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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    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.

    €1239 (Avg Bid)
    €1239 Průměr. nabídka
    23 nabídky

    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 ================================= [pro zobrazení URL se přihlaste] [pro zobrazení URL se přihlaste] 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 onl...

    €632 (Avg Bid)
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    Porting a smart contract over to Ethereum 2.0 testnet.

    €645 (Avg Bid)
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    3 nabídky
    Hyperledger 6 dní left
    OVĚŘENÉ

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

    €4912 (Avg Bid)
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    8 nabídky

    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--[pro zobrazení URL se přihlaste]

    €3274 (Avg Bid)
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    A genuine, well-versed, honest, experienced Full-Stack engineer with Capabilities in Laravel, Javascript, CSS and connection security. The project security is of main importance followed by the grade of the work. The Tasks are: -Incorporate HD Wallet (BTC, LTC, XMR, ETH, XRP) providing a child address for every new contribute order [BIP 32|44] -Integrate diligent and tested security for overal...

    €968 (Avg Bid)
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    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

    €105 (Avg Bid)
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    need a blockchain developer 5 dní left
    OVĚŘENÉ

    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

    €3946 (Avg Bid)
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    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.

    €217 (Avg Bid)
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    7 nabídky

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

    €923 (Avg Bid)
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    6 nabídky

    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...

    €567 (Avg Bid)
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    we are going to do a decentralized exchange by using ZK-rollup, and we now need a person to write an ICO white paper.

    €410 (Avg Bid)
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    7 nabídky

    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...

    €1186 (Avg Bid)
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    I need a new website. I need you to design and build it.

    €1770 (Avg Bid)
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    22 nabídky

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

    €361 (Avg Bid)
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    5 nabídky

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

    €5 / hr (Avg Bid)
    €5 / hr Průměr. nabídka
    4 nabídky

    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...

    €462 (Avg Bid)
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    We are looking for an expert blockchain developer to work on farming smart contract

    €1093 (Avg Bid)
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    6 nabídky

    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.

    €1339 (Avg Bid)
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    audit for blockchain 5 dní left
    OVĚŘENÉ

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

    €3508 (Avg Bid)
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    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.

    €349 (Avg Bid)
    €349 Průměr. nabídka
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    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 [pro zobrazení URL se přihlaste] with a...

    €717 (Avg Bid)
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    2 nabídky

    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.

    €165 (Avg Bid)
    €165 Průměr. nabídka
    2 nabídky

    Need ready codebase for building ICO platform

    €85 (Avg Bid)
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    1 nabídky

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

    €52 (Avg Bid)
    Doporučené
    €52 Průměr. nabídka
    1 nabídky

    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 ...

    €2190 (Avg Bid)
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    Blockchain on AWS -- 2 4 dní left
    OVĚŘENÉ

    Looking for a Blockchain AWS Expert for ICO.

    €2114 (Avg Bid)
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    25 nabídky
    Cyberflex Blockchain POC 4 dní left
    OVĚŘENÉ

    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...

    €31 / hr (Avg Bid)
    €31 / hr Průměr. nabídka
    10 nabídky

    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.

    €1186 (Avg Bid)
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    14 nabídky
    Blockchain 4 dní left

    Implementing staking and signing in Block chain using python

    €80 (Avg Bid)
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    1 nabídky
    Blockchain Expert 4 dní left
    OVĚŘENÉ

    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.

    €15 / hr (Avg Bid)
    €15 / hr Průměr. nabídka
    8 nabídky
    Blockchain on AWS 4 dní left
    OVĚŘENÉ

    Expert Wanted: Blockchain on AWS

    €18 / hr (Avg Bid)
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    18 nabídky
    Blockchain Developer Required 4 dní left
    OVĚŘENÉ

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

    €983 (Avg Bid)
    €983 Průměr. nabídka
    11 nabídky
    Blockchain Developer needed -- 2 4 dní left
    OVĚŘENÉ

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

    €127 (Avg Bid)
    €127 Průměr. nabídka
    2 nabídky

    We are looking for an app developer that specializes in blockchain technology. The freelancer contract timeframe and the set price will agree upon with benchmarks. The payment schedule will be by milestones detailed in the contract. Currently, the development is in the high fidelity wireframes stage and is ready for the developer. We are looking for someone that has 3-5yrs experience or more in th...

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    ports eficiency 3 dní left
    OVĚŘENÉ

    change priorities between trucks and train transportation we are a iot and blockchain company in transportation. we have a full developed application and we want to adapt improvement of the port, we can transform regular containers in inteligent conteiners we are using smart contracts for paperwork saving etc , we need some one that can help us in all the aspects of our work

    €32 / hr (Avg Bid)
    €32 / hr Průměr. nabídka
    12 nabídky

    Подготовка дизайна, бизнес-процессов, технологий по договоренности

    €5 / hr (Avg Bid)
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    DeFi project 3 dní left
    OVĚŘENÉ

    I'm looking for an experienced full-stack developer with background in Ethereum/Solidity and defi in general to develop a project similar to SushiSwap

    €32 / hr (Avg Bid)
    €32 / hr Průměr. nabídka
    21 nabídky
    Blockchain Developer needed 3 dní left
    OVĚŘENÉ

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

    €129 (Avg Bid)
    €129 Průměr. nabídka
    5 nabídky

    A meaningful, experienced, well-versed, and creative Rust engineer self-desired to be part of creating impactful, world improving, and purely innovated solutions. Focusing on BFT Consensus improvement, Wasm VM Integration, Benchmark, Structure, and HD Wallet Integration. The mission is one galvanized by a fundamental guided intention, destined to create liberating, social impacting and world imp...

    €2095 (Avg Bid)
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    Looking for someone to take this github code that identifies triangular arbitrage opportunites on binance and turn it into a program that auto executes profitable trades with the api keys. This means you have to work with trading fees and time constraints to get this work. The program will need to have setting to alow tge tweeking of various variables to make it profitable. Please share your comme...

    €167 (Avg Bid)
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    We are a cross-border money transfer company. We are looking to create an App to facilitate transactions among the peers of the Stellar blockchain network. We've come across a couple of seemingly interesting templates that could be used for that purpose. Please reply with price and portfolio example of work completed.

    €681 (Avg Bid)
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    20 nabídky

    I'm need a platform that allows people to create their own ERC20 tokens (mintable and non-mintable) and ICOs. Those are the only functionalities that would use Blockchain. The ICO part should have the option of a person to select if they want the ICO to be at a fixed token price or with a increasing price; token name; token symbol; token price/dólar; ICO Goal; ICO maximum fund (the ma...

    €1362 (Avg Bid)
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    16 nabídky

    In Africa we have big informal market, people buy and sell in the streets buy exchanging fiat/hard cash. This cash in return is stored at home and those that are fortunate they go and bank. Not everyone has a bank account, bank charges are too much, etc. Cashless Buy, Sell, send and recieve cash using a mobilephone These app should allow street vendors, to sell their products and get the money e...

    €1919 (Avg Bid)
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    Blockchain on ethereum 2 dní left
    OVĚŘENÉ

    Hello, I want to have my own crypto coin for my project. Coin should be secure, easy minable with asic or gpu, and transactions should have low energy consumption. Main use for the coin it would be transfer of funds ( like money). Can you give me a quote how much that would cost.

    €1047 (Avg Bid)
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    24 nabídky

    Implement a blockchain smart contract for the secure association of the vehicles in the VANET architecture.

    €8 - €25
    €8 - €25
    0 nabídky

    Implement a blockchain smart contract for the secure association of the vehicles in the VANET architecture.

    €8 - €25
    €8 - €25
    0 nabídky

    Please reply only if you have done this work in past. Start your message by saying BSCRocks Only then I will reply you.

    €381 (Avg Bid)
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    4 nabídky

    I need someone experienced who can develop a smart contract for us. the smart contract would be audited and should be bug free, I'll give you a set of checklist to which have to be followed. you must have a decent experience in this. you basically have to make token via a ERC20 smart contract. also it would be a bit of long term work too like you have to manage and create more than 1 smart c...

    €143 (Avg Bid)
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