Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting. Contratar Blockchain Developers

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    44 trabalhos encontrados, preços em EUR

    We need a ready crypto exchange script with documentation for setup and use. Also we need some slight modification for it for our business. The script should be ready and not first to be developed. We also need a logo and landing page. We have a budget of 3000 Euro.

    €2355 (Avg Bid)
    €2355 Média
    26 ofertas

    I am looking for someone that's creative honest with a solid business and Crypto law background. I will be launching an ICO, so I need the right person to write me a white paper. My platform will be serving the globe but will be focusing on the (Middle-Eastern, Gulf-Region, North-African, and Turkish Market.) This is your chance to write something great and potentially become part of the team...

    €181 (Avg Bid)
    €181 Média
    21 ofertas
    Build A Function 6 dias left

    I need someone that is experieced with Blockchain to write in a function to split the block reward into the wallet that mined it and then the wallet for the network

    €508 (Avg Bid)
    €508 Média
    17 ofertas
    Mobile IO ICO 6 dias left
    VERIFICADO

    I am developing a new crypto currency and a token as well I need a ICO launch page that can show the trading value of different cryptos and also allow people to invest in the token. I will need all content created and done as well and if this is done well then the next project is yours as well which is a crypto exchange and app.

    €849 (Avg Bid)
    Destacado ADC
    €849 Média
    18 ofertas
    Create an Ethereum Lottery 6 dias left
    VERIFICADO

    I would like you to create an Ethereum lottery for users to sign in, purchase tickets and allow us to set the lottery count-down, jackpots amount easily.

    €736 (Avg Bid)
    €736 Média
    12 ofertas
    ERC20 POS Token Auditing 6 dias left
    VERIFICADO

    -5000 tokens to be considered as 1 LOT, -15 days staking before they start earning staking rewards. ( 16th day start earning x amount of bitto) -5003, 5900. 9999 ( is considered 1 LOT ). -5 Million to be used as POS and to be distributed within 2 years ( possible extension ) -Maximum reward per LOT is 50 per day. -if there is not enough stakers, extend the time of the 5 million being rewarded. (de...

    €937 (Avg Bid)
    €937 Média
    6 ofertas
    MNR mining pool 6 dias left

    Setup & run a MNR mining pool.

    €274 (Avg Bid)
    €274 Média
    6 ofertas

    I want to do the simplest ICO ever. I want to take an asset (say a painting of mine, or my house, or my car), and pledge it to a digital coin offering. Whoever owns this coin owns the asset (and all distributions from the asset - say the painting sells at auction for $1mm dollars - then all holders of coins would get a distribution of cash). So I need someone to: Launch the coin on an exchange. I ...

    €1049 (Avg Bid)
    €1049 Média
    17 ofertas

    bitcoin borsa ve coll cuzdan uygulamasi isteniyor ve Takpara atında kendi alt coin yaratmak borsaya sokmak 7 /24 aktif sunucu destek ve güvenlik siber saldırılara karşı Yapay zeka ile geliştirilmesi istiyor um yada ne oluyorsa süre kısıtlaması var ihtiyacta

    €5823 (Avg Bid)
    €5823 Média
    12 ofertas

    Looking for an experienced web developer to get a mining pool online for testing. The code is open source and located here [login to view URL] The perfect candidate will have experience with web development, blockchains, and AWS deployment. It should be a simple job the documentation on GitHub explains most of the steps. The front end is included and I do not require any customization.

    €72 (Avg Bid)
    €72 Média
    4 ofertas

    I want to buy an exchange wallet app please, if you have completed one before and you have the source codes, you can easily edit the UIs with what I would give you and then I buy it, please I need this in 24 hours at least and would like to work more with you guys after this is completed for me,don't message me if you don't have what needed .

    €237 (Avg Bid)
    €237 Média
    7 ofertas
    Dapp development 5 dias left

    Dapp development Dapp development

    €528 (Avg Bid)
    €528 Média
    15 ofertas

    ERC20 Wallet for andorid similer app [login to view URL]

    €713 (Avg Bid)
    €713 Média
    15 ofertas

    My project is about building an online review system using ethereum blockchain ( so that reviews are immutable). Also, reviews need to be filtered to detect the spam or fraud reviews & has to be stored in the blockchain. User who provide the reviews must be autheticated.

    €2251 (Avg Bid)
    €2251 Média
    20 ofertas

    I have a project that i need a pow/pos/mm cryptocurrency from scratch made with latest bitcoin core, latest dash masternodes, yescriptr32 for PoW algo, Pivx for PoS or a better PoSv3 fixed and that runs over TOR with OBFS4 and Meek plugins enabled once this is done it will need to be integrated to an existing blockchain of a cryptocurrency via a hard fork. Project for the specialists

    €33 / hr (Avg Bid)
    €33 / hr Média
    32 ofertas
    make me a crypto currency 4 dias left
    VERIFICADO

    i would like my own erc20 token or waves token creating

    €485 (Avg Bid)
    €485 Média
    29 ofertas

    I am looking for blockchain developer, not agency. You have to have wide and deep experience in masternode and Pivx. The details will be shared via interview.

    €2078 (Avg Bid)
    €2078 Média
    30 ofertas

    We are launching an [login to view URL] need a developer to create ethereum smart contract for our project and attach it to my landing [login to view URL] also need to integrate it in our website and also add automatic issues of tokkens to the investors.

    €472 (Avg Bid)
    €472 Média
    32 ofertas

    I am looking for blockchain developer who has wide and deep experience in masternodes and Pivx. If you have worked on Pivx, do not hesitate to contact me. The details will be shared in interview.

    €1888 (Avg Bid)
    €1888 Média
    20 ofertas

    Hello Dear, I would like to start a project by integrating our Ethereum server with the full/ Lightweight node for business concept. If you re interested I would be more then happy having the opportunity for discussing this with you. For your kind update many thanks in advance. Kindest Regards, Bülent

    €76 (Avg Bid)
    €76 Média
    6 ofertas

    I need programmers to implement Sawtooth tracibility for a specific part of my business. Very serious, only need experienced people that understand and work with blockchain technologies already. Sawtooth is a well defined, already developed tracibility system that lives on the HyperLedger platform. I need it implemented to trace from farm to table, and allow end users to be able to look up the ...

    €4043 (Avg Bid)
    €4043 Média
    39 ofertas

    We are hiring great developers with artificial intelligence skills. I want to integrate artificial intelligence, block-chain technology and Google's great technology into my website. I am a real estate broker ceo in Korea. All customers are Korean. You must be able to resolve this issue regardless of your nationality. By combining all the technologies, including artificial intelligence an...

    €424 (Avg Bid)
    €424 Média
    8 ofertas

    We are hiring great developers with artificial intelligence skills. I want to integrate artificial intelligence, block-chain technology and Google's great technology into my website. I am a real estate broker ceo in Korea. All customers are Korean. You must be able to resolve this issue regardless of your nationality. By combining all the technologies, including artificial intelligence an...

    €489 (Avg Bid)
    €489 Média
    2 ofertas

    We are hiring great developers with artificial intelligence skills. I want to integrate artificial intelligence, block-chain technology and Google's great technology into my website. I am a real estate broker ceo in Korea. All customers are Korean. You must be able to resolve this issue regardless of your nationality. By combining all the technologies, including artificial intelligence an...

    €1528 (Avg Bid)
    €1528 Média
    5 ofertas

    hello i need a blockchain developer to fixed my mining pool cos vps have reset and our node have reset.. on vps. And also to setup exchange, I already have the exchange script.

    €198 (Avg Bid)
    €198 Média
    8 ofertas

    Looking to create a new ERC20 token on the Ethereum Network. The token is to be used in the financial services industry to speed up transactions, information and improve efficiencies. I would require a competent individual who can firstly create the token then help in putting together a white paper, Smart contract ,develop the website and create an ICO. only bid on this project if you are a expe...

    €1748 (Avg Bid)
    €1748 Média
    44 ofertas
    Docker & EOS expert 2 dias left
    VERIFICADO

    This role needs good skills in Docker and there is an opportunity to learn EOS. Ideally you will also have good skills in EOS. Essential skills - 1. Docker Containers, Compose, Images 2. Github 3. Ubuntu Desirable Skills - 1. EOS, cleos, nodeos, keosd This is an interesting role. The key work now is to get EOS to run at an installation level.

    €19 / hr (Avg Bid)
    €19 / hr Média
    17 ofertas

    Need to install dtube hosting service and training how to operate and earn from dtube.

    €63 (Avg Bid)
    €63 Média
    1 ofertas

    Basically I need a duplicate [login to view URL] with full admin backend to control the winnings Please share your sample work here. Thanks

    €623 (Avg Bid)
    €623 Média
    26 ofertas

    We are hiring great developers with artificial intelligence skills. I want to integrate artificial intelligence, block-chain technology and Google's great technology into my website. I am a real estate broker ceo in Korea. All customers are Korean. You must be able to resolve this issue regardless of your nationality. By combining all the technologies, including artificial intelligence an...

    €434 (Avg Bid)
    €434 Média
    16 ofertas

    I need an experienced masternode cryptocurrency developer to help me with changing coin specifications via GitHub. After our agreement, I will provide you the GitHub link to allow you to quickly make the necessary suggested changes. This project is for info purposes only, so will not require you to do any type of build or compiling work. When the edits are done, they will be verified and work will...

    €19 / hr (Avg Bid)
    €19 / hr Média
    25 ofertas

    We need someone that has been a longterm member of Bitcointalk to post an ANN thread under Altcoin/Annoucments. Please only bid if your Bitcointalk username is in good standing and if you are an active member on Bitcointalk. Other forums might also be accepted, please PM me.

    €29 (Avg Bid)
    €29 Média
    5 ofertas

    c++ programmer needed with blockchain , node.js skills.

    €541 (Avg Bid)
    €541 Média
    14 ofertas

    Develop a blockchain-application for warehouse logistics. Control of goods receipt to the warehouse, binding to the place in the warehouse (number binding), control of actions within the warehouse, control of dispatch from the warehouse. All actions with each name must be fixed in the block and be unchangeable. We need integration with all modern systems of warehouse accounting and logistics. The ...

    €5163 (Avg Bid)
    €5163 Média
    46 ofertas
    Cryptocurrency Project 19h left
    VERIFICADO

    Hi I am Kai, Project Manager for Bahabeach, we are in need of a developer for our cryptocurrency. I have a blueprint attached. Please read thoroughly before responding. We someone who has real experience in this area.

    €3047 (Avg Bid)
    €3047 Média
    33 ofertas

    What you’ll do/requirements: Work with a multidisciplinary team to carry out and lead the design, implement, and deployment of a blockchain-based application. Prototype (Proof-of-Concept) blockchain applications based on distributed ledger technology such as Fabric and Corda. Architect consensus algorithms and or smart contracts according to business need. Create user interfaces, data ...

    €273 (Avg Bid)
    €273 Média
    19 ofertas

    The Diadem project will use blockchain technology to solve real problems in the mobile telecoms space. It’s an ambitious project with huge potential to both transform the mobile telecoms sector and generate substantial revenue. We've recently completed our whitepaper. We think it's got all the content needed for a great document - technical details, use cases, etc. - but we need ...

    €654 (Avg Bid)
    €654 Média
    63 ofertas

    Main features: 1. Chat (add friend by contact, FB friends, nearby, random broadcast video filter by genre), chat group) 2. Blockchain wallet (wallet, send & receive wallet from chat, PPOB, point, transaction history) 3. feed (news, update status(image or video)) 4. Deals (offline product, voucher) 5. Profile

    €1186 (Avg Bid)
    €1186 Média
    26 ofertas

    Looking for a blockchain developer can work with us on an in-house project implementation. You should have end to end implementation experience on BC. This would involve training and development work. Prefer Bangalore based FREELANCERS and not agencies.

    €487 (Avg Bid)
    €487 Média
    12 ofertas
    Bitcoin wallet & Exchange 8h left
    VERIFICADO

    I need a Developer who can develop a Bitcoin wallet (Mutlucurrency) We are running a small Bitcoin/Crypto Mining Farm and We also have Bitcoin ATMs, We need a developer who can help us with A Bitcoin Wallet. Be fore we Launch an ICO

    €1388 (Avg Bid)
    €1388 Média
    63 ofertas
    block-chain engineer urget 6h left
    VERIFICADO

    i need a block-chain engineer and i want install a web wallet on my server. pls apply if you expert otherwise don't waste time.

    €185 (Avg Bid)
    €185 Média
    14 ofertas

    Hello, I would like to collaborate with someone on an Ethereum Smart Contract game.

    €572 (Avg Bid)
    €572 Média
    25 ofertas
    Create a new Crypto Currency 22 dias left
    VERIFICADO

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    €2994 - €4990
    Destacado Secreto ADC
    €2994 - €4990
    41 ofertas

    Artigos da Comunidade dos Principais Blockchain