Cadena de bloques Jobs

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

Filtro

Mis búsquedas recientes
Filtrar por:
Presupuesto
a
a
a
Tipo
Habilidades
Idiomas
    Estado del trabajo
    42 trabajados encontrados, precios en USD
    Integrate Monero to a DEX Exchange 6 días left
    VERIFICADO

    Hey Crypto geeks! I need help with integrating Monero with my DEX Exchange. Only bid if you have the skills needed and have the experience. Any questions please dont hesitate contacting me.

    $152 (Avg Bid)
    $152 Oferta Promedio
    2 ofertas

    Please check the script in Laravel and I need to install this make this script a dApp [iniciar sesión para ver URL] We need to convert it to dAapp? Decentralized App. You can suggest which token or technology is best like Ethereum/Tron/ blockchain

    $462 (Avg Bid)
    $462 Oferta Promedio
    10 ofertas

    We are looking for someone to build a mobile app and blockchain to to interact with one another. The Blockchain will need to be built using the Hyperledger Iroha platform (super easy to do this part). The app must also interact with an NFC Chip. The correct individual must be able to build front and back end of mobile app. Experience with encryption (256bit AES CBC Encryption). Experience with re...

    $1350 (Avg Bid)
    $1350 Oferta Promedio
    15 ofertas

    I need you to develop some software for me. I would like this software to be developed for Linux.

    $33 (Avg Bid)
    $33 Oferta Promedio
    2 ofertas

    Hello, have you already developed on EOSIO? I'm looking for a developer to create an EOS DAPP: Smart Contract with Relative Token e Web Platform. The programmer must be aware of EOSIO's blockchain technology and show qualifications. Serious and urgent work. Besides the token, you must create a web platform that interfaces with the blockchain! The token will be the trading currency ...

    $1595 (Avg Bid)
    $1595 Oferta Promedio
    11 ofertas

    Hello, have you already developed on EOSIO? I'm looking for a developer to create an EOS DAPP: Smart Contract with Relative Token e Web Platform. The programmer must be aware of EOSIO's blockchain technology and show qualifications. Serious and urgent work. Besides the token, you must create a web platform that interfaces with the blockchain! The token will be the trading currency ...

    $4866 (Avg Bid)
    $4866 Oferta Promedio
    6 ofertas

    Hello, have you already developed on EOSIO? I'm looking for a developer to create an EOS DAPP: Smart Contract with Relative Token e Web Platform. The programmer must be aware of EOSIO's blockchain technology and show qualifications. Serious and urgent work. Besides the token, you must create a web platform that interfaces with the blockchain! The token will be the trading currency ...

    $2566 (Avg Bid)
    $2566 Oferta Promedio
    7 ofertas
    create a coin on ether 6 días left
    VERIFICADO

    hello, I am looking to create a coin on ether. I am looking hire right away. Please send linkedin. Thank You

    $413 (Avg Bid)
    $413 Oferta Promedio
    8 ofertas

    Please read provided PDF for full job description. Placeholder bids and proposals that do not fully encapsulate the scope of work WILL NOT BE CONSIDERED.

    $219 (Avg Bid)
    $219 Oferta Promedio
    10 ofertas

    Private community blockchain with a fully usable admin panel. May also be a need to connect it to an existing mobile app and possible e-commerce site creation

    $3794 (Avg Bid)
    $3794 Oferta Promedio
    29 ofertas
    Technical article writing 4 días left
    VERIFICADO

    I need a technical article of 1000 words with facts and graphs on any of the following subjects: a. Adoption of blockchain in online gaming industry and how it is changing gaming b. Possible use cases of implementing IoT in gaming c. Possible use cases of implementing IoT in It Infrastructure Management d. Using blockchain in HR Systems (recruitment/hiring/HRMS/employee engagement/payroll etc) e. ...

    $15 (Avg Bid)
    $15 Oferta Promedio
    20 ofertas

    My dev has done a development of pow pos mn coin, when he debug, he got the hash doesnt match with nBites. He said it was possibly because of the bad quality of hash. developer needed to help me fixed this. please send me the portfolio of your previous project expecially in building cryptocurrency

    $518 (Avg Bid)
    $518 Oferta Promedio
    15 ofertas
    Project manager in blockchain 4 días left
    VERIFICADO

    I need some help with my business. For Project Managers A manager who organizes the business plan, improves projections, metrics and financial metrics, organizes and creates project documentation, and manages budgets and closes with the best team for the needs I have. Our work is focused on blockchain and we are now devoting ourselves to the stellar, theta and Dovu protocols. Profound Knowledg...

    $166 (Avg Bid)
    $166 Oferta Promedio
    7 ofertas

    need someone to write an app based on the DAML language.

    $416 (Avg Bid)
    $416 Oferta Promedio
    4 ofertas

    Looking for a skilled IT developer to build Bitcoin drop-shipping service for consumers. Detailed information will be provided via PM.

    $4444 (Avg Bid)
    $4444 Oferta Promedio
    57 ofertas

    I need to add some changes to this script.

    $156 (Avg Bid)
    $156 Oferta Promedio
    23 ofertas

    I need to add some changes to this script: - attach a proof of payment of the bank transfer within a certain period of time in minutes with a countdown displayed, if it has been attached then the order is awaiting payment and in the admin area I can see the attachment and if that file is correct or not, if it is not then I can delete the order with automatic notification to the customer. - during...

    $185 (Avg Bid)
    $185 Oferta Promedio
    31 ofertas
    Blockchain development 3 días left
    VERIFICADO

    We need a parity substrate based blockchain, similar to a project named edgeware ([iniciar sesión para ver URL]). Although some characteristics would differ.

    $772 (Avg Bid)
    $772 Oferta Promedio
    10 ofertas

    I am Dennis Walters a member of the locus chain foundation group. We are looking for a Blockchain developer who is capable of integrating a smart contract.

    $2053 (Avg Bid)
    $2053 Oferta Promedio
    15 ofertas

    we are looking Freelancer Blockchain Technology Trainer only in India. Training Hands-on projects Blockchain Hands-on Implementation Block chain based crypto currency Implementation. Block chain based smart contract.. Many more

    $161 (Avg Bid)
    $161 Oferta Promedio
    2 ofertas
    EOS DAPP and Relative Token 3 días left
    VERIFICADO

    Hello, I'm looking for a developer to create an EOS Dapp + relative token. Company based in Italy. The programmer must be aware of EOSIO's blockchain technology and show qualifications. Serious and urgent work. Please contact me if you are interested. Thank you.

    $2773 (Avg Bid)
    $2773 Oferta Promedio
    25 ofertas

    If you have ever successfully created an Everipedia article, please apply! EOS blockchain specialists familiar with Everipedia are also welcome to apply. We are looking for someone proficient with Everipedia (one of the largest online encyclopedias) to transfer articles from Wikipedia and other wiki sites to Everipedia (we are already proficient with Wikipedia). Everipedia encourages paid freel...

    $97 (Avg Bid)
    $97 Oferta Promedio
    6 ofertas

    ***Please apply ONLY if you have successfully written and posted an Everipedia article OR are familiar with EOS blockchain technologies.*** If you have ever successfully created an Everipedia article, please apply! EOS blockchain specialists familiar with Everipedia are also welcome to apply. We are looking for someone proficient with Everipedia (one of the largest online encyclopedias) to tra...

    $59 (Avg Bid)
    $59 Oferta Promedio
    15 ofertas
    Very simple bitcoin payment script 3 días left
    VERIFICADO

    I need a simple bitcoin payment script that automatically delivers the buyer a secret hash after successful payment. This hash will be used to login for my site when it’s ready. The price will be set to $99usd for my product and after successful payment they will receive an automatic code which be used to login to my site. No one else should ever be able to see this code as it won’t be...

    $126 (Avg Bid)
    $126 Oferta Promedio
    6 ofertas

    I need some help with my business... Consultation required for e-commerce footwear startup. Looking forward to help me as an Mentor for very long term.... please note - Experts in footwear industry is the main requirements here...

    $277 (Avg Bid)
    $277 Oferta Promedio
    3 ofertas

    Experience in building a trading app. Need to develop using the latest techno.

    $924 (Avg Bid)
    $924 Oferta Promedio
    12 ofertas

    I'm looking to get an application made on solidity or hyperldger that allows users to post p2p loan offers or requests using smart contract. The person borrowing the loan must send collateral to a smart contract address before taking the loan and they will be able to borrow a certain percentage of the value of their collateral (default 50%) i.e. if they have 1 eth to use as collateral the...

    $2366 (Avg Bid)
    $2366 Oferta Promedio
    32 ofertas

    Looking for expert blockchain developer who has good knowledge and expertise on creating wallets for crypto coins. I have a code of new coin and I want developer to look into the code and figure out how to create wallet out of it.

    $444 (Avg Bid)
    $444 Oferta Promedio
    17 ofertas

    How blockchain technology would be used in warhouse hosue managemen , please share references

    $142 (Avg Bid)
    $142 Oferta Promedio
    7 ofertas

    I want a decentralized service as simple as can be. Users will pay into the smart contract and will be tumbled / mixed and the outcome will be safe / anonymous ether. Admin address will receive 1% commission on all transactions. Gas fees will be covered by the person making transaction. The focus should be on speed and anonymity!

    $353 (Avg Bid)
    $353 Oferta Promedio
    6 ofertas

    An application like f-b built using BC

    $1077 (Avg Bid)
    $1077 Oferta Promedio
    22 ofertas

    I need to set up my own ARK server using AWS, however I am not sure how to do it. Please apply if you are familir with ARK's core - commander. [iniciar sesión para ver URL]

    $20 / hr (Avg Bid)
    $20 / hr Oferta Promedio
    13 ofertas
    Contiki, NS3 tools expert 1 día left
    VERIFICADO

    Check the attached files for reference

    $610 (Avg Bid)
    $610 Oferta Promedio
    74 ofertas

    For our project, we have created a smartmeter to connect via nodemcu wifi module to adafruit and use MQTT to publish on node-red for blockchain integration. The issue is even though MQTT connection works just fine, I am having trouble connecting to my blockchain and adding blocks. there are plenty errors when it comes to pushing to blockchain. Node-red and blockchain knowledges are required to res...

    $27 (Avg Bid)
    $27 Oferta Promedio
    2 ofertas

    Hello Companies and Developers... I am looking for one of the best individual or company who has already done sports betting website with gambling games like Roulette, Dice, Crash, Blackjack... Similar website - [iniciar sesión para ver URL] Once you will present the demo with admin we will provide some changes and next step would be integration of EOS Dapp. *** Please only bid with wor...

    $11623 (Avg Bid)
    $11623 Oferta Promedio
    22 ofertas

    Assisting me in writing a new project architecture and documentation document for 10 hours I need multiple persons The project will be on mobile and desktop and web and server

    $155 (Avg Bid)
    $155 Oferta Promedio
    9 ofertas

    For the Development of a Blockchain Framework for Robotic Swarm Systems, we are recruiting freelances to create an interdisciplinary team, who will execute the project framed in an Initial Coin Offering (ICO) financial scheme. In addition of the conventional economical remuneration, the freelances will receive tokens. These are the different skills of the members of the team: - Engineers. - Progr...

    $7836 (Avg Bid)
    $7836 Oferta Promedio
    36 ofertas

    I am looking for someone who is experienced in using blockcypher and creating ethereum contracts. You will need to show me how to setup a smart contract using ethereum that sends funds from one address to two different ethereum addresses using blockcypher as described here [iniciar sesión para ver URL] using javascript. Here is an example: Setup a smart contract that sends ethereum from ...

    $46 (Avg Bid)
    $46 Oferta Promedio
    8 ofertas
    Blockchain App 1 día left
    VERIFICADO

    Hello, I want to know budget and times for an app that has the ability to register any document in the blockchain. It will be an application where each company will have its access and will know what hash has been saved and to know that those documents have not been manipulated. I thought it could be a public blockchain or a private Hyperledger Fabric. I do not know very well how to connect the do...

    $21 / hr (Avg Bid)
    $21 / hr Oferta Promedio
    46 ofertas

    Create Ethereum DAPP type like [iniciar sesión para ver URL] but wih my proporcions and on ETH blockchain. Nice Website with smart contracts.

    $200 (Avg Bid)
    $200 Oferta Promedio
    6 ofertas

    Looking for an experienced Haskell developer that can build smart contracts using Plutus which is a subset of Haskell on the Cardano blockchain.

    $32 / hr (Avg Bid)
    $32 / hr Oferta Promedio
    13 ofertas
    Apps restfull blockchain 2 horas left
    VERIFICADO

    I need developers to deliver a complete application with requirements analysis, design, front, back, infra, security, restfull architecture, admin, system for consultants connected to all apps and monthly monitoring 24/7 for 3 apps interconnected an openbanking app api) with steelar protocol for financial transactions, the second a streaming app in the improved model that the Spotify / netflix en...

    $33 / hr (Avg Bid)
    $33 / hr Oferta Promedio
    38 ofertas