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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    54 건의 일자리 확인, 급여 기준: USD

    I want to call localhost APIs from solidity smart contract. Local APIs such as: GET list: http://localhost:3001/api/locations POST: http://localhost:3001/api/person/ ... DELETE: http://localhost:3001/api/city/id If you want to use Oracle Blockchain then it must be free not paid service. You explain all steps to do that from my side, if there are problems, then you can access to my system using Team Viewer for example. Thanks,

    $118 (Avg Bid)
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    5 건의 입찰

    I have a collection of digital images and I need information and advice on the whole procedure on how to create an NFT of each image and publish them on solana with ETH blockchain network. And how can I get profitability from these images.

    $487 (Avg Bid)
    $487 (평균 입찰가)
    20 건의 입찰

    I have a collection of digital images and I need information and advice on the whole procedure on how to create an NFT of each image and publish them on solana with ETH blockchain network. And how can I get profitability from these images.

    $50 / hr (Avg Bid)
    $50 / hr (평균 입찰가)
    3 건의 입찰

    Need a smart contract developer for smart contraction interaction ico contract with the front end. need from India only.

    $16 / hr (Avg Bid)
    $16 / hr (평균 입찰가)
    4 건의 입찰

    I need to add these two Kaspa and some coins in Miningcore source code. please bid have experience in this field.

    $83 (Avg Bid)
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    4 건의 입찰
    Opendax Peatio 6 일 left

    We want to design frontend UI for opendax Peatio 2.6. Demo providers will be prefered first.

    $35 (Avg Bid)
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    2 건의 입찰

    Требуется разработчик Cosmos SDK, CosmWasm, Secret network, Rust, Node.js для создания платёжного сервиса на основе Secret network

    $5000 - $10000
    $5000 - $10000
    0 건의 입찰

    I have link for project in JavaScript for making certification based blockchain and need one can help me to run this project in visualstudio or any editor run in windows OS The link of project

    $164 (Avg Bid)
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    41 건의 입찰

    SMART CONTRACTS Looking to write these use cases, and then (maybe) develop them. Need to write use cases for the following: Smart Contract as Title: I imagine tradeable token(s), that are linked or? One token will show the state of all the fractional title holders within the whole of a titled object, and other tokens will represent fractional ownership of the whole (I’m open to ideas on how to do this). I have questions about how much data I can or should store on-chain. I imagine an excel-like spread sheet shows all relevant data- which may be on or off chain with a decryption key provided if off chain. Smart Contract to Create Crypto Currency: Create a Crypto Currency that admin sets quantity in circulation—Presumably an ERC-20 Token Smart Contract as Title and Account...

    $199 (Avg Bid)
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    10 건의 입찰

    Hi, Andre, As a Full-Stack web developer, I'd like to support this position. Looking forward to hearing from you. Sergii.

    $33 / hr (Avg Bid)
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    13 건의 입찰

    We are looking to create curicullum with important points and a couple of questionares for M Tech programs. Subjects: 1. Big Data, 2. Cloud Computing and 3. Block Chain We are also looking for SMEs to create guided projects to be performed by the students as well. Here are the notes about the requirements: These notes will be in PDF format with about 6-7 pages. These notes are given to the faculties for facilitating the classes. These notes are given to the students as hand-outs for their reference and homework. Assessments should be there at the end of every module. Assessments can have subjective and objective (open-ended) questions. Courses begin in the first week of Feb-’22. Each semester has 5 subjects. One classroom note for eac...

    $22 / hr (Avg Bid)
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    6 건의 입찰
    Mobile Wallet 5 일 left

    Mobile wallet for a (chia blockchain) Wallet should support Chia (XCH), Chia cats, and later Chia Forks Mobile app design is ready. Fees and logic are planned

    $14 / hr (Avg Bid)
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    36 건의 입찰

    I am looking to prepare an investor's pitch deck for a Crypto start up. I will provide you sample of other comparable and info that you need. I am looking for someone who knows what he/she's doing rather relying on my supplying the info. I need someone with experience in preparing this kind of information and can supply me their portfolio.

    $99 (Avg Bid)
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    56 건의 입찰

    Hello! I'm trying to make a simple coin swap site. Who can help me?

    $2451 (Avg Bid)
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    54 건의 입찰

    We are building a blockchain platform for decentralised applications (Dapps) and helping to create a blockchain ecosystem that allow for scaling and connecting disparate blockchains. We are looking for a member who has • Excellent Understanding of Blockchain Technology • Proficiency in at least one high-level programming language • Solid grasp of cryptography and security principles • Experience with distributed systems and peer-to-peer networking • Knowledge of smart contracts • Familiarity with Algorithm and Data Structures

    $37 / hr (Avg Bid)
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    69 건의 입찰

    i need to fork a project from github and run on my own server and you have to do a monero blockchain fork too..

    $933 (Avg Bid)
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    34 건의 입찰

    We are building an secure online platform for buying, selling, transferring, and storing cryptocurrency. • Excellent Understanding of Blockchain Technology • Knowledge of smart contracts • To assist and service customers, providing a high standard of customer service • To assist people how to trade cryptocurrency

    $21 / hr (Avg Bid)
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    39 건의 입찰

    i need a programmer to who can edit a cuda program i need three more functions added to my cuda source knowledge of cuda c c++ is mandatory

    $181 (Avg Bid)
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    18 건의 입찰

    Hi The current script that I have is applied to the current security, and directions are shown on the chart (entry as a buy or sell). I tried to develop the script to apply the same code to another security, and at the same time merge the two results together and compare them; for example if the two security together have an entry sign, then the entry is shown. also if we can skip that and just do python automation i am open for suggestions. i need someone expert in pinescript and that can communicate with my timing GMT +3.

    $45 (Avg Bid)
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    7 건의 입찰

    I am looking for someone who can update me on the status of the cryptocurrency market and emerging market trends etc. i am familiar with previous trends. Bitconnect, ico, Defi, layer 2 solutions, crypto lending, NFT’s etc. i am aware that there are new emerging trends at the moment which are buried in the current Bear market. You will serve as my crypto investment consultant

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    10 건의 입찰

    Blockchain Website & App Expert require for Payment Exchange and own Payment Gateway - Platform Require Like Stripe and PayPal + with multiple options for Accepting payments and Sending payouts globally. Website & App Design Responsive Website & App Development (Flutter or React Native) Modern Design, Extra Smooth Transitions & 3d Look Money Exchange. Wallet - Account, Transactions, Card, etc. Payment Gateway. (API, SDK & Plugins) Panels/Dashboard Full Website & App Control - Admin Panel & Staff Panel Website, App, Admin & APIs, SDK, Plugins Complete Documentation and 6 month complete Support -- Users can credit payments to their website account (from any source) -- Users can withdraw payments to any required accounts (banks, cards, etc.) -- The website ...

    $2833 (Avg Bid)
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    21 건의 입찰

    Estoy buscando arquitectos de Software/Blockchain con orientación en Microservicios basado en eventos, para desarrollar en lenguaje RUST mediante tecnología WASM / WASI. Se precisa desarrollar una blockchain realmente ambiciosa y revolucionaria, tanto privada como pública, es decir, federada. Buscamos forjar un ecosistema innovador de intercambio de información / datos y conocimiento, centrado en el usuario y que sea el motor que impulse la revolución de las; redes sociales decentralizadas, aplicaciones decentralizadas y la industria 4.0. Nuestro modelo de negocios es basado en servicios. Nuestra objetivo a corto plazo es el desarrollo de una DAICO (DAO + ICO) Para desarrollar y abordar nuestro sistema de financiación basado en riesgos, de la m...

    $50 / hr (Avg Bid)
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    4 건의 입찰

    Creation of a website for integration with web wallets 3. (the most common, such as Metamask, etc.). Within the site a specific section for the Marketplace (opensea type) for the sale of NFTs. The NFTs in GBL file questions are 3D models for the metaverse. It will be important to implement the ERC1135 (multi token) protocol and the ERC4907 (Rentable) protocol in the NFTs that will be minted on the Polygon blockchain.

    $38 / hr (Avg Bid)
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    53 건의 입찰

    Hello Everybody. I am a CTO of DXL Company. In our company, we are going to build exchange platform like Robinhood. So We have to publish first version to get invest. We already have a few investors and in the next January, we are going to show first version to investors. So if they are satisfied, we can collect almost $500,000 and we can go to next round. In the second round, we will found own coin and this coin price will be 10$. So in the first round, your task is the building website (very professional, and responsibility) and build the backend. So In term of first round, we will give you equity and your role is the developer & leader of team. If you want salary, we can support 1000$ per month with equity. But equity is very useful. Because our investors and clients are very powe...

    $2336 (Avg Bid)
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    65 건의 입찰

    I would like to implement the metavers feature on my current site. please bid metaverse blockchain developer.

    $1497 (Avg Bid)
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    51 건의 입찰

    I would like to implement the metabuzz feature on my current site. please bid metaverse blockchain developer.

    $1636 (Avg Bid)
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    42 건의 입찰
    python blockchain expert 3 일 left
    확인

    hello i need an expert in python to help us in a project we are working on regarding blcokchain please let us know if you have enough experience in this more details will be shared later

    $2 - $8 / hr
    파워형 봉인형 NDA (비밀 유지 계약서)
    $2 - $8 / hr
    9 건의 입찰

    Hi I want a code(node js or python) in which it get the price of some cryptocurrencies prices history(every hour) by API using coinmarketcap API or coingecko API or etc and output the result as csv file.

    $238 (Avg Bid)
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    56 건의 입찰

    I need a betting site that allows me to enter betting odds and other people to bet on them using our crypto. Must be able to use all skills in the requirements. If you can not do this, do not apply. If you dont have anything to show that you did this before, do not apply. If you ask me my budget instead of bidding, do not apply.

    $745 (Avg Bid)
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    70 건의 입찰
    Blockchain EVM 2 일 left
    확인

    Create an EVM blockchain with an infinity of words that are generated by the blockchain and not known words as currently to counter quantum computers

    $2858 (Avg Bid)
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    77 건의 입찰

    I need a SMART CONTRACT EXPERT who can check our existing smart contract and sort out the slippage issues that is resulting in our bot being attacked and sandwiched by other bots. It's a small smart contract with a basic buy and sell function. I am looking for the right person with the right experience who can explain to us why this happening and how YOU can resolve this issue.

    $220 (Avg Bid)
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    59 건의 입찰
    calculator of crypto 1 일 left
    확인

    we want to implement a calculator for buy and sell cryptocurrency just like please check this website carefully we have api to get crypto price and should work with our fees in our website fiat to crypto and crypto to fiat calculator

    $20 / hr (Avg Bid)
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    94 건의 입찰

    I need someone who can help with NEAR blockchain projects.

    $246 (Avg Bid)
    $246 (평균 입찰가)
    43 건의 입찰

    I want a platform where the collection owners go and ask to customize the traits for their collections.

    $879 (Avg Bid)
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    45 건의 입찰

    I need who can develop a login to wix website through metamask Please only professional that has handle something like this needed for this please

    $149 (Avg Bid)
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    41 건의 입찰
    new web site 1 일 left
    확인

    I am going to build crypto web site.

    $426 (Avg Bid)
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    61 건의 입찰

    Creation of new token Staking reward on staked NFT Custom Name, Symbol, Supply If you have done similar project, please include a reference. Feel free to bid and let me know if you have questions.

    $953 (Avg Bid)
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    21 건의 입찰

    Experienced Person required to co-ordinate a token launch campaign The campaign will involve a Bounty Campaign, carrying out Bounty Assignments. The job will also involve being involved in meetings on the creation of forms for the campaign. The job also involves co-ordination of Marketing aspects of the campaign including an Affiliate Programme. The job also involves the co-ordination of Social Media aspects of the campaign. After your bid, please open a chat and provide details of your experience in the above areas. Good bonus/commission also paid. You have to be able to start immediately.

    $20 / hr (Avg Bid)
    $20 / hr (평균 입찰가)
    30 건의 입찰

    You have to create a mev bot, which buy and sell in sam block on ethereum and binance. Only apply if you have experience with such type of bots.

    $3314 (Avg Bid)
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    10 건의 입찰
    P2P Marketplace 22 시간 left
    확인

    There was an open source project the team have stopped working on i would like to Fork what they had and restart the project. it was usable up until January of this year 2022. The Github for the project has 48 repositories which i would imagine come together to make the platform work. This code will need to be checked, tested and deployed. At this time some of the ui will need to be simplified creating a better ux than previously also adding a smart contract for payment and a staking feature for defi. Once the platform is successfully deployed, rebranding of the pages will be required. Please see the link below. If you do not understand what is required please with the utmost respect do not waste your time and my time by bidding please only bid if you understand the job required. ...

    $1169 (Avg Bid)
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    49 건의 입찰

    i need a consultation and just a base design in the beginning to understand if the solution has potential or not. it is not about developing the software

    $566 (Avg Bid)
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    15 건의 입찰

    The scope of work is to develop and deliver a decentralized exchange platform in ETH and BSC networks

    $35 / hr (Avg Bid)
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    65 건의 입찰
    Cardano Dapp 15 시간 left
    확인

    Details can be found in the attached file

    $776 (Avg Bid)
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    20 건의 입찰

    Necesito un bot de sniper para pancakeswap, tengo el codigo fuente pero como no soy programador no logro avanzar, necesito completar el bot

    $168 (Avg Bid)
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    21 건의 입찰
    Platform to customize NFTs 4 시간 left
    확인

    I want to be able to modify existing NFT collection by petition of the owners of that collections.

    $588 (Avg Bid)
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    62 건의 입찰

    lets talk in private for all the details.

    $206 (Avg Bid)
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    31 건의 입찰

    Need a very detailed white paper for Crypto coin and blockchain project with some pic's graphics etc

    $155 (Avg Bid)
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    20 건의 입찰

    I'm interested in discussing my business plan which includes a complete 1inch copy (with integrated self-custody wallet). I'd also like to include perpetuals / futures (similar to dydx) either now or in the future.

    $2661 (Avg Bid)
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    31 건의 입찰

    We are looking for a ERC721 Developer for our new Startup. We are looking for someone who is able to setup a whole NFT launch and Minting process.

    $2505 (Avg Bid)
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    75 건의 입찰
    Hummingbot Bot Update 15 시간 left
    확인

    We need the Hummingbot Trading Bot updated and tested with the following changes found at Github

    $250 - $750
    파워형 긴급형 봉인형 NDA (비밀 유지 계약서)
    $250 - $750
    16 건의 입찰

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