Filter

My recent searches
Filter by:
Budget
to
to
to
Type
Skills
Languages
    Job State
    36 jobs found, pricing in USD

    To create a governance token[Tokenomics] with stake and farm, the farm will have two types, normal and premium and their automatic reward distribution, and referral reward function up to 21 levels.

    $1855 (Avg Bid)
    $1855 Avg Bid
    10 bids
    build me an entire DEX -- 2 6 days left
    VERIFIED

    i want a dex to be built similar to pancakeswap/uniswap

    $819 (Avg Bid)
    $819 Avg Bid
    9 bids
    build me an entire DEX 6 days left
    VERIFIED

    i want a dex to be built similar to pancakeswap/uniswap

    $777 (Avg Bid)
    $777 Avg Bid
    5 bids

    Urgent work, please bid you can accomplish the task soon.

    $103 (Avg Bid)
    $103 Avg Bid
    20 bids

    implement a ethereum smart contracts based blockchain system we will need a simple front end and a backend to do smart contracts for an academic project, please start bid with "electronic health record"

    $114 (Avg Bid)
    $114 Avg Bid
    12 bids
    Lottery Smart Contract 5 days left
    VERIFIED

    Looking for a experienced developer to build lottery contract on ERC-20 Chainlink VRF code and infrastructure will be used and for this contract UI will be designed for our website. Budget is 600 USD

    $570 (Avg Bid)
    $570 Avg Bid
    109 bids

    I am building a DeFi project and it's almost completed. In order to complete quickly, I need to hire an excellent solidity and dapp developer who is professional in Solidity, Smart contract, Web3, React.js, DeFi, and so on. List your experience and skills with example links. This is big project for long-term relationship so I need to test simple task first then decide to hire for long-term. Test task will be paid too. Candidates without sample projects will be ignored.

    $331 (Avg Bid)
    $331 Avg Bid
    31 bids

    Criação de Token (14.000.000) de unidades rodando em Servidor Blockchain na rede Ethereum. O Token sera vinculado a capital social de uma empresa e informará Latitude e Longitude referencia de localizaçao de imovel. Smartcontratct regulara vinculo com empresa e localidades. Precisará estar em Wallet propria e pronta para venda online + futura colocação em Coibase e Binance.

    $610 (Avg Bid)
    $610 Avg Bid
    61 bids

    the ipfs infura uplod function is dubrected and i need update it with new endpoint, check this link also see teh file at attached

    $11 / hr (Avg Bid)
    $11 / hr Avg Bid
    17 bids

    i have project uplaod the nfts to infura ipfs and want to change the end point to please need it fast its should not take 2 hours done the file at ATTACH

    $23 (Avg Bid)
    $23 Avg Bid
    4 bids

    hello i am looking for an expert who can help me designing a crypto Tokeomics for a new project

    $60 (Avg Bid)
    $60 Avg Bid
    14 bids

    i only need the function that is save image to ipfs, working create sekect iage and only button click save at at ipfs you can only update teh function here to work

    $40 (Avg Bid)
    $40 Avg Bid
    11 bids

    EXPLANATION SCHEMA PAYMENT APPLICATION FOR TERMINAL PAYMENT 1. The customer makes a purchase, opens his payment application and scans his QR code on the payment terminal of the merchant who has previously entered the amount of the purchase to be paid. 2. The amount of the transaction is displayed on the customer's screen and can click on "validate". 3. When the transaction is validated by the customer, the amount of the purchase is transferred immediately from the customer wallet to the merchant wallet, a confirmation that the amount of the transaction is available is sent through a green pop-up on the customer application and on the merchant's terminal validating the compliance of the transaction. 4. The amount is then converted into FIAT currency and transferred to th...

    $5191 (Avg Bid)
    $5191 Avg Bid
    22 bids

    URGENT - Simple NFT Create function fix i hvae project yasterday worked normal but today dont work and i think the proplem because the page source code at attached

    $9 / hr (Avg Bid)
    $9 / hr Avg Bid
    20 bids

    Hello I need a smart contract programmer for tokens to do a special course to teach me all the details and how to develop contracts Our maximum budget is $500, please pay attention

    $366 (Avg Bid)
    $366 Avg Bid
    24 bids

    URGENT - Simple NFT Create function fix i hvae project yasterday worked normal but today dont work and i think the proplem because the page source code at attached

    $44 (Avg Bid)
    $44 Avg Bid
    14 bids

    Hi, everyone. I have several problems relating NFT smart contract. I need to write NFTs smart contracts on the Binance Smart chain, and also for these NFTs, I need APIs to implement in our project for selling the NFTs directly from my website. Also, I need to implement the APIs for the wallets so users can connect their wallets and buy the NFTs from our website. Please reply with a proper solution & only an experienced developer.

    $14 / hr (Avg Bid)
    $14 / hr Avg Bid
    62 bids
    Build me a code 2 days left

    Build a code for me to use to do flashloans with out to much hassle just copy and paste it abd choose how many units i want to buy abd the name of them then thats about it and use it thru remix can u help me? I want a great sucess rate from this too or else for it not to work .

    $150 (Avg Bid)
    $150 Avg Bid
    10 bids
    Solidity Smart Contract Fix 2 days left
    VERIFIED

    This is a Solidity Smart contract fix project. If you are in the middle of another project please ignore this This is a two hour job at the max, I know because I am a developer myself This is the audit report. Critical error has already been fixed. These are the points need to be fixed. All are minor logic issues probably one or two lines fixes. BLC MAL MTS L01 L02 L07 L09 L13 those issues I need to be fixed Contract -

    $22 / hr (Avg Bid)
    $22 / hr Avg Bid
    26 bids

    Hello, my name is Shubham. I want a small project using Hyperledger fabric. Basically I want a project that can demonstrate a permissioned network or blockchain. And Hyperledger fabric is known for permissioned blockchain. 1. Please suggest me a topic that solves a problem using Hyperledger fabric in university environment. Like you can build a course or online assignment sharing network etc. 2. I want latency and throughput tests done on the Hyperledger fabric network. 3. Basically I want it for my research purpose so I want to test the permissioned blockchain and screenshots of all the testing done. 4. It should solve a real life problem. 5. I just need a working prototype not a industrial level software 6. I want more of technical literature and analysis

    $1216 (Avg Bid)
    $1216 Avg Bid
    11 bids

    Hello freelancers. I am currently looking for a senior solidity engineer who can join our team. We are planning to build dextool project. You should be familiar with solidity, Uniswap and complicated mathematical logic. Trial work will be required. If you are interested, please drop a message here.

    $29 / hr (Avg Bid)
    $29 / hr Avg Bid
    38 bids
    Solidity Contract fix 1 day left
    VERIFIED

    I have another project and bnb contract need some issues to be fixed after the audit my dev is travelling so it might be delayed I need to fix this sooner BLC MAL MTS L01 L02 L07 L09 L13 those issues I need to be fixed

    $21 / hr (Avg Bid)
    $21 / hr Avg Bid
    60 bids

    I wanna you add the vesting: basically I need to give 50% Immediately the presale is released and 25% every 30 days, but leave those public variables so that the Owner can change the percentages, and the number of days freely after But once the pre-sale has started, these values ​​cannot be changed, only the Owner of the contract will be able to make settings before starting the pre-sale, this is for security for the Investors You should be able to provide the sourcecode without bugs. If you pass this test i could provide you my agency works: costum contracts,dapps evm chains, uniswap forks. Please tell me your price for: Uniswap forks wnd other samples so i can understand your pricing and timeframe. Sourcecode where add the vesting code:

    $21 (Avg Bid)
    $21 Avg Bid
    10 bids

    writing code for a cryptocurrency

    $44 (Avg Bid)
    $44 Avg Bid
    24 bids
    build a solidity/web3 script 1 day left
    VERIFIED

    write nodeJS script that would retreive specific information from blockchain

    $408 (Avg Bid)
    $408 Avg Bid
    86 bids

    i have a python script IT requires cplex to run it . I want alternate open source software to run the script and edit script for that alternate software if required.

    $14 / hr (Avg Bid)
    $14 / hr Avg Bid
    14 bids

    Confidentiality of information, proof of stake, no kyc combination of cosmos sdk with xmr

    $553 (Avg Bid)
    $553 Avg Bid
    15 bids

    I need a revenue sharing solidity programme for BTC

    $445 (Avg Bid)
    $445 Avg Bid
    41 bids

    Hi I have developed smart contract (partially done) need someone to adjust it and then update the whole thing. please message me so I can send you what's done and you can assess real cost of project

    $418 (Avg Bid)
    $418 Avg Bid
    109 bids
    Blockchain Developer for Games 4 hours left
    VERIFIED

    Hi I am developing a game on block chain. Need a very experienced blockchain developer for back end integration on Binance or ethereum

    $898 (Avg Bid)
    $898 Avg Bid
    64 bids

    Hi, We are seeking developer for web3-dapp project. Thanks

    $11 / hr (Avg Bid)
    $11 / hr Avg Bid
    24 bids

    I have Ethereum smart contract. And I need mobile flutter app need to call method on contract. Flutter app must send transaction to mobile metamask wallet.

    $300 (Avg Bid)
    $300 Avg Bid
    34 bids

    I need pre-build ERC721A Merkleproof gas optimized smart contract with all other functions with dapp integrated code. in this way I can use code with multiple project

    $30 - $50
    Sealed
    $30 - $50
    5 bids

    Требуется создать криптовалютную биржу под ключ. По функционалу: - спотовая торговля - маржинальная торговля - фьючерсы - возможность листинга токенов - возможность проведения Token ICO - НАТИВНАЯ ТОРГОВЛЯ (без подключения к бинанс и прочим провайдерам) Прочие моменты буду обсуждать с человеком, который в этом разбирается.

    $35000 (Avg Bid)
    $35000 Avg Bid
    1 bids
    Blockchain & Token 4 days left
    VERIFIED

    Criação de Token (14.000.000) de unidades rodando em Servidor Blockchain na rede Ethereum. O Token sera vinculado a capital social de uma empresa e informará Latitude e Longitude referencia de localizaçao de imovel. Smartcontratct regulara vinculo com empresa e localidades. Precisará estar em Wallet propria e pronta para venda online + futura colocação em Coibase e Binance.

    $648 (Avg Bid)
    $648 Avg Bid
    47 bids
    dimorc.com -- 2 19 hours left

    Blockchain projesi için akıllı sözleşme geliştirme işi yaptırmak istiyorum.

    $143 (Avg Bid)
    $143 Avg Bid
    11 bids