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
    65 trabajados encontrados, precios en USD

    Me gustaría un curso de varias clases/vídeos de Solidity o Hyperledger (cualquiera de los dos me sirve), empezando desde lo más básico hasta llegar a lo avanzado para desarrollo Blockchain y para sacarle el máximo partido al software o para Smart Contracts. La duración total sumando todos los vídeos al menos de 30 minutos. Importantísimo, idi...

    $9 - $36
    $9 - $36
    0 ofertas

    I have an existing solidity contract code that I want to deploy in Remix for my learning purposes. I tried to deploy the contract code, but it keeps throwing an error message. I need help with this deployment. the code is here: [iniciar sesión para ver URL]

    $250 (Avg Bid)
    $250 Oferta Promedio
    1 ofertas

    A newly launched ERC20 token project is seeking teammates to join the core technical and marketing divisions. Team members are expected to help the fundraising and crowdfunding launchpad stages for the current and upcoming stages in token's portfolio. Payments will be made in tokens plus attractive successful and bounty charges on a monthly basis. Applicants must have massive experiences on c...

    $2250 (Avg Bid)
    $2250 Oferta Promedio
    2 ofertas

    [iniciar sesión para ver URL] [iniciar sesión para ver URL] Need to imitate this DAPP, the smart contract has been open source I need web interface and smart contract, all deployment help

    $2249 (Avg Bid)
    $2249 Oferta Promedio
    4 ofertas

    [iniciar sesión para ver URL] [iniciar sesión para ver URL] Need to imitate this DAPP, the smart contract has been open source I need web interface and smart contract, all deployment help

    $2337 (Avg Bid)
    $2337 Oferta Promedio
    12 ofertas
    aeinst digital fiat currency 6 días left
    VERIFICADO

    Build a digital fiat currency which reflects data that is used during a given business transaction utilized to generate consistent interfaces This business object model should facilitate commercial transactions. by providing consistent interfaces that are suitable for use across blockchain technology companies and multinational open source software projects that create updates or otherwise proc...

    $20 (Avg Bid)
    $20 Oferta Promedio
    1 ofertas
    i want ethereum trader 6 días left
    VERIFICADO

    i want ethereum trader who have knowledge in ethereum

    $159 (Avg Bid)
    $159 Oferta Promedio
    5 ofertas

    NOTE 1. Kindly read the following before bidding 2. Whatever price you mention here will be final - no negotiations and no change in pricing 3. Quote your own price - fixed priced - Assume extras for development as per normal website requirements Need to create 2 different types of products 1. An exact fork/replica with different name of the type [iniciar sesión para ver URL] with a no...

    $368 (Avg Bid)
    $368 Oferta Promedio
    4 ofertas
    blockchain 6 días left

    I want a build a platform like [iniciar sesión para ver URL] with similar features using Polkadot blockchain platform which will allow to exchange all blockchain assets and contracts without having to wrap it. Plus the higher TPS and compatibility with multi blockchain. Experience is a Must. No time Wasters.

    $1209 (Avg Bid)
    $1209 Oferta Promedio
    4 ofertas
    Tron Wallet 6 días left

    I need an Android & IOS app. I would like it designed and built. Similar to Tronlink app.

    $1735 (Avg Bid)
    $1735 Oferta Promedio
    10 ofertas
    crypto expert traders 5 días left
    VERIFICADO

    crypto expert traders ...........

    $185 (Avg Bid)
    $185 Oferta Promedio
    4 ofertas

    NOTE 1. Kindly read the following before bidding 2. Whatever price you mention here will be final - no negotiations and no change in pricing 3. Quote your own price - fixed priced - Assume extras for development as per normal website requirements Need to create 2 different types of products 1. An exact fork/replica with different name of the type [iniciar sesión para ver URL] with a no...

    $370 (Avg Bid)
    $370 Oferta Promedio
    1 ofertas

    I have a project which is a fork of another project with added ,feature in order to take the gig you need to have backround in soldity and smart contract and good in editing existing source codes rather than writing all over again

    $580 (Avg Bid)
    $580 Oferta Promedio
    5 ofertas

    Blockchain content editor, edit my blockchain article English grammar.

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

    want bitcoin expert have knowledge in crypto

    $180 (Avg Bid)
    $180 Oferta Promedio
    6 ofertas

    I'd like to have a bitcoin trading site for example binary options. But the same speech would have to set algorithms that allow me to win against the user

    $176 (Avg Bid)
    $176 Oferta Promedio
    6 ofertas

    I need someone you can research & write whitepaper for blockchain based project, you even have to write few things for our website too. you must have a decent experience in this with good knowledge of blockchain, Crypto, DEFI and all you have to research & write it basically. peoples from North America & Europe are preferred. you must be really good English grammar & spellings.

    $109 (Avg Bid)
    $109 Oferta Promedio
    5 ofertas

    I would like to develop a Games site and want these games 1) Ludo game 2) Card game 3) Awale game 4) Pool Game GAME CODES CAN BE BOUGHT ================================= [iniciar sesión para ver URL] [iniciar sesión para ver URL] card also available on there Want user to signup via facebook,gmail, or create account with username,email and password. And can play with anyne online or...

    $1021 (Avg Bid)
    $1021 Oferta Promedio
    13 ofertas

    Porting a smart contract over to Ethereum 2.0 testnet.

    $1010 (Avg Bid)
    $1010 Oferta Promedio
    9 ofertas
    Hyperledger 4 días left
    VERIFICADO

    Looking for a company for a 3 month project. Should be proficient in Hyperledger.

    $5749 (Avg Bid)
    $5749 Oferta Promedio
    12 ofertas

    I need to create my own coin which will be secure an iced with my shares trading on the stock market but something easy did not require too much maintenance see example--[iniciar sesión para ver URL]

    $3827 (Avg Bid)
    $3827 Oferta Promedio
    28 ofertas

    I need someone you can research & write whitepaper for blockchain based project, you even have to write few things for our website too. you must have a decent experience in this with good knowledge of blockchain, Crypto, DEFI and all you have to research & write it basically. peoples from North America & Europe are preferred. you must be really good English grammar

    $119 (Avg Bid)
    $119 Oferta Promedio
    9 ofertas
    need a blockchain developer 3 días left
    VERIFICADO

    Looking for a blockchain developer who had developed cryptocurrency wallets and integrated payment gateway to buy the altcoins and bitcoins. For reference - similar to zebpay, koinex or wazirx

    $4611 (Avg Bid)
    $4611 Oferta Promedio
    18 ofertas
    Basic ERC 20 Smart Contract needed 3 días left
    VERIFICADO

    Dear Freelancers, need a Dev with Solidity, ERC 20 smart contract know how. There is a profound project to be developed - but initially, i only need a smart contract which distributes an ERC-20 Token. Users shall be able to send ETH and the smart contract sends the token back at a predefined rate.

    $212 (Avg Bid)
    $212 Oferta Promedio
    10 ofertas

    Need ready codebase: ICO, smart contract, white paper, blockchain integration, Dapps, EOS,Master node, web wallet, with ECR20 and ECR23

    $913 (Avg Bid)
    $913 Oferta Promedio
    8 ofertas

    I need help creating a website to be used as platform for ICO of asset backed tokens on ERC20 platform. The website should link the buyer wallet and enable the ICO tokens to be distributed after receiving payment in ETH, USDT or BTC. Integration with BTC pay server might be an option. The page should collect customer data for invoices to be produced as a record of the sale. The platform should als...

    $625 (Avg Bid)
    $625 Oferta Promedio
    13 ofertas

    we are going to do a decentralized exchange by using ZK-rollup, and we now need a person to write an ICO white paper.

    $430 (Avg Bid)
    $430 Oferta Promedio
    5 ofertas

    Already complete pages UI design,and HTML work will be completed in 2 weeks. Now looking for freelancer who can do backend software development. Framework: LAMP You must have related work experience like blockchain ,wallet,exchange,etc I use bigto wallet,so no need to develop own wallet . If you have experience of ICO marketing,that is a good plus. If you dont have related experience,please...

    $1561 (Avg Bid)
    $1561 Oferta Promedio
    25 ofertas

    I need a new website. I need you to design and build it.

    $2050 (Avg Bid)
    $2050 Oferta Promedio
    23 ofertas
    Blockchain Developer Required -- 4 3 días left
    VERIFICADO

    We are looking for an expert blockchain developer to work on farming smart contract

    $406 (Avg Bid)
    $406 Oferta Promedio
    6 ofertas

    I need you to develop some software for me. I would like this software to be developed using C or C++, python, java

    $6 / hr (Avg Bid)
    $6 / hr Oferta Promedio
    5 ofertas

    Hello, I am looking for an experienced blockchain developer having good knowledge on web app development. It should have following entities and phases. Entities: • Voters • Candidate • Registration Authority(RA) • Election Authority(EA) • Address Pool • Public supervision Sequential Phases: • Preparation Phase: • First Registration Phase: • Second R...

    $519 (Avg Bid)
    $519 Oferta Promedio
    8 ofertas
    Blockchain Developer Required -- 3 2 días left
    VERIFICADO

    We are looking for an expert blockchain developer to work on farming smart contract

    $1292 (Avg Bid)
    $1292 Oferta Promedio
    6 ofertas

    I need mobile wallet App for IOS and Android supporting ETH and some proprietary ERC20 tokens, with P2P exchange functionality linked to Uniswap or else. The mobile wallet app should be similar to existing ones like trust, where personal proprietary ERC20 tokens can be added as well as configuration for transaction fees or any other admin fees as needed.

    $1584 (Avg Bid)
    $1584 Oferta Promedio
    17 ofertas
    audit for blockchain 2 días left
    VERIFICADO

    we need a blockchain audit for blockchain and wallet. Need a company who have an expereince for audit.

    $4142 (Avg Bid)
    $4142 Oferta Promedio
    22 ofertas

    I need a highly knowledgeable Wordpress plugin developer for a cryptocurrency payment gateway and smart contract creation. Bid only if you have extensive experience with Wordpress development, Web3, NodeJS, Smart Contract creation and Blockchain.

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

    Need ready codebase [anything you have]: ICO, smart contract, white paper, blockchain integration, Dapps, EOS,Master node, web wallet, with ECR20 and ECR23 with the complete audit report.

    $195 (Avg Bid)
    $195 Oferta Promedio
    2 ofertas

    We are looking for an expert JavaScript developer who is highly skilled with Vue.js. Your primary focus will be developing user-facing web applications and components. You’ll implement them with the Vue.js framework, following generally accepted practices and workflows. You will ensure that you produce robust, secure, modular, and maintainable code. You will coordinate with other team member...

    $19 / hr (Avg Bid)
    $19 / hr Oferta Promedio
    53 ofertas

    Need ready codebase for building ICO platform

    $101 (Avg Bid)
    $101 Oferta Promedio
    1 ofertas

    Need a list of address holding EST Contract Tokens with their balance EST contract address 0x2F70323D7199855A50b077c3164Bd030543E3a12

    $61 (Avg Bid)
    Destacado
    $61 Oferta Promedio
    1 ofertas

    A Hong-Kong based company is looking for a crypto marketing and PR expert to help the fundraising and crowdfunding launchpad stages for the current and upcoming projects in its portfolio. Payments will be made in tokens plus attractive successful and bounty charges on a monthly basis. Applicants must have massive experiences on crypto marketing, blockchain advertisement and fundraising by ICO and ...

    $2590 (Avg Bid)
    $2590 Oferta Promedio
    5 ofertas
    Blockchain on AWS -- 2 2 días left
    VERIFICADO

    Looking for a Blockchain AWS Expert for ICO.

    $2500 (Avg Bid)
    $2500 Oferta Promedio
    23 ofertas
    Cyberflex Blockchain POC 2 días left
    VERIFICADO

    we are busy with a POC on Blockchain and IOT Weatherstation information as well as additional sources of information with various types of consumers for one of our clients. Their consumers are farmers and consultants etc. The project will be implemented as a cloud-based solution. Consisting of the following technologies. BlockchainDB. Python. Flask. Postgress. Blockchain business rules. Machine l...

    $39 / hr (Avg Bid)
    $39 / hr Oferta Promedio
    11 ofertas

    I am looking for someone who has experience with application development to front-run pending transactions on the Ethereum network when I buy and sell manually on uniswap contracts.

    $1473 (Avg Bid)
    $1473 Oferta Promedio
    13 ofertas
    Blockchain 2 días left

    Implementing staking and signing in Block chain using python

    $61 (Avg Bid)
    $61 Oferta Promedio
    2 ofertas
    Blockchain Expert 2 días left
    VERIFICADO

    Looking for a blockchain expert to provide the complete solution: ICO, smart contract, white paper, blockchain integration, Dapps, EOS, Master node, web wallet, with ECR20 and ECR23 with the complete audit report.

    $18 / hr (Avg Bid)
    $18 / hr Oferta Promedio
    8 ofertas
    Blockchain on AWS 2 días left
    VERIFICADO

    Expert Wanted: Blockchain on AWS

    $22 / hr (Avg Bid)
    $22 / hr Oferta Promedio
    19 ofertas
    Blockchain Developer Required 2 días left
    VERIFICADO

    We are looking for an expert blockchain developer to work on farming smart contract

    $1061 (Avg Bid)
    $1061 Oferta Promedio
    13 ofertas
    Blockchain Developer needed -- 2 1 día left
    VERIFICADO

    We are looking for an expert blockchain developer to work on farming smart contract

    $116 (Avg Bid)
    $116 Oferta Promedio
    3 ofertas

    I would like to develop a Games site and want these games 1) Ludo game 2) Card game 3) Awale game 4) Pool Game I want these 4 games professional working with good GUI. Want database and also SECURITY. I WANT AN EXPERT IN BLOCKCHAIN TECHNOLOGY to help secure it.

    $1319 (Avg Bid)
    $1319 Oferta Promedio
    27 ofertas