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    3,559 solidity công việc được tìm thấy, giá theo USD

    ...viết code bằng ngôn ngữ lập trình Sodility. 3. Có hiểu biết và kinh nghiệm trong phương thức lập trình TDD (Test-Driven Development) 4. Có hiểu biết rộng về công nghệ Blockchain, đặc biệt là Ethereum. 5. Quen thuộc với những lỗ hổng thông thường trong Hợp đồng thông minh (Smart Contract) ----------------------------- Yêu cầu: 1. Thiết kế, xây dựng ứng dụng phi tập trung bằng ngôn ngữ lập trình Solidity 2. Viết các tư liệu hướng dẫn liên quan và hỗ trợ kĩ thuật cho team. 3. Kiểm soát chất lượng và các lỗ hổng bảo mật, các đoạn mã code trong hợp đồng thông minh. 4. Tìm kiếm, nghiên cứu các giao thức sử dụng...

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    Need dev has experience on developing smart contracts in Solidity. Location HCM city, VN.

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    I'm venturing into a new enterprise that will greatly benefit from the development of a unique cryptocurrency t...Fundraising for a project – not a loyalty scheme or transaction token so emphasis is on security and coin value growth potentials. • Business Use: This project has commercial applications, being for the kickstarting of a new enterprise I’m working on, hence, commercial insight would be invaluable for the successful development and launch of our coin. Desired Skills and Experience: • Proficient in Solidity, and Ethereum's blockchain architecture • Previous experience in developing and launching crypto tokens particularly on the Ethereum blockchain • Knowledge in financial regulations and crowdfunding strategies • Experienc...

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    I'm seeking a developer with proficient experience in Ethereum blockchain development, particularly in designing an ERC20 token. The token in question is a Meme coin, with the following specifications: - The coin will be based on the Ethereum network. Experience in Solidity and the understanding of ERC20 token standards is necessary. - The token should incorporate a burn mechanism functionality. Understanding of smart contract tokenomics and implementation of manual or automatic burn features is desired. - The total supply of this Meme coin will be 100,000,000,000,000. Therefore, understanding of token supply structure and initial supply creation is imperative. Ultimately, I need someone who can develop secure, efficient, and reliable smart contracts, with clear and easily adap...

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    Solidity Smart Contracts - Dataset 6 ngày left
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    I'm building a model that requires me to have the original English contract with the converted paired Solidity Smart Contract. I'm going to need a lot of these pairs and they have to be accurate. I can't seem to find them anywhere. I found a good dataset on Github, but it didn't have the accompanying English original contracts, so I can't train the model on them. Is anyone good at tracking down datasets on the web, or somehow have access to thousands of these pairings of English contracts and Solidity Smart Contracts?

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    'm seeking an expert blockchain developer to create a token on a Layer 1/2 solution (e.g Binance Smart Chain). The ideal candidate will have a mix of creativity, technical proficiency, and a track record in successful smart contract deployment. Requirements: - Proficient in Solidity and smart contract development - Previous experience with DAPP solutions - Ability to implement and test token functionalities - Expertise knowledge in most cost effective and scalable platforms and solutions Responsibilities: - Develop a smart contract for real world use case - Ensure high security and efficiency standards or advise on external security audit services - Provide documentation for deployment and maintenance Ideal Skills: - Blockchain Development - Scalable Layer 1/2 deployment - S...

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    ...the game's user interface and overall design. Stay up-to-date with industry trends and advancements in blockchain technology and gaming. Requirements: Proven experience as a Blockchain Developer or as part of a Blockchain Development Team. Strong understanding of blockchain technology, smart contracts, and decentralized applications (DApps). Proficiency in programming languages such as Solidity, JavaScript, or C++. Experience with blockchain platforms like Ethereum, Hyperledger, or EOS. Familiarity with cryptographic protocols and secure coding practices. Knowledge of web development technologies, including HTML, CSS, and JavaScript. Ability to work collaboratively within a team and communicate effectively. Strong problem-solving skills and attention to detail....

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    Ethereum Sports Betting Platform Developer 5 ngày left
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    I'm in need of a skilled smart contract developer who's especially proficient in Solidity and JavaScript for a betting platform. Our application requires to fork OvertimeMarkets and adapt it to create our own betting platform. Features to be implemented are: - Smart contract with Solidity - Payment token should be PAALAI token - Deploy smart contracts to Sepolia testnet and write testcase using Hardhat or Truffle Experience and Skills Needed: - Proficiency in Solidity and is a must - Proven experience in blockchain integration, preferably in DApp projects - A strong understanding and prior work history of integrating payment systems. If you have example projects which are similar with this, please provide them.

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    ...the game's user interface and overall design. Stay up-to-date with industry trends and advancements in blockchain technology and gaming. Requirements: Proven experience as a Blockchain Developer or as part of a Blockchain Development Team. Strong understanding of blockchain technology, smart contracts, and decentralized applications (DApps). Proficiency in programming languages such as Solidity, JavaScript, or C++. Experience with blockchain platforms like Ethereum, Hyperledger, or EOS. Familiarity with cryptographic protocols and secure coding practices. Knowledge of web development technologies, including HTML, CSS, and JavaScript. Ability to work collaboratively within a team and communicate effectively. Strong problem-solving skills and attention to detail....

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    Ethereum Smart Contracts Creation 4 ngày left
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    I'm looking to create Ethereum-based smart contracts with specified functionalities. These features revolve around payment transactions and...around payment transactions and token exchanges. Here is what I'm expecting: - Development of smart contracts to facilitate payment transactions. - Implementation of a mechanism for token exchange, with a focus on Ethereum (ETH) as the chosen token. - Maintaining consistent, transparent channels of communication to guarantee on-time project completion. You should ideally have a strong grasp of Solidity and Web3, and have previous experience in creating smart contracts with similar functionalities. Knowledge of Ethereum tokens and their application in token exchange is required. If this sounds like something you could handle, I'...

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    Custom Web Browser Development 3 ngày left
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    ...Browser; integrate new UI, search functionalities, and token reward system. UI Design and Implementation Develop a custom, intuitive user interface. Database Integration for Search Embed a keyword database for search prioritization. Token Reward System Implement a blockchain-based system for rewarding user attention with tokens. Ethereum Smart Contract Development Develop Ethereum smart contracts in Solidity for the token reward system. Testing and QA Comprehensive testing to ensure functionality, usability, and performance. Documentation Detailed documentation for end-users and developers. Maintenance and Updates Regular updates and maintenance for system optimization. ? Non-Functional Requirements Requirement Description Performance Ensure high performance, especially in searc...

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    React Web3 Engineer 2 ngày left
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    ...gas-less wonders. Let's make Ethereum fees disappear like magic! KOL Tooling: Craft mystical tools to empower Key Opinion Leaders (KOLs) to wield their influence within our fantasy realm. They shall be the wizards and witches guiding the masses to victory! Skills Required: - Proficiency in the ancient languages of HTML, CSS, JavaScript, and their modern sorcery known as React. - Familiarity with Solidity and , with a touch of experience in the dark arts of blockchain development. - Ability to brew potions using Node.js, Express, and , ensuring our backend cauldron simmers just right. - Experience with Polygon and other Ethereum scaling solutions, transforming our platform into a dimension where transactions are as fast as a blink of a sorcerer's eye. - Mastery of Git...

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    As someone who's developed a smart contract using Solidity and successfully deployed it on the Sepolia test network via the Infura node, I'm currently experiencing issues. The core problem I'm encountering is with fetching data from my smart contract and displaying it. Details Involved: - The data I'm attempting to fetch is the status of the tested samples for multiple tests captured within my smart contract. - I aim to display the fetched data on a local running website. What I Need: - An expert in smart contracts and Solidity, with a deep understanding of fetching and manipulating contract state data. - Someone skilled in creating a seamless bridge between Ethereum networks and websites, providing intuitive, easy-to-understand displays of fetched data...

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    I'm searching for a capable developer who can create a comprehensive, blockchain-powered Dapp for social networking. Key functions of this Dapp should include: - **User profiles:** The profiles should comprise basic information such as name, age, location, a profile picture, as well as a bio/about section. - **Messaging system:** I need a me...have rich experience working with blockchain technology, ideally Ethereum or other similar platforms. A strong track record in the development of DApps would definitely be a bonus. The freelancer should also possess a strong understanding of modern social networking dynamics, and be proficient in integrating traditional social networking features into blockchain-based applications. Proficiency in Solidity, , and React.js would be prefe...

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    Intermediate Crypto Developer Needed 2 ngày left
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    ...blockchain integration, and wallet development. Specifically, your tasks will include: - Creating and deploying smart contracts - Integrating blockchain technology into our existing systems - Developing secure cryptocurrency wallets The ideal candidate for this project should have intermediate experience in cryptocurrency development and a proven track record of delivering results. Proficiency in Solidity, C++, JavaScript, and Python is required. Besides, you should demonstrate a clear understanding of blockchain principles, protocols, and cryptography. Apart from technical skills, I value great communication, problem solving skills, and, importantly, a passion for blockchain technology. Your proactive inputs to optimize our systems and processes will be highly appreciated. L...

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    ...Overall System Configuration: - Golang, Solidity Project Timeline: - Total project duration: 3 months - Planned start date: ASAP (Start date negotiable until early March) - Interview and contract schedule: Interviews will be conducted upon finding suitable candidates, and contract decisions will be shared within 2-3 days. - Contract process: Project application > Practical interview (no coding test) > Contract decision Number of Positions: - 1 person with 3-4 years of experience * Based on 20 hours of remote work per week, work hours Detailed Responsibilities: - We will request overall development and management of the internal system. * While we prefer a full-stack developer, backend developers are our priority. Required Skills: - Golang, Solidity Preferred Qua...

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    ...unfamiliar with. We created Receipt3.0, a full-stack application that allows businesses to create digital receipts that exist on the Ethereum blockchain. The idea of the project focused on decentralization, where individuals had ownership of their own receipts, and can use it to refund their bought products. These receipt tokens would exist on the user's MetaMask wallet. We built smart contracts using Solidity and tested everything on the Ganache network. The frontend was created using React and Chakra-UI, while the backend used Express, Node, and MongoDB to store data. Here is code: For now my previous developer can't working anymore on this project. So I am looking for a seasoned full stack developer who is familiar with Web3 and MERN stack. Your role is

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    ...turn-around for 3D printing. **Ideal Skills and Experience:** - **Proficiency in 3D Modelling:** Extensive experience with Fusion 360, especially in creating models from photographs. - **Attention to Detail:** Even with a fast turnaround, the models should be precise in dimensions and features. - **Understanding Prototyping Needs:** Knowledge of what's essential for a prototype regarding model solidity, detail, and suitability for 3D printing. If you have the skills and can meet the tight deadline, please bid with your portfolio showcasing similar work....

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    Finance Dapp for Polygon Đã kết thúc left

    I am looking for an experienced developer to create a finance decentralized application (dapp) that runs on the Polygon blockchain. The core feature of this dapp will be wallet integration, enabling users to manage their finances seamlessly within the platform. **Ideal Skills and Experience:** - Proficiency in Solidity and smart contract development. - Experience with the Polygon blockchain. - Strong knowledge in dapp structure and decentralized finance (DeFi) mechanisms. - Familiarity with wallet integration techniques and security measures. - Proficient in or for front-end interactions with the blockchain. **Key Features Required:** - Smooth and secure wallet integration for users to interact with their assets. - Intuitive user interface that simplifies financial transactions

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    Smart Contract Crypto Token Đã kết thúc left

    ...This project does not have a defined use case yet, as it could range from supporting decentralized finance (DeFi) applications to potential uses in NFT marketplaces or even voting systems. The primary requirement is for the token to possess robust smart contract capabilities that are secure, efficient, and adaptable to various applications. **Essential Skills and Experience:** - Proficiency in Solidity and smart contract development - Experience with the Ethereum blockchain or compatible networks - Understanding of various blockchain protocols, especially pertaining to token creation - Knowledge in developing and deploying secure, gas-efficient smart contracts - Familiarity with DeFi applications, NFTs, and decentralized governance would be beneficial **Project Requirements:** ...

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    I'm urgently in need of an expert Solidity programmer to make crucial updates to our script. The modifications include: - Adding new features - Fixing existing bugs Ideal candidates should have proven experience in Solidity programming. I highly encourage sharing this experience while applying. We will discuss further details via chat. Please, only serious and immediately available freelancers should show interest. Your timely delivery is incredibly crucial for this project. Thanks.

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    Ethereum Voting System Creation Đã kết thúc left

    I'm looking for a talented software developer with solid expertise in blockchain to create an Ethereum-based voting system. This system aims to leverage the transparent, secure nature of blockchain technology to ensure fair and tamper-proof elections or votes. **Essential Skills and Experience:** - Proficiency in Solidity for smart contract development. - Strong understanding of Node.js and JavaScript for backend and frontend development. - Proven experience with Ethereum blockchain, particularly in developing decentralized applications (DApps). **Project Requirements:** - Design and deploy smart contracts on the Ethereum blockchain for voting purposes. - Ensure the application is user-friendly, secure, and scalable. - Implement a system for anonymous yet verifiable voting to...

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    ...the completion of the ICO as a success fee and has the following capacity: - **ERC-20 Token Creation**: Expertise in generating a secure and functional ERC-20 token, aligned with current standards but also allowing room for custom features down the line. - **Implementation Speed**: Given the urgent nature, I need someone who can prioritize and work efficiently to meet the ASAP timeline. - **Solidity Proficiency**: Knowledge in writing, deploying, and verifying Smart Contracts on Ethereum's network. **Preferred Experience**: - Experience with ICOs or token launches - White Paper writing - Familiarity with Ethereum blockchain programming - Understanding of smart contracts and trending tech - ICO Website Development - Low budget marketing campaigns While no additional...

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    I'm in search of a highly skilled intern with advanced experience in Ethereum blockchain technology. The ideal candidate will dive into a range of projects that cut across: - Smart Contracts Development - Decentralized Application (DApp) Development - Blockchain Infrastructure Skills and Experience: - Proficiency in Solidity and smart contract development tools - Experience with Ethereum and understanding of its architecture - Knowledgeable in decentralized applications (DApps) design and implementation - Familiarity with blockchain infrastructure setup and management - Strong problem-solving skills and ability to work in a fast-paced environment This internship is a unique opportunity for someone looking to expand their expertise in Ethereum blockchain technology while wor...

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    I'm in search of a skilled blockchain developer who has a deep understanding of BNB Greenfield and opBNB platforms. My project is geared towards seamlessly integrating blockchain technology with an existing application, focusing specifically on advanced smart contracts integration. **Essential Skills and Qualifications:** - Proficient in Solidity. - Experience with BNB Greenfield and opBNB for efficient implementation. - Proven track record of developing and integrating advanced smart contracts. **Project Requirements:** - Analyze the existing application to determine the most effective integration points for blockchain technology. - Design and develop advanced smart contracts that meet the needs of our application. - Ensure that the integration enhances the application'...

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    ...staking. Key Features: 1. Decentralized Lending and Borrowing: Users should be able to lend and borrow digital assets securely. 2. Staking and Yield Farming: The platform should support staking for multiple tokens and offer yield farming opportunities to boost user profits. 3. Liquidity Pools: Allow users to pool their assets to earn transaction fees and rewards. Ideal Skills: - Proficiency in Solidity or Rust for smart contract development. - Familiarity with Solana, BSC, and Polygon blockchains. - Proven experience in DeFi platform building, particularly with yield farming, staking, and liquidity pool features. - Good understanding of DeFi concepts, blockchain security, and smart contract optimization. With these critical functionalities in place, our platform will stand out...

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    NFT Marketplace Creation Đã kết thúc left

    ...including: - User accounts with wallet integration - Secure NFT transactions (buying and selling) - **Security:** Advanced knowledge in blockchain security to ensure safe transactions and protect against common vulnerabilities. ### Ideal Skills and Experience: - Proven track record in developing and launching NFT marketplaces or similar projects on Binance Smart Chain. - Expertise in Solidity and smart contract development. - Experience with or similar libraries for front-end integration. - Familiarity with IPFS for decentralized file storage. - Strong understanding of cryptocurrency wallets and their integration for user transactions. This project is an exciting opportunity to contribute to a cutting-edge platform in the burgeoning NFT space. If you have the skills ...

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    Solana Staking Dapp Development Đã kết thúc left

    ...rewards proportionally based on the amount of token a user has staked. **Skills and Experience Required:** - Proficiency in Solana blockchain development. - Experienced with creating smart contracts, specifically related to staking and rewards distribution mechanisms. - Prior work developing user interfaces for dapps, with a strong understanding of user experience best practices. - Knowledge of Solidity or Rust programming languages. - Familiarity with blockchain security practices to ensure the safety and integrity of the token and its holders. The ideal candidate will have a demonstrated history of successful blockchain projects, particularly on the Solana network, with a focus on dapps that include staking and/or rewards distributions functionalities. **Project Goals:** The...

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    ...against unauthorized access. - Ensuring robust access control mechanisms are in place to restrict functions to authorized users only. - **Code Optimization:** Alongside security, the optimization process should aim at: - Refining the code to adhere to high performance standards, ensuring swift execution without compromising functionality. **Ideal Skills and Experience:** - Proficient in Solidity or applicable smart contract languages. - Demonstrated experience in smart contract development, auditing, and security. - Familiarity with encryption techniques, access control models, and authentication mechanisms. - A strong understanding of blockchain technology, specifically how smart contracts operate within it. - Expertise in code optimization, with a track record of enhanci...

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    ...performing compound interest calculations, offering users insights based on varied compounding frequencies. ### Requirements: - Proficiency in Solidity, CSS, Javascript, Node JS, React JS, HTML, C++, C#, and relevant web development frameworks. - Solid understanding of blockchain technology and experience with EVM's. - Familiarity with smart contract interaction, subgraphs etc for ERC-20 tokens. - Ability to implement complex formulas for reward calculation and compound interest. - Experience in creating user-friendly, engaging UI/UX designs. ### Ideal Skills and Experience: - Previous work on Dapps and staking rewards calculators. - Knowledge of Solidity and smart contract languages. - Strong understanding of how to pull from and integrate blockchain data/pricing ...

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    Ethereum NFT Dev Needed Đã kết thúc left

    ...tokens. The main goal of this project is to develop a smart contract that not only generates these digital assets but also ensures seamless interaction with external APIs for real-time data integration. This contract will serve as the backbone for a larger platform aimed at revolutionizing how digital assets are created, distributed, and interacted with. **Key Requirements:** - Proficient in Solidity and Ethereum smart contract development. - Experience with NFT and token creation on the Ethereum blockchain. - Ability to integrate smart contracts with external APIs for real-time data. - Knowledge of best practices for secure smart contract development. - Ability to write clean, maintainable, and efficient code. **Ideal Skills:** - Familiarity with ERC-721 and ERC-20 token stand...

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    Seeking a proficient Solidity developer to create two Web3 pages that interact with our token. The access to these webpages is exclusive to the wallet holders of our token. As a workflow, the pages should have the following features: Page 1: Voter registration. A user must logon to the page with his/her wallet and register to vote. The page must then collect the voter data (registration date-time, wallet address and number of tokens held) the data must be stored in a MySql table - upon completion user must exit Page 2: Voter action. On the voting day the user must logon to the page with his/her wallet, number of tokens will be compared to the table against the wallet address. If the wallet is not registered or if the token number has changed then the voter can not continue and ...

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    ...these weaknesses but also to identify possible solutions to mitigate them. This project will serve a critical role in enhancing the security framework of smart contracts by providing a comprehensive analysis and remediation strategies. **Requirements:** - Profound knowledge of Binance Smart Chain and its architecture - Proficiency in smart contract development and security - Experience with solidity and smart contract vulnerabilities - Ability to conduct thorough security audits and penetration testing on BSC smart contracts - Strong analytical skills to write a comprehensive report that details vulnerabilities and provides actionable solutions **Ideal Skills and Experience:** - Previous experience in blockchain security and smart contract audit - Strong background in cryptog...

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    I'm in need of an experienced developer for my decentralized application (DApp). This DApp is meant to serve the financial services sector using the Kadena blockchain network. - Proficient in JavaScript, Solidity, and PACT: I am open to using these languages for the DApp development. Your comfort with these languages is crucial. - Expertise in Kadena blockchain: Given the nature of the platform, understanding and expertise in using the Kadena blockchain is essential. - Experience in Financial Service DApps: Ideally, you've built DApps for the financial service sector before. This knowledge will help considerably in bringing my project to life. Experienced developers with a deep understanding of blockchain technology and fantastic problem-solving capabilities would be a ...

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    ...technology. **What I Need:** - Development and deployment of smart contracts on the Ethereum network. - Creation of a decentralized application (DApp) that interacts seamlessly with these contracts. - Expertise in blockchain development with a focus on Ethereum. **Ideal Skills and Experience:** - Proven track record with Ethereum smart contracts and DApp development. - Strong understanding of Solidity and Ethereum's development tools. - Experience with blockchain architecture and decentralized technologies. - Ability to innovate, propose, and implement robust Web3 solutions. This project is not just about coding but about creating something transformative. If you're passionate about decentralized technology and have the skills listed, I want you on board. Let's ...

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    ...tokens in smart contracts and earn rewards based on the amount staked and the duration of the stake. Liquidity Farming: Develop liquidity farming features where users can provide liquidity to decentralized exchanges (DEXs) and earn rewards in the form of additional tokens or governance tokens issued by the protocol. Requirements: Proficiency in blockchain development, particularly Ethereum and Solidity. Experience with for interacting with smart contracts and the Ethereum blockchain. Familiarity with WalletConnect protocol and integration. Strong understanding of decentralized finance (DeFi) concepts including staking, liquidity provision, and yield farming. Ability to design and develop user-friendly interfaces for DApp browser and web app wallet. Prior experience in develop...

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    As the project...Ethereum wallet functionality. This website should focus on the following aspects: - Wallet Integration: The primary feature of this project is the integration of an Ethereum wallet. It should enable seamless transactions and interactions with smart contracts. Key skills and Experience: The ideal freelancer for this project should have: - Profound knowledge of the Ethereum blockchain, Web3, and solidity. - Prior experience in developing and integrating cryptocurrency wallets. - Proficiency in working with smart contracts. This project offers an excellent opportunity to develop and showcase your skills in the rapidly growing field of blockchain and cryptocurrency. With your expertise and creativity, we can create an innovative platform that stands out in the digi...

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    There are 4 EVM solidity smart contracts I need someone who can audit these in 3 hours If you read this, write a proposal with "audit" The budget is $30 for every contracts There is also over 10 contracts that needs to audit after this work. Let me know Will give 5 star good review

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    ...create unique assets to be added to the marketplace. - Credit card payment feature, facilitating easy purchases (Mercado Libre integration for latam is a plus). - Custody of NFT to stay within user accounts till transferred to personal wallets. We aspire towards a minimalistic and clean user interface to cater to ease of navigation (We have some designs allredy made) and clarity. If you're a solidity developer familiar with these features and have a knack for creating user-friendly platforms, we want to hear from you! Prior work with NFTs and blockchain technology will be advantageous. We require the flexibility for multi-client usage, necessitating the incorporation of a customizable backoffice. This backoffice should empower administrators to configure images, colors, an...

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    I'm seeking a proficient smart contract developer who specializes in proxy contracts and has hands-on experience with the Foundry development...seeking a proficient smart contract developer who specializes in proxy contracts and has hands-on experience with the Foundry development tool. Your main tasks will include: Briefly explaining the codebase and key concepts of the protocol. Assisting in customizing the codebase to suit specific needs. Providing guidance on deployment and ensuring smooth integration. Requirements: Proficiency in Solidity and smart contract development. Experience with proxy contracts and familiarity with Foundry development tools. Ability to effectively communicate complex concepts and provide clear guidance. Demonstrated portfolio of previous smart con...

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    I'm launching an ambitious project in the burgeoning digital assets space and am on the hunt for a skilled blockchain developer with expertise in smart contract and ERC721 token development. This initiative is geared towards utilizing blockchain for the categorization and trading of unique digital products. **Essential Skills & Experience:** - Proficient in Solidity and smart contract development - Experience with ERC721 tokens or similar NFT standards - Familiarity with blockchain development tools and environments - Capability to work with existing visual concepts and product plans - Strong understanding of blockchain security practices - Good communication skills and ability to follow specific design vision **Project Requirements:** - Development of ERC721 token smar...

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    I am looking to develop a decentralized finance (DeFi) application focused on a lending and borrowing platform using Ethereum blockchain technology. This project aims to leverage the security, transparency, and efficiency of Ethereum to create a user-friendly lending and borrowing environment. ### Ideal Skills and Experience: - Proficient in Solidity and smart contract development. - Extensive experience with Ethereum blockchain. - Knowledgeable in DeFi protocols and lending/borrowing mechanisms. - Strong understanding of blockchain security practices. - Experienced in DApp frontend and backend development. ### Project Requirements: - **Smart Contracts:** Develop and deploy secure smart contracts for lending and borrowing activities. - **Protocol Design:** Design a protocol that...

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    I'm seeking a skilled web3 + blockchain developer who specializes in web3, ethereum development to bring my decentralized application (DApp) concept to life. This DApp is focused on enabling secure and seamless peer-to-peer information exchange within an innovative platform. Here's what I need from the freelancer who will undertake this project: **Key Requirements:** - Proficiency in Solidity programming for creating and managing smart contracts. - Experience in developing DApps on the Ethereum platform. - Strong understanding of peer-to-peer systems within a blockchain context. - Ability to integrate user authentication measures to ensure transaction security. **Project Goals:** - Develop robust web3 Ethereum smart contracts as the foundation of the DApp. - Implement a...

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    Solana Development with Rust Đã kết thúc left

    Please note: This is self-funded project and thus, the budget is fixed. Apply only if you are able to delivery a q...may be some minor adjustments. This would ne very minor and you will be part of discussion at every step to understand why the change is required. You will have your voice to put your thoughts, and would be considered with hull honesty. Passionate about the project success. What we expect to have in your proposal : 1. Demostrated skills of your past work SPECIFICALLY on SOLANA chain. EVM and Solidity works will not be considered. 2. A detailed plan of execution explaining why you are the perfect fit for this role. Explain in a document how you will execute the project (contracts + front-end). 3. Stackoverflow / Github or any other links will add a big plus. Than...

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    ...scripts are as follows: 1. **Initial Coin Offer (ICO) Web3 - ENVO DApp & Solidity Contract:** [Link to script]() 2. **Initial Coin Offer (ICO) Web3 - ICONAV DApp & Solidity Contract:** [Link to script]() 3. **Staking Nova Web3 - React & Solidity:** [Link to script]() 4. **Staking Elixir Web3 with Referral System - React & Solidity:** [Link to script]() **Requirements:** - Install the scripts on my hosting platform

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    We're looking for a Web3/Smart Contract Developer who has experience in developing smart contracts(ERC20) and integrate them into websites. You need to have extensive knowledge in areas, including but not limited to smart contracts, NFT, Oracle, Auction contracts, Solidity, React, API integrations(Stripe and more), etc. It's a greenfield project that you need to build everything from scratch including smart contract, web platform. We also expect you to contribute to wring the white paper from a technical view point. We need you to sync up with us frequently in an Agile approach, so prefer someone who had worked in team environments and is a fast communicator. Please apply with your portfolio with similar projects(auction NFT, real estates). Please do NOT include links that...

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    I'm on the hunt for a highly skilled developer who can come aboard to create a Flashloan MEV Sandwich Bot. I have a basic understanding of it, but I'm relying on a proficient developer to bring this project to life. Ideal candidates will have experience with Javascript, Solidity and Rust as these are the preferred technologies for this project. I will provide the main code, what needs to be done are following functionalities. Key Project Specifications: 1. Calculate gas costs. 2. Estimate the next base fee. 3. Calculate amounts out locally. 4. Use multiple block builders besides flashbots. 5. Reduce gas costs by using an assembly yul contract. 6. Use multiple cores from your computer to improve performance. 7. Calculate the transaction array for type 0 and type 2 transac...

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    As a stakeholder in a cryptocurrency project, I am in need of an expert with a combination of Python, JavaScript, and Solidity skills. Your mission, should you choose to accept it, will be to: 1. Create a specific Git Repository. 2. Exemplify proficiency in using: - Python - JavaScript - Solidity for the creation of an all-inclusive Crypto Decentralized Exchange (DEX). 3. Implement the following features: - Trading pairs - Order book - Trading charts 4. Ensure heightened security through: - Implementation of two-factor authentication - Implementation of encryption protocols for user data Previous experience in smart contract development and a comprehensive understanding of cryptographic algorithms is highly regarded. Hav...

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    Polygon Web3 Fullstake Dev Đã kết thúc left

    ...protocols and technologies such as Ethereum, Polygon, or others as needed. Conduct code reviews, troubleshoot, and optimize existing systems for improved efficiency. Qualifications: Proven experience as a Full Stack Developer with a focus on Web3 technologies. Solid understanding of blockchain concepts, decentralized applications, and smart contracts. Proficiency in programming languages such as Solidity, JavaScript, and frameworks like React or Angular. Experience with various blockchain networks and tools (Ethereum, Binance Smart Chain, etc.). Familiarity with IPFS, decentralized storage, and related technologies. Strong problem-solving skills and the ability to work in a collaborative team environment. Excellent communication skills to effectively convey technical concepts ...

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    Secure DApp Blockchain Creation Đã kết thúc left

    I'm seeking a talented developer to create a blockchain software focusing on flash transactions for research ...Bitcoin and others. **Ideal Skills and Experience:** - Expertise in blockchain development, especially in creating smart contracts and DApps. - Experience with multiple blockchain environments, including Bitcoin and other prominent platforms. - Strong understanding of cryptographic principles and secure coding practices. - Proficiency in one or more blockchain programming languages, such as Solidity or similar. - Ability to implement best practices for software security and documentation. With your knowledge and experience, we can build a groundbreaking solution that stands out for its security and functionality. Please include examples of past blockchain projects...

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