. The responsibility would be; - Research industry-related topics (combining online sources and studies) - Write clear marketing copy (white papers, case studies, email templates, blog posts, newsletters

    €23 / hr (Avg Bid)
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    21 ofertat

    Need some expert writers who are experienced in cryptocurrency industry and blockchain technology. Technical writing experience is preferred. We need in-depth and well-researched articles.

    €76 (Avg Bid)
    €76 Oferta mesatare
    24 ofertat

    I want to build my own blockchain using Bitshare Core. If you have experience in Bitshare core blockchain, please contact me. I want to hire true developer. Regards.

    €123 (Avg Bid)
    €123 Oferta mesatare
    5 ofertat
    Blockchain ICO 1 ditë left

    ...platform in exchange for the cryptocurrency. I am looking for someone who is an expert of blockchain and experienced ICO developer. please share some of your past work for the same. Engage and support conversations in communities related to Cryptocurrencies, Blockchain, ICOs, financial technologies, tech investment, etc. • Develop content / social media

    €2507 (Avg Bid)
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    22 ofertat
    Trophy icon Design a banner 1 ditë left

    ...Call-to-Action: Cotización gratuita! About the company: Scalable human transcription service focused on improve speech recognition software accuracy. We are using crowdsourcing and blockchain to empower people - even semi-illiterate ones - to make transcriptions that are used by technology companies to enrich their statistical language models to improve the accuracy

    €13 (Avg Bid)
    I garantuar
    €13
    4 kandidaturat
    Bitshare core Development 1 ditë left
    VERIFIKUAR

    I want to build my own blockchain using Bitshare Core. If you have experience in Bitshare core blockchain, please contact me. I want to hire true developer. Regards.

    €531 (Avg Bid)
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    22 ofertat

    Hell...to change all graphics and diagrams to our style and color same in whitepaper 1.1 in visio diagrams we want to change it to our style and color of project + add some nice blockchain design graphs etc. and in graphical task i send you our task for infographics for our landing page It should be in style with our other previous graphics Thank you.

    €140 (Avg Bid)
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    1 ofertat

    From Beehive office I need a blockchain developer who can develop an ERC20 token wallet app for Android, iOS and web within 3days

    €508 (Avg Bid)
    €508 Oferta mesatare
    23 ofertat

    Just quite a simple task. The problem is I need to implement it with...simple task. The problem is I need to implement it with segwit to receive coin. The wallet can't receive coin ( not showing up in wallet for incoming coin ) but shows up in blockchain. Once you are done fixing, you will send me apk file to testnet before sending me the source code.

    €161 (Avg Bid)
    €161 Oferta mesatare
    23 ofertat

    Want to create iOS and Android apps that bring in multiple APIs to create one great looking challenger bank product which combines KYC, blockchain fund balances, transactions and payments via a virtual debit card. We have all the working parts, now require someone to bring them all together.

    €13 / hr (Avg Bid)
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    1 ofertat

    Need a research report on blockchain application.5-7 pages with Harvard, quality reference should be added

    €6 / hr (Avg Bid)
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    8 ofertat

    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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    37 ofertat