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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    47 znalezione projekty, cennik w USD
    Bitcoin Project 6 dni left
    ZWERYFIKOWANY

    Recovery

    $233 (Avg Bid)
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    Hello dear freelancers! I hope you are doing well in our trying times, and I got some work for you. My main industry is Blockchain open-source software development. I need your bright minds to produce me a great deal of short 1-2 page SEO-friendly articles (2-3 min read). To get you started, I can provide you relevant requirements on the articles in the following form: 1. The main subject we sho...

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    Crypto currency developer in blockchain required. Thanks

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    Looking for expert solidity and Ethereum smart contract developed to developed different contracts on ETH Must have prior experienced in creating Defi and Dapps

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    Seeking a stratum/mining pool expert to walk us through the proper installation for stratum, and also to walk us through the proper configuration for mining. We will pay hourly for you to connect remotely (screen share) and explain over VoIP how to do this. You must be available from 12:30 PM UTC to 3:30 PM UTC

    $30 / hr (Avg Bid)
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    Need crypto trading and wallet API where can be intregated to our orderbook API where those all will be connected each other to make trading and transaction run properly

    $2571 (Avg Bid)
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    FIRST OFF, I HAVE LOTS OF WORK DONE BUT NEED YOU TO CONTINUE THE PROJECT AND MOVE WITH LONGTERM! Requirements for a team: 1) Senior Java Background. 2) Solid Security and Cyber Security Background. 3) Must know how to create full nodes for the coins and tokens listed and offer liquidity solutions. 4) This is only for experienced firms and long term work can be offered! Pay will be for this proje...

    $3000 - $5000
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    FIRST OFF, I HAVE LOTS OF WORK DONE BUT NEED YOU TO CONTINUE THE PROJECT AND MOVE WITH LONGTERM! Requirements for a team: 1) Senior Java Background. 2) Solid Security and Cyber Security Background. 3) Must know how to create full nodes for the coins and tokens listed and offer liquidity solutions. 4) This is only for experienced firms and long term work can be offered! Pay will be for this proje...

    $4600 (Avg Bid)
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    CUSTOMISE TRX CONTRACT .SOL FILE 5 dni left
    ZWERYFIKOWANY

    I have My sol file customize it with some feature. Foe detail chat with me

    $8 (Avg Bid)
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    [zaloguj się, aby wyświetlić URL] have to test and integrate a smart contract (attached the source code ) Maybe are needed changes if something is wrong Maybe is Needed to find a solution for "happy hour event" because on site we need to show when is the happy hour (happy hour button need to glow during happy hour) Need to retrieve the happy hour time and make glow a button that ne...

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    im creating a pizza creator and want to create an NFT token that is a pizza and i want all payments used to create that pizza to be sent to another token that i have

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    we need a really good senior blockchain developer in our team who has a good knowledge of defi and should advice us & our developers too & you have help us in making our application.

    $106 (Avg Bid)
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    I'm Brazilian and I need to develop a bitcoin receipt system that withholds fees. Currently I already have the system for receiving [zaloguj się, aby wyświetlić URL] itself, however I need to collect fees from my customers and I would like every payment to go through me, discount the fee and then send it to the customer's wallet. Example: Let's assume that my fee is 0.5%, when a u...

    $595 (Avg Bid)
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    Im looking for a website designer who is able to replicate 2 simple games but using crypto coins as currency. The cryptocurrency market has been growing at a fast rate and many Bitcoin based Gambling websites are emerging, however they offer the usual basic casino games. The 2 games I require are very simple and easy to replicate and are ratio based, further details of the games will be given once...

    $827 (Avg Bid)
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    I'm an IT expert and Product guy, but do not code. I need a developer to help from start to finish build out my Digital Content Platform. I am an expert in describing requirements, design, and UI/UX flows. I do not have enough coding skills to build the backend or database. This project is to build out first a web based platform (could lead to mobile later) that allows digital content creato...

    $3335 (Avg Bid)
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    Uniswap/DEXes arbitrage bot 5 dni left
    ZWERYFIKOWANY

    Looking for a solidity dev for a dex arbitrage bot developing. Deep solidity knowledge is required.

    $1091 (Avg Bid)
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    Hi there, we have an application that is already in use and many companies are already using it. Now we want to add new functionalities and connect them with blockchain. We want to build our own blockchain, but not from scratch. Together with the developer, we will decide which one we will pull from Github and we will implement our requirements and changes on it. We also want that developer...

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    El proyecto consiste: - Crear página web dinámica, multilingüe y adaptada a diferentes dispositivos. - Crear Contrato inteligente ( Tron) el cual debe estar integrado al sitio web -Para entender la funcionalidad de tronguru, debe instalar Tronlink en su navegador -Página de referencia [zaloguj się, aby wyświetlić URL]

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    El proyecto consiste: - Crear pagina web dinamica, multilingue y adaptada a diferentes dispositivos . - Crear Contrato inteligente ( Tron) el cual debe estar integrado al sitio web -Para entender la funcionalidad de tronguru, debe instalar Tronlink en su navegador -Pagina de refencia [zaloguj się, aby wyświetlić URL]

    $509 (Avg Bid)
    Lokalna
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    Need an EOSIO blockchain developer 5 dni left
    ZWERYFIKOWANY

    I'm looking for an EOSIO developer to help me complete an EOSIO fork.

    $23 / hr (Avg Bid)
    $23 / hr Średnia Oferta:
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    What to build a DeFi service platform having a reference live mainnet and test net project

    $1686 (Avg Bid)
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    authentication application encrypted with blockchain (DLT). Develop an admin system with larval or php. The system uses 3 types of technology: QR codes, AR and NFC. system needs to be able to receive input from external devices (like NFC readers)

    $867 (Avg Bid)
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    NFT Exchange 0x 4 dni left
    ZWERYFIKOWANY

    I am interested in creation of a marketplace of NFTs token based on 0x protocol. I need to deploy [zaloguj się, aby wyświetlić URL] for this project to be up and running on a private blockchain ERC-721. I need a way to be able to create, manage and exchange my collectibles between accounts with different privileges ie (superadmin, admin, customers). I successfully install everything on my local m...

    $574 (Avg Bid)
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    Merkle Tree & Bloom Filter 4 dni left
    ZWERYFIKOWANY

    You can start by using java script, but can use also python, Java, C#, C++. No need for GUI First Part: A presentation with the following information: First slide: a. assignments executed with known bug b. unexecuted assignments Second Slide: how to install and open instructions. Other slides: A clear explanation of the implementation of the work at the module level, needs to be specified at the...

    $195 (Avg Bid)
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    Flexible budget Dont message if it’s your first time making this 1. Hybrid Smart Contract MLM Platform Using TRON and Ethereum. 3. Any kind of matrix MLM plan inbuilt 4. Integration of your Desired Desktop Wallet with Inbuilt Metamask Wallet 5. Integration of your Desired App Wallet with Inbuilt Trust Wallet DApp 6. Customizable Matrix Plan Based on Your Requirements 1. Bug Bounty Co...

    $1404 (Avg Bid)
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    Hi, I need to copy trades from one Binance account to a second binance account. I need help

    $566 (Avg Bid)
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    Looking for a Blockchain Writer 3 dni left
    ZWERYFIKOWANY

    Looking for a technical writer who has a sound knowledge of blockchain and a good experience for the same.

    $12 (Avg Bid)
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    I need a new crypt MLM website. I need you to design and build it.

    $743 (Avg Bid)
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    BlockChain Work i need any serious person

    $1846 (Avg Bid)
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    I need a simple DAPP(blockchain application) game built. Stability and security important. The game will have minimal graphics, but must be highly configurable. Clear coding, extensive commentary, etc. As well as instruction as to web host selection and deployment. Coder(s) will choose best suited programming language for this project.

    $1220 (Avg Bid)
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    I am looking a developer to build a bitcoin selling site. My business buys and sells bitcoin. The website will consist of a Home page, Buy page, Sell page, Registration, Sign-in, FAQ, Contact us and members section. In the back office there will be a Activation Registration page and an Order Book to track buy and sell orders. The idea candidate needs to have- -Ability to create custom si...

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    Taking the [zaloguj się, aby wyświetlić URL] or [zaloguj się, aby wyświetlić URL] smart-contract code and make adjustments The smart contract needs to be 95% decentralize and 5% centralized in order to make changes if needed The smart contract is 100% real and it's not Funzi scam and needs to make sure there is a back door for pulling the money to build the trust of the community. The goa...

    $25 / hr (Avg Bid)
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    crypto currency Escrow System 2 dni left
    ZWERYFIKOWANY

    What I would like to be done is basically copy [zaloguj się, aby wyświetlić URL] The one thing that we would like to be different is to have a few other coins available to purchase, but also cater to various of countries. We will discuss further other countries that will be necessary. But, all the exact same functionalities will be needed. There needs to be an admin panel in which we are a...

    $4916 (Avg Bid)
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    Looking for a quick TRC20 crowdsale contract

    $23 / hr (Avg Bid)
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    ###You need to work with me via a TeamViewer session as i need to observe your work### I have one producer node and one relay node, i now need to register staking keys and addresses. Need your support to generate cold keys in an offline machine and import the file to the productions VMs. Also this is going to be an ongoing support as i have lot of work under way.

    $102 (Avg Bid)
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    Looking for a Blockchain developer for telegram chat

    $86 (Avg Bid)
    $86 Średnia Oferta:
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    Full stack developerz 1 dnia left
    ZWERYFIKOWANY

    More details will be shared via chat

    $17 (Avg Bid)
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    erc20 Blockchain Experrt 1 dnia left
    ZWERYFIKOWANY

    Intergrating ERC20 token into app

    $485 (Avg Bid)
    $485 Średnia Oferta:
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    erc20 Blockchain Experts. 1 dnia left
    ZWERYFIKOWANY

    Intergrating ERC20 token into app

    $38 (Avg Bid)
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    Hi I need someone to help me with Tron Link Payment Gateway Integration with one of the Android Game made on Unity.

    $88 (Avg Bid)
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    erc20 Blockchain Experts 1 dnia left
    ZWERYFIKOWANY

    Intergrating ERC20 token into app

    $46 (Avg Bid)
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    Provably Fair Raffle 19 godzin left
    ZWERYFIKOWANY

    Look for someone to develop a provably fair raffle system for a charity raffle. Must have previous experience with provably fair gaming that is used for online casinos.

    $861 (Avg Bid)
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    READ BEFORE APPLYING! IF YOU MESSAGE ME WITHOUT ANSWERING MY QUESTIONS, I WILL IGNORE YOUR OFFER! I honestly cant believe it....... I need someone to build a Bitcoin/Ethereum Exchange for me. Following will be a feature list that describes the MVP. I made sure the MVP is as slim as possible, and as you can see from the feature list so far, there’s nothing extraordinarily complicated here. T...

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    Hello guys my new project is about fixing a script and make it work correctly!! This is the script im talking about [zaloguj się, aby wyświetlić URL] The only thing i require is to make it work and the compilation commands on a txt file !! thanks in advance

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    Blockchain Development 6 godzin left
    ZWERYFIKOWANY

    need be able to build on stellar network build a cryptocurrency using Stella dev team blueprint no etherium net work

    $57 / hr (Avg Bid)
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    I just need to set up an account to receive and send bitcoin and have someone walk through the sending and receiving with me personally

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    Hello, I am looking for someone who is capable of developing a game much like [zaloguj się, aby wyświetlić URL] with smart contract capabilities and NFT cards. The game would work nearly exactly the same with different theme. Please respond with your pricing and expertise. I would like to begin immediately, but will not pay ridiculous amounts!

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