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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.

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    40 trabajados encontrados, precios en USD

    i have a task to complete for a client, i need some one who has expirence in cryptocurrency, please contact me

    $58 (Avg Bid)
    $58 Oferta Promedio
    5 ofertas

    Hello to all lancers bidding, We would be very interested in leads for the online casino and online sport betting industry. If you have: > databases with leads of prospects > active bettors and/or gamblers Then contact us. P.s. WE ARE NOT INTERESTED IN SEO, TRAFFIC, OR SOCIAL MEDIA CAMPAIGNS.

    $135 (Avg Bid)
    $135 Oferta Promedio
    5 ofertas

    I am looking for a developer to build me a crypto mixing site. Will share more details with selected developers.

    $622 (Avg Bid)
    $622 Oferta Promedio
    32 ofertas

    Hi i want some one to create me custom php website it should be like this website : [iniciar sesión para ver URL] , it uses custom php and Nginx if you can do it then bid on this lowest price 1st

    $209 (Avg Bid)
    $209 Oferta Promedio
    16 ofertas
    Hyperledger Specialist 6 días left
    VERIFICADO

    A specialist is needed to work in the following areas related to Hyperledger - 1. MSPs, OUs, Orgs, Peers, Anchor Peers, Orderers 2. How new MSPs can join the network 3. Kafka, Solo, Raft 4. KYFN, EYFN 5. peer channels, configtxgen, cryptogen, configtxlator 6. adding peers, deploying simple chaincode (init, invoke) 7. Ubuntu 18.04, EC2. ssh, AWS 8. Hyperledger 1.4 OSS (Apache) The task is to setu...

    $23 / hr (Avg Bid)
    $23 / hr Oferta Promedio
    11 ofertas

    We are building the app for Cryptocurrency and other digital assets. We have a world-class team of data scientists, mathematicians, and quants aiming to bring crypto to the masses by demystifying the underlying data supporting the market. We are looking for full-stack devs who appreciate a challenge. Please, only experienced candidates apply as we are in search of the best

    $21 / hr (Avg Bid)
    $21 / hr Oferta Promedio
    7 ofertas
    Team for new ico 5 días left

    I'm looking for a team for a new ico real estate (blockchain development, marketing manager, website manager, advisor)

    $2971 (Avg Bid)
    $2971 Oferta Promedio
    24 ofertas
    medical-Blockchain- 5 días left
    VERIFICADO

    I looking for someone that can block chain expert. He should know Blockchain well(IBM). I will discuss via chatting more detail. thank reguard....

    $618 (Avg Bid)
    $618 Oferta Promedio
    12 ofertas
    medical-Blockchain 5 días left
    VERIFICADO

    I looking for someone that can block chain expert. He should know Blockchain well(IBM). I will discuss via chatting more detail. thank reguard....

    $52 (Avg Bid)
    $52 Oferta Promedio
    11 ofertas

    Im Srivardhan Reddy from india. I heard a lot about the technology called blockchain and i need a blockchain specialist to teach me.

    $8 / hr (Avg Bid)
    $8 / hr Oferta Promedio
    3 ofertas

    I looking for someone that can block chain expert. Bid only expert. I will share the details with the short listed candidates. thank reguard....

    $414 (Avg Bid)
    $414 Oferta Promedio
    9 ofertas

    Hello - We need someone to compile our whitepaper. We have the general skeleton and key points and need someone to put it together in a polished manner. We just need you to create a word document because we already have the graphics and whitepaper template created. Please message with any questions or clarification needed.

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

    We need someone to design a clean and modern site UI. Freelancers with relevant experience are preferred. The project is related to the gaming sector but the site should maintain a professional and business style. The site should use WordPress. We will provide some initial designs but the freelancer should improve their design based on his/her skills and our recommendations from other website...

    $210 (Avg Bid)
    $210 Oferta Promedio
    33 ofertas

    We're an innovative blockchain company looking for a Lead Developer with Project/Product Management experience to lead our development team, and interact between the Business/Marketing Division and the dev team. We have an existing beta version of our product. We need starting a further development. A product is a Google Chrome Extension, so you must have extensive experience in JS/NodeJS de...

    $41 / hr (Avg Bid)
    $41 / hr Oferta Promedio
    19 ofertas
    sequence and blockchain developer 5 días left
    VERIFICADO

    We need a Golang/blockchain developer who has extensively worked on fintech projects . Experience working with micro services, Experience working with databases . Send me your work recent project's done in Golang only .

    $2078 (Avg Bid)
    $2078 Oferta Promedio
    11 ofertas

    I looking for someone that can block chain expert. Bid only expert.(except new freelancer)

    $179 (Avg Bid)
    $179 Oferta Promedio
    6 ofertas

    I looking for someone that can block chain expert. Bid only expert.(except new freelancer)

    $549 (Avg Bid)
    $549 Oferta Promedio
    11 ofertas

    HI, freelancers. I am looking for an blockchain developer Project Scope: 1. Configuration Private Network based PoA on AWS 2. fixing a bug here is link [iniciar sesión para ver URL] Thanks.

    $21 / hr (Avg Bid)
    $21 / hr Oferta Promedio
    13 ofertas
    Looking for Blockchain developer 4 días left
    VERIFICADO

    HI, freelancers. I am looking for an blockchain developer Project Scope: 1. Configuration Private Network based PoA on AWS 2. fixing a bug here is link [iniciar sesión para ver URL] Thanks.

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

    I need a a block chain development professional of about 3 years experience. Please send your resume (Removed by Freelancer.com Admin) Note- minimum 2-3 years of experience.

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

    There is a set of testers of the new cryptocurrency cashbаck service We are recruiting people who should try out our new service, Cryptokeshbek. All beta test participants will receive $ 500 in Bitcоins for the test. If you have accounts on Blockchain, Binance, EXMO, Huobi, Coinbase. We invite you to cooperate. Our main tasks are to check the stability of the service, and if possible identify bu...

    $500 (Avg Bid)
    $500 Oferta Promedio
    5 ofertas
    Online 3D Game on Blockchain 3 días left
    VERIFICADO

    I am looking for someone who has experience with online 3D games or 3D worlds and ideally also with the Ethereum blockchain.

    $7971 (Avg Bid)
    $7971 Oferta Promedio
    54 ofertas

    Describe the steps needed to build a Blockchain voting system.

    $13 / hr (Avg Bid)
    $13 / hr Oferta Promedio
    13 ofertas

    we required BTC seller for project who have experience in this and can easily manage everything.

    $50 / hr (Avg Bid)
    $50 / hr Oferta Promedio
    3 ofertas

    I have a requirement for an experienced Blochchain architect to review the concept and : 1. Advise on Go/No-Go decision 2. Provide feedback/improvements 2. Clarify the technology stack needed (so that a further development project can be started) 3. Design the architecture of an app and processes with "security" at the forefront and identity verification/management (must be of excepti...

    $286 (Avg Bid)
    $286 Oferta Promedio
    11 ofertas

    A set of new beta testers comes to a new cryptocurrency exchange, everyone can participate in the absolute, even without experience. All beta participants will receive $ 500 in their balance for trading bitcoins. For each error we find, we pay 500 dollars.

    $262 (Avg Bid)
    $262 Oferta Promedio
    7 ofertas

    We need to test the operation of the ERC20 (CRYPTOCASHBACK) CSSBACK token. We invite specialists on working with smart contracts on the ethereum and blockchain networks. 1. It is necessary to conduct an audit. 2. Check the network stability. (make several transactions with our tokens within the ERC20 network. 3. Identify network vulnerabilities, if any. For more information send your applications ...

    $554 (Avg Bid)
    $554 Oferta Promedio
    12 ofertas

    We are a building blockchain based applications for customers across different industries, we have already built in commercial and non profit applications. We want to build the following: We have an application to create with: - about 25 screens - responsive - backend functionality such as login, database inputs from users - blockchain registration of hashed data, we plan to use Ethereum. -...

    $15867 (Avg Bid)
    $15867 Oferta Promedio
    83 ofertas

    I need you to write a research article on banking system,, online banks And compare it with blockchain

    $137 (Avg Bid)
    $137 Oferta Promedio
    32 ofertas

    Hey! I am looking for someone who can teach blockchain app development. Mainly app development on ethereum platform & on hyperledger. You should be available 2-3 hours a day to teach.

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

    i need to split my smart-contract (because it's too heavy for the gas limit), deploy in ropsten to test it, change the contract set in the interfaces that i have to test it, deploy it in main net and set the correct contract in the interfaces.

    $164 (Avg Bid)
    $164 Oferta Promedio
    2 ofertas

    i need to split my smart-contract (because it's too heavy for the gas limit), deploy in ropsten to test it, change the contract set in the interfaces that i have to test it, deploy it in main net and set the correct contract in the interfaces.

    $194 (Avg Bid)
    $194 Oferta Promedio
    2 ofertas

    We are a software company that leverages the power of blockchain technology for supply chain traceability (so no crypto stuff). We want a very futuristic website that has more focus on the technology (we will build a different one for the companies who will use our software that is more simple). This will be our technical website where we also put our API documentation etc.; We are currently activ...

    $286 (Avg Bid)
    $286
    6 participaciones

    I need someone who can install complete [iniciar sesión para ver URL] on my AWS server. You must have to have past experience about installing exchange. Exchange Liquidity Referral Multi language HOT/Cold Wallet erc20

    $239 (Avg Bid)
    $239 Oferta Promedio
    12 ofertas

    Looking for long term developer team for the new project. 1. Liquidity 2. 5 crypto Market - BTC,ETH,LTC,USDS, XRP 3. 20 ERC20 coins to be listed 4. New dark and light UI design (binance basic) 5. Admin Panel must have the listing function and adding market pair function. 6. Referral function needs to add and there should be manage function like 30%,50%80% as per admin mind. My budget is 200$ now...

    $1233 (Avg Bid)
    $1233 Oferta Promedio
    21 ofertas

    Before we move on please show me a demo of your work - centralized exchange platforms! We are looking perfect cryptocurrency exchange which you developed before so we can buy and launch by tomorrow!

    $861 (Avg Bid)
    $861 Oferta Promedio
    13 ofertas
    Blockchain Content Writer 1 día left
    VERIFICADO

    Must have Financial Domain Exp MUST HAVE WRITING EXP MUST HAVE TECHNICAL WRITING EXP MUST HAVE EXP WRITING ON BLOCKCHAIN, SECURITIZATION ETC TOPICS THIS IS LONG TERM ROLE PREFERRED FROM USA, CANADA OR INDIA

    $111 (Avg Bid)
    $111 Oferta Promedio
    11 ofertas
    Django Crypto wallet 1 día left
    VERIFICADO

    Hello, I am creating a wallet website who will help people to manage their crypto , the website is almost done but I need some help with the "admin"panel. People can create organisation with some department inside it , inside the organisation they can create admin department who will manage their wallet. And I have a few problem with it.

    $241 (Avg Bid)
    $241 Oferta Promedio
    25 ofertas
    Stable coin 17 horas left
    VERIFICADO

    Build stable crypto coin. Don’t mind a clone code

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

    Hello we need someone to make hot a fix for our Erc 20 based Eth token. Requirements 1- Have experience on ERC 20 based tokens and can show reference. 2- Knows how to use Putty, Winscp 3- Can teach us how to find some general bugs and errors and their fixes.

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