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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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    41 trabajados encontrados, precios en USD
    Pasarela de Pagos Cripto + Fiat 3 días left
    VERIFICADO

    Desarrollar una pasarela de pagos que reciba criptomonedas y Dinero Fiat.

    $1329 (Avg Bid)
    $1329 Oferta Promedio
    9 ofertas
    Track & Trace blockchain and IoT 6 días left
    VERIFICADO

    I just want to talk to a track & trace blockchain specialist We are looking for a consulting partner, Our project is in progress, our project manager is from New Delhi, India. We are specialists in blockchain anchors, and we want to shorten the path to Track & Trace. We want to do the tracking by QRcode (via APP) will be sent to Gelocation and anchored in the Blockchain together with H...

    $10 - $30
    $10 - $30
    0 ofertas
    Blockchain 6 días left

    I need a blockchain developer for my project

    $15 / hr (Avg Bid)
    $15 / hr Oferta Promedio
    2 ofertas
    BlockExplorer Developer -- 2 6 días left
    VERIFICADO

    I'm going to modify iquidus explorer. I want to add 2 pages for my coin explorer like the following. [iniciar sesión para ver URL] [iniciar sesión para ver URL] The developer should know the pivx proposal system and iquidus block explorer. *** Please write "Pivx Proposla Iquidus Explorer" on the top of your bid proposal. Else I won't message you. *** Thanks. C...

    $639 (Avg Bid)
    $639 Oferta Promedio
    4 ofertas

    I need an ERC20 token created, with a matching wallet app, that has the ability to stake the token for rewards. The wallet app must contain 5 of the top crypto currencies, with a simple buy/sell function, along with having the token you will create. The coin that will be created needs to be able to be "staked" on the wallet, so that users can gain rewards for holding a balance. The...

    $1412 (Avg Bid)
    $1412 Oferta Promedio
    17 ofertas

    Thank you for taking time to read our job post. We are a tech company located in NY, we are excited about blockchain and the different things blockchain can do for us. We want to hire a full time developer to help us create, manage and deploy smart contracts. We have a few samples of smart contracts we like and whats awesome is, its all open source so its simple to R&D if you have the experien...

    $25 - $50 / hr
    Sellado
    $25 - $50 / hr
    17 ofertas

    We need a Landing Page with the Dash Wallet ([iniciar sesión para ver URL]) integrated for payments in Dash Cryptocurrency to be made directly on the page.

    $515 (Avg Bid)
    $515 Oferta Promedio
    19 ofertas
    Vipex Crpytocurrency Whitepaper 5 días left
    VERIFICADO

    Vipex is a cryptocurrency exchange with it's own token, Vipex Coin. We are building a cryptocurrency exchange. What we want is a description of our exchange, our features, our roadmap and our coin. For example the Freelancer can check other cryptocurrency exchange whitepapers, like Binance. I have already started the writing of the whitepaper. I prefer someone who has create whitepaper before...

    $544 (Avg Bid)
    $544 Oferta Promedio
    25 ofertas
    debug a smart contract 5 días left
    VERIFICADO

    I have a smart contract written in solidity. it is only 65 lines long. it is a crowdsale contract.

    $382 (Avg Bid)
    $382 Oferta Promedio
    4 ofertas

    We would like a blockchain specialist to help us make and enable a video streaming platform by extending our proposed smart contract on the ethereum blockchain platform It must allow - Verification of video purchase - The viewer will send ethereum ether to video owner via our smart contract , the viewer should be able to send verification data to video owner (hosted by him via P2P network o...

    $1899 (Avg Bid)
    $1899 Oferta Promedio
    5 ofertas

    I need to config laravel echo server for my project to make it work properly

    $19 / hr (Avg Bid)
    $19 / hr Oferta Promedio
    18 ofertas
    Digital Token -- 2 5 días left
    VERIFICADO

    I want to built a digital token, name Rei Coin, we have already the DESIGN of the coin. The coin will be not listed.

    $1231 (Avg Bid)
    $1231 Oferta Promedio
    12 ofertas
    BlockExplorer Developer 5 días left
    VERIFICADO

    I'm going to modify iquidus explorer. I want to add 2 pages for my coin explorer like the following. [iniciar sesión para ver URL] [iniciar sesión para ver URL] The developer should know the pivx proposal system and iquidus block explorer. *** Please write "Pivx Proposla Iquidus Explorer" on the top of your bid proposal. Else I won't message you. *** Thanks. C...

    $27 / hr (Avg Bid)
    $27 / hr Oferta Promedio
    10 ofertas
    BUILD BITCOIN MACHINES 4 días left
    VERIFICADO

    I HAVE VERY CHEAP ELECTRICITY SO NOW I WANT TO BUILD OR BUY CHEAP BITCOIN MACHINES. I WOULD EXCEPT PARTNERS ALSO. I AM US BASED

    $140 (Avg Bid)
    $140 Oferta Promedio
    4 ofertas

    Looking for a simple program that can simply and easily transfer funds of specific coins in my wallets between Binance and Kucoins.

    $655 (Avg Bid)
    $655 Oferta Promedio
    6 ofertas

    Looking for a talented developer who has experience into multi vendor ecommerce with template editor panel. SaAS need to have those skills mob dev micronaut, golang java laravel react and redux

    $10 / hr (Avg Bid)
    $10 / hr Oferta Promedio
    11 ofertas
    Online videos for students 5 días left
    VERIFICADO

    Looking for tutors who can create videos for the following topics. >Digital Marketing >Scala Programming >Julia Programing >Block chain >Abacus The remuneration for the work is like the tutor will get twenty five percent of the money for each student joining .It will be a long term investment [iniciar sesión para ver URL] tutors who can create such kinds of video lessons For...

    $405 (Avg Bid)
    $405 Oferta Promedio
    3 ofertas
    Scripting Expert 4 días left
    VERIFICADO

    I have a bot that is currently hooked up to binance.com. It was built using Electron, mongodb and is connected to a server on digital ocean. Some of the tasks would be connecting the bot to the USA site of [iniciar sesión para ver URL], improving upon the current algorithms used to make buys, adding additional features(improve pings, results, balance and order tables), add additional indica...

    $174 (Avg Bid)
    $174 Oferta Promedio
    4 ofertas
    block chain integration to video 4 días left
    VERIFICADO

    block chain integration to video

    $4 / hr (Avg Bid)
    $4 / hr Oferta Promedio
    1 ofertas

    I need an Arbitrage system like [iniciar sesión para ver URL] Can you?

    $640 (Avg Bid)
    $640 Oferta Promedio
    5 ofertas
    Technical book writing 4 días left
    VERIFICADO

    Minimum 300 pages. Need technical person well versed with Cyber Security, AI and ML. How these 3 can help make the IOT system secure. Graphics has to be there in the book.

    $393 (Avg Bid)
    $393 Oferta Promedio
    7 ofertas

    Smart contract project Combination of these projects into one: 1) Forsage: login page [iniciar sesión para ver URL] insert 113501 to log in, smart contract [iniciar sesión para ver URL] 2) Million money: login page [iniciar sesión para ver URL] insert 579984 to log in, smart contract [iniciar sesión para ver URL] The second smart contract need to be changed with mid-l...

    $1209 (Avg Bid)
    $1209 Oferta Promedio
    18 ofertas

    We want to build a smart contract similar to Proof Of Weak Hands. If you have built these type of smart contracts in the past and we can see them and audit them please contact me about working with us on our POWH style contract.

    $611 (Avg Bid)
    $611 Oferta Promedio
    7 ofertas
    setup cardano stake pool 3 días left
    VERIFICADO

    setup full cardano staking pool on cloud

    $126 (Avg Bid)
    $126 Oferta Promedio
    3 ofertas
    Smart Contracts Requirement 3 días left
    VERIFICADO

    We have built a blockchain in Hyperledger Fabric and we need smart contracts created to implement the scenario detailed below. We would liked Open Source Cicero Templates used as per the attached documentation. Further information at: [iniciar sesión para ver URL] We need the smart contracts created that will allow the ownership of real assets to be controlled digitally. As such, on ...

    $820 (Avg Bid)
    $820 Oferta Promedio
    21 ofertas
    Revamp my website 2 días left

    My team and I are building in a niche industry and we're looking for the right individual to help us fine time our website. Seeking a front-end developer familiar with blockchain technology, web3, and building on ethereum.

    $32 / hr (Avg Bid)
    $32 / hr Oferta Promedio
    28 ofertas

    Exchange 1. Cryptocurrency exchange with three(3) trading pair as follows: BTC-Others, ETH-Others, USDT-Others # BTC/ETH/USDT ---- 30 coin trading pair. 2. All market trading should look like genuine. To do that in API you should show other exchange data (as public can realize that this data is genuine trading ongoing) 3. In exchange user can see the last 24 hour total trade volume for every pa...

    $1649 (Avg Bid)
    $1649 Oferta Promedio
    14 ofertas

    Статья обьемом не менее 500 слов за 10$

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

    as I need MLM website using Ethereum Smart Contract

    $250 - $750
    Sellado
    $250 - $750
    14 ofertas

    I need you to develop a cryptocurrency coin like bitcoin. I do not want tokens on Ethereum.

    $4565 (Avg Bid)
    $4565 Oferta Promedio
    12 ofertas

    Need a Blockchain Developer...

    $587 (Avg Bid)
    $587 Oferta Promedio
    18 ofertas

    I have all the specs that I can send to the potential freelancer.

    $2509 (Avg Bid)
    $2509 Oferta Promedio
    11 ofertas

    looking for a experienced Blockchain develooer to perform the tasks of attached file.

    $1656 (Avg Bid)
    $1656 Oferta Promedio
    7 ofertas

    I want to build a digital economy based on supply chain (with inventory re-order system, point of sales menu)that fits any business,any industry have you done also ewallet/crypto exchange? for new account , the applicant need to hold his passport, make a selfi and upload with address proof , right? i want to branch one more step down for 'corporate user' in crypto exchange/ewallet, n...

    $4053 (Avg Bid)
    $4053 Oferta Promedio
    35 ofertas

    POA Blockchain has stopped. We like somebody to recover.

    $27 / hr (Avg Bid)
    $27 / hr Oferta Promedio
    5 ofertas

    Note: Please apply only if you reside in Thailand Remitano: One of the largest peer-to-peer (p2p) cryptocurrency trading platforms in the world, currently serving users in more than 30 countries. The platform provides an escrowed p2p crypto marketplace allowing users to buy, sell and swap crypto and fiat easily and safely. Remitano is a market leader in the p2p platform space, featuring an intuit...

    $476 (Avg Bid)
    $476 Oferta Promedio
    4 ofertas

    I have a lot of issues. If you can fix them, I have a great long term opportunity for you.

    $522 (Avg Bid)
    $522 Oferta Promedio
    23 ofertas

    Build a Crypto Decentralized Exchange like kyberswap

    $962 (Avg Bid)
    $962 Oferta Promedio
    9 ofertas

    I need you to write some articles.

    $6 / hr (Avg Bid)
    $6 / hr Oferta Promedio
    50 ofertas
    Looking for p2p exchange 8 horas left
    VERIFICADO

    Hi i am looking for p2p exchange script kindly bid which have already project which is ready made. Thanks

    $1000 (Avg Bid)
    $1000 Oferta Promedio
    8 ofertas

    Building the network and showing on screen the network nodes, the channels with their balances, and the transactions using the testnet to show the behavior of the network (HTLC, Onion Protocol, etc...).

    $22 / hr (Avg Bid)
    $22 / hr Oferta Promedio
    8 ofertas