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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 a Blockchain Developers

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    34 trabajados encontrados, precios en USD

    Hi. I am going to develop new blockchain. I will share details for right freelancer.

    $1286 (Avg Bid)
    $1286 Oferta Promedio
    20 ofertas
    Needed ERC20 token Service 6 días left
    VERIFICADO

    We need ERC20 token Service Developer. We are looking for a highly skilled developer who can provide us ERC20 Services. We are looking for • Get Balance • Token Send/Receive • Token Address Generation • Transaction History Please Note: • You will need to handover the full development source code to us. • Should be developed with PHP CodeIgniter. • We need the se...

    $579 (Avg Bid)
    $579 Oferta Promedio
    16 ofertas

    1. Create a masternode coin like pivx 2. Create block explorer 3. Create QT wallets ( Win - 32-64, Linux, Mac ) 4. Publishing source code in github [iniciar sesión para ver URL] masternode guide 6. guide to install the seednode Please note : I require only professional developers , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake

    $1186 (Avg Bid)
    $1186 Oferta Promedio
    8 ofertas

    We need to develop and execute a training program in Blockchain

    $522 (Avg Bid)
    $522 Oferta Promedio
    12 ofertas
    Cleveland, Ohio EOS Uber App -- 2 5 días left
    VERIFICADO

    Looking to get an app built on the EOS blockchain that allows riders to receive tokens for their driving service similar to UBER in the Cleveland area. Must have understanding of GPS.

    $4226 (Avg Bid)
    $4226 Oferta Promedio
    25 ofertas
    Cleveland, Ohio EOS Uber App 5 días left
    VERIFICADO

    Looking to get an app built on the EOS blockchain that allows riders to receive tokens for their driving service similar to UBER in the Cleveland area. Must have understanding of GPS.

    $2311 (Avg Bid)
    $2311 Oferta Promedio
    13 ofertas
    Help create my Blockchain Fork... 5 días left
    VERIFICADO

    I need a Blockchain Developer capable of producing a fork with basic Blockchain Adjustments like Block Time, Block Reward, Block Halving, Etc. We would like a wallet implemented and designed as well along with several additional aspects to the development but nothing to extensive. We would require someone with at least 2-3 years experience with Blockchain Developer. ***NOT SMART CONTRACTS! SOL...

    $36 / hr (Avg Bid)
    $36 / hr Oferta Promedio
    37 ofertas

    I need complete guide to create qt wallets, genesis block, block explorer, block chain from scratch. Finished product should include guide for 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 optio...

    $908 (Avg Bid)
    $908 Oferta Promedio
    4 ofertas

    I receive error when i try mint zerocoin, so i need to fix it

    $25 (Avg Bid)
    $25 Oferta Promedio
    1 ofertas

    Hi! I want my iOS app to be developed in React Native. It's an app like Uber. I have the Android & iOS version already made up using Objective C. Design & all the things will be same as the existing app in React Native except map. The map should be created for React Native. It’s a simple map like admin can change the colors, can create own icons, colors on map etc in a word, ad...

    $1927 (Avg Bid)
    $1927 Oferta Promedio
    37 ofertas

    I want to develop a proprietary service for my customers. Essentially, it's going to be a stripped-down version of blockchain. I need someone who is knows blockchain inside out - to the point where theyre not helplessly enamoured by it. If you know what you're doing, this is a walk in the park. If you're wrapped up in your crypto bubble, stay there, I have no use for you

    $1609 (Avg Bid)
    $1609 Oferta Promedio
    32 ofertas
    Compile new POS/POW coin -- 2 4 días left
    VERIFICADO

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    $850 (Avg Bid)
    $850 Oferta Promedio
    6 ofertas

    I need some one to install Rubykube/peatio cryprocurrency exchange in Kubernetes or linux, and you should modify backend and frontend ui please bid if you worked kubernetes docker Ruby on rails and blockchain technologies, want to know more details plz chat with me,

    $30 / hr (Avg Bid)
    $30 / hr Oferta Promedio
    14 ofertas

    fix minor issues on coinspayment gateaway. btc, eth, and ltc mostly is fixed, just that the exchange rate has a problem. [iniciar sesión para ver URL]

    $81 (Avg Bid)
    $81 Oferta Promedio
    10 ofertas
    fix bug on API 3 días left
    VERIFICADO

    i need a minor bug fix on coinspayment API.

    $49 (Avg Bid)
    $49 Oferta Promedio
    25 ofertas

    Hello. I want to make a demo of a decentralized video distribution platform using TRON. There are no ads or commercials on this site. My existing site uses Ethereum for micropayments and WebTorrent (in-browser BitTorrent) for streaming. I want to do a very simple proof-of-concept using TRON instead of Ethereum. The viewer comes to the site and uses TRON to automatically send a micropayment to the ...

    $100 (Avg Bid)
    $100 Oferta Promedio
    1 ofertas

    Progressive web app - to save information in blockchain MVP ... create text message or text box attach photo, take pics, save video, audio ... we want to use Fluree Blockchain Database and Decentralized Apps. database API.

    $761 (Avg Bid)
    $761 Oferta Promedio
    21 ofertas

    Hello, i am seeking for a developer that can build a blockchain based marketplace where user and business people are able to find each other, for example like freelancer.com is doing but for another target group. The site allows to post the needs for site members while bidding on in a competitive tender process. On the other hand seller can list their "item", user can view it and press ...

    $1753 (Avg Bid)
    $1753 Oferta Promedio
    61 ofertas

    1) I want the logic to be implemented (along with the check on the points mentioned if they are functioning properly). User A: Seller Sends 100 User B: Buyer Receives 90 or 88 depending on network fees Transaction amount: 100 Seller Sends: 100 Escrow receives: 100 - 5 ( 3 network fees + 2 commission) = 95 Buyer Receives: 95 - 5 ( 3 network fees + 2 commission) = 90 If network fees goes high from E...

    $328 (Avg Bid)
    $328 Oferta Promedio
    6 ofertas
    Blockchain Dapp 2 días left

    Need to create Dapp using blockchain technology

    $542 (Avg Bid)
    $542 Oferta Promedio
    18 ofertas

    I need someone who is very familiar with Masternodes and how they work. I am going to create a platform like [iniciar sesión para ver URL] or [iniciar sesión para ver URL] A Masternode hosting and deployment platform. I’m familiar with the amount of work needed to develop something like this and it isn’t really too difficult. Fairly simple stuff. Payment will be made...

    $693 (Avg Bid)
    $693 Oferta Promedio
    22 ofertas

    I need someone to help with marketing and crowdsales of an erc20 token profits will be shared after crowdsales.

    $13795 (Avg Bid)
    $13795 Oferta Promedio
    19 ofertas

    Change the code of EOS source code (just a file: [iniciar sesión para ver URL]) to make it work on another token. One should have complete knowledge of EOS and C, C++.

    $18 (Avg Bid)
    $18 Oferta Promedio
    1 ofertas

    Looking to hire someone who can create a cryptocurrency exchange, complete back end. Only wanting to hire someone who has already previously built an exchange or who can build one based off another template. Only willing to spend a minimum amount of money to build the platform. Can only pay monthly, no upfront payments. Want an exchange similar to one of these: [iniciar sesión para ver...

    $983 (Avg Bid)
    $983 Oferta Promedio
    16 ofertas

    some example: [iniciar sesión para ver URL]

    $13 (Avg Bid)
    $13 Oferta Promedio
    1 ofertas

    I have a installed hyperledger fabric (v1.3) network on multiple nodes with Kafka-zookeeper, the setup is: VM1:zookeeperOP、kafkaOP、caOP, ordererOP、peer0/peer1, orgOP、cli VM2:zookeeperHIT、kafkaHIT、caHIT, ordererHIT、peer0/peer1, orgHIT、cli VM3:zookeeperMTL、kafkaMTL、caMTL, ordererMTL、peer0/peer1, orgMTL、cli VM4:kafkaOrderer But when creating a channel, it prompt below error: $ docker exec -e "C...

    $173 (Avg Bid)
    $173 Oferta Promedio
    5 ofertas
    Compile new POS/POW coin 1 día left
    VERIFICADO

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    $738 (Avg Bid)
    $738 Oferta Promedio
    9 ofertas
    Ether Smart Contract Audit 1 día left
    VERIFICADO

    I'm looking legal auditor for our token smart contract. You must have to have company! You should provide a genuine audit paper.

    $506 (Avg Bid)
    $506 Oferta Promedio
    13 ofertas

    I want to gradually start developing our cryptocurrency wallet app for [iniciar sesión para ver URL] that can be downloaded on apps store via Google and other places (IOS, Android and later Windows) Below are some features (open to better suggestions ) A) One place for top coins (BTC, ETH , BCH , Litecoin and Ethlyte token plus other ERC 20 tokens compatible ) B) Exchange between currencie...

    $2892 (Avg Bid)
    $2892 Oferta Promedio
    37 ofertas
    Help me run a ethereum project 20 horas left
    VERIFICADO

    Need help setting up a project - go, geth, ethereum

    $11 (Avg Bid)
    $11 Oferta Promedio
    6 ofertas
    Help me run a go project 20 horas left
    VERIFICADO

    Need help setting up a project - go, geth, ethereum

    $10 (Avg Bid)
    $10 Oferta Promedio
    2 ofertas

    Need to create and design a whitepaper and pitch deck for a blockchain based project (ICO)

    $938 (Avg Bid)
    $938 Oferta Promedio
    29 ofertas

    mình cần tuyển 1 hay 1 nhóm coder có thể code cho mình 1 dapp đánh bạc trên nền erc20 tiền công negotiable

    $2729 (Avg Bid)
    $2729 Oferta Promedio
    8 ofertas
    Create a new Crypto Currency 18 días 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.

    $3419 - $5699
    Destacado Sellado Acuerdo de Confidencialidad
    $3419 - $5699
    63 ofertas