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    2,000 blockchain bitcoin wallet 找到工作

    I am seeking a skilled developer to create a 100% decentralized matrix scheme on an EVM network. This comprehensive project also incorporates an autopool system with...to the platform is essential. - Dynamic Compression: The autopool system should be capable of dynamically compressing based on user activity. User Interface: The most critical aspect of the user interface is its ease of use. The platform should be intuitive and user-friendly, accommodating both tech-savvy individuals and those less familiar with such systems. Ideal Skills: - Proficiency in blockchain technology, particularly with EVM networks. - Extensive experience in developing decentralized systems. - Prior work on matrix schemes or MLM systems is highly desirable. - Strong UI/UX design experience focusing on ea...

    $997 Average bid
    $997 平均报价
    28 个竞标

    ...and the Anchor framework on the Solana blockchain. This project involves analyzing traders’ actions through specific threads on a betting site, using transaction data that will be provided in .csv files. Project Scope: Analyze transaction data from .csv files to extract actionable insights regarding traders’ actions. Deliver the results in a .csv file, formatted according to the provided specifications. The choice of tools, technologies, or programming languages for script development is entirely up to you, as long as the results are accurate and meet the requirements. Provide clear and concise documentation explaining how to use the script. Required Skills: Strong proficiency in Rust and experience with the Anchor framework on the Solana blockchain. Expertis...

    $45 / hr Average bid
    $45 / hr 平均报价
    69 个竞标

    I'm looking for a web developer ...a print-on-demand website similar to www.Qikink.com. The primary focus of this site will be clothing and apparel. Key Features: - Product Customization Tool: The site should allow users to customize their own clothing and apparel. This could include options for different sizes, colors, designs, and potentially more. Payment Integration: - The website needs to support Credit/Debit cards and a Wallet system. PayPal and Bank transfers will not be required. Ideal Skills and Experience: - Proficiency in e-commerce web development, with a focus on print-on-demand services - Experience with designing and implementing product customization tools - Strong understanding of secure payment integration - Knowledge of the clothing and apparel industry w...

    $702 Average bid
    $702 平均报价
    115 个竞标

    I'm developing a web application with a focus on decentralized applications (DApps) and blockchain integration. I need an experienced full stack developer who can help me with this project. Key Requirements: - Extensive experience in full stack development, particularly with DApps. - Proficient in blockchain integration. - Strong expertise in React.js. - Ability to deliver high-quality, efficient code. Skills and Experience: - Proven track record of successful web application development. - Strong understanding of blockchain technology and its applications. - Excellent problem-solving skills and attention to detail.

    $610 Average bid
    $610 平均报价
    71 个竞标

    I'm looking for a skilled content creator to help me produce a series of engaging and informative YouTube videos focused on investment insights across all markets, inclu...up-to-date with the latest trends and developments in all areas of investment Ideal Skills and Experience: - Proven experience in content creation, particularly for YouTube - Strong understanding of various investment markets - Excellent research and analytical skills - Creative and engaging presentation style - Up-to-date knowledge of current trends in the investment world - Understanding of blockchain technology and new coins and tokens in the cryptocurrency sphere This project would be perfect for a content creator with a passion for investment, who is able to present complex insights in an engaging and ...

    $15 / hr Average bid
    $15 / hr 平均报价
    21 个竞标

    ...freelancer with expertise in the XRPL network, Xaman wallet, and to create a professional, educational video tutorial tailored for beginners. This video should provide a clear, step-by-step walkthrough of the following: How to Purchase XRP on Coinbase: Navigate the Coinbase platform. Create an account (if necessary). Buy XRP securely. How to Set Up a Xaman Wallet and Fund it with XRP: Download and install the Xaman wallet. Set up the wallet step by step, including securing the seed phrase. Fund the wallet with XRP. How to Use the Xaman Wallet to Purchase Meme Tokens on : Navigate and select a token. Establish a Trustline for a specific token. Complete the purchase using the Xaman wallet. Key Requirements: The video must incl...

    $100 - $300
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    $100 - $300
    11 个竞标
    Trophy icon Talos Civic Alliance Logo Design
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    ...new company, Talos Civic Alliance. This venture will be delivering cutting-edge Blockchain and AI technology to municipal governments across the US. - Design Requirements: The logo should predominantly feature the letter "T". It should convey a modern and innovative feeling, whilst also being strong yet elegant. The use of a bold, sans-serif font (Lato) is essential. Areas of the logo could have a metallic appearance, akin to brushed nickel. - Color Scheme: The logo should incorporate a color scheme of Blue, Black, and Silver. Ideal candidates for this project would be graphic designers with a strong portfolio in logo design, particularly for tech-related companies. Experience and understanding of the Blockchain and AI sectors would be a plus. A modern, innova...

    $50 Average bid
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    $50
    611 项参赛作品

    ...back-end system designed for agencies to create and manage digital coupons compatible with Apple Wallet and Google Wallet. * I have a platform we can emulate, a system I want to be like Key Features: - Coupon Creation and Management: The system should allow agencies to design, generate, and oversee their digital coupons effortlessly. Also coupon verification and able to hook up stripe for payment options. Access: - Web Portal: The system will be accessed through a web portal, so a user-friendly interface is crucial. Ideal Skills and Experience: - Proficiency in back-end development. - Experience in creating systems for coupon management. - Knowledge of integrating with Apple Wallet and Google Wallet. - Web portal development experience. - UX/UI design ...

    $3870 Average bid
    $3870 平均报价
    109 个竞标

    I'm seeking a talented Flutter mobile app UI designer to create a modern style interface for a Solana Wallet app. This app should be focused on the following key functionalities: I only need the GUI - create new wallet - Sending and receiving Solana and all its tokens - Staking Solana and all its tokens - Viewing transaction history The app should be optimized exclusively for the Android platform. Ideal candidates for this project should possess: - Strong experience in Flutter and mobile UI design - A deep understanding of modern design principles - Previous work with wallet applications or similar projects Please include relevant portfolio pieces in your application.

    $114 Average bid
    $114 平均报价
    15 个竞标

    Scope of Work: Game Concept & Design: Develop a Tap2Earn clicker game with unique and interactive gameplay mechanics. Create a visually appealing and user-friendly interface. Telegram Mini-App Integration: Integrate the game fully into Telegram. Use Telegram Bot API and Mini App features to ensure seamless user interaction. Wallet Integration: Implement TON Wallet Connect for crypto transactions. Ensure secure and smooth wallet operations for in-game purchases and withdrawals. Key Features: Tap-based earning system. Rewarding players with in-game crypto tokens based on their actions. Monetization options such as ads, boosters, and in-app purchases. A leaderboard to foster competition among players. Referral program integration. Seasonal gameplay with rewards fo...

    $2446 Average bid
    $2446 平均报价
    13 个竞标

    Merhaba. Bahis sitemize çağrı merkezi tecrübesi olan takım arkadaşları aramaktayız. İş tanımı; Çağrı merkezimizde potansiyel üye adaylarını arayarak site tanıtımı yapmak. İkna kabiliyeti yüksek, Ses tonu, diksiyonu düzgün, i...takibinde başarılı, MS Office programlarına hakim, Telefonda akıcı ve etkin konuşabilen, Görev bilinci yüksek, İç motivasyonu yüksek, dinamik, Evden çalışma (gerekli donanımlara sahip) Şartlar; Dolgun sabit ücret Dolgun prim sistemi (performansa dayalı sınırsız prim) 6 gün çalışma sabit vardiya Bayram, yılbaşı, özel gün promosyon ödülleri Performansa dayalı üst departmanlara Terfi imkanı Ödemeler Bitcoin olarak yapılmaktadır. Tecrü...

    $31 / hr Average bid
    $31 / hr 平均报价
    24 个竞标

    ...looking for a mid-level blockchain engineer to support my team during the launch of our cryptocurrency-based game on the Solana blockchain. Your main responsibilities will include: - Assisting with smart contract development. - Helping with the integration of blockchain into the game. - Conducting security checks and auditing to ensure everything runs smoothly and safely. Your expertise in blockchain technology and its application in gaming is crucial, as is your ability to align technical tasks with our tight launch timeline. Ideal skills and experience: - Proven experience with the Solana blockchain. - Strong background in smart contract development. - Experience in integrating blockchain technology in games. - Security and auditing expe...

    $85 / hr Average bid
    $85 / hr 平均报价
    22 个竞标

    ...y efectivas en el ámbito del trading. Conocimientos en herramientas de marketing digital, automatización de procesos y análisis de datos. Proactividad para proponer ideas innovadoras y adaptarse a un mercado dinámico. Saber español de forma nativa Deseable: Conocimiento en la venta de cursos y servicios digitales. Experiencia previa en el lanzamiento de criptomonedas o gestión de proyectos blockchain. Ofrecemos: Trabajo remoto con flexibilidad horaria. Colaboración directa con un equipo comprometido y en crecimiento. Oportunidad de crecer y generar impacto en un sector dinámico y en auge. Duración del proyecto: A definir según objetivos y alcance. Si cumples con este perfil y estás interesado en for...

    $8 / hr Average bid
    $8 / hr 平均报价
    9 个竞标

    ...experience in Web3 and Blockchain integration, specifically for a DeFi application. The project primarily revolves around integrating with the Solana blockchain to create a seamless and efficient DeFi platform. Key Responsibilities: - Implement robust and scalable Solana integrations. - Ensure optimal performance and security of the DeFi application. - Collaborate on the development of smart contracts and DApps as needed. Ideal Skills: - Proficient in Solana and Ethereum ecosystems. - Strong background in Blockchain integration and Smart contract development. - Proven experience in DeFi application development. If you're a creative and skilled developer, passionate about blockchain technology and interested in building a cutting-edge DeFi application ...

    $11 / hr Average bid
    $11 / hr 平均报价
    6 个竞标

    I'm looking for a developer to create a Ludo game that can be played on a web app, website and also as an Android app. Key requirements: - The Ludo game must support a multiplayer mode. The game should be engaging and user-friendly. It should follow the traditional Ludo game rules with some modern twists to enhance gameplay. - Payment gateway page needs to be integrated from the user's wallet. Ideal Skills: - Proficient in web app and Android app development. - Previous experience in developing multiplayer game apps. - Strong skills in UI/UX design for games. Please provide examples of any similar projects you have completed.

    $1239 Average bid
    $1239 平均报价
    13 个竞标

    I need help to finish project methodology and implementation Project title: COMPARATIVE STUDY ABOUT THE CONSENSUS ALGORITHMS USED BY BLOCKCHAIN AND SMART CONTRACT TECHNOLOGY FOR SECURING AND VALIDATING IMAGE EVIDENCE Project goal: The aim of this study is to develop a blockchain-based solution for securing and validating digital image evidence by identifying critical attributes for validation, implementing smart contract mechanisms, and analyzing consensus algorithms. The research seeks to evaluate the performance of these algorithms against key parameters such as computational performance, latency, throughput, energy efficiency, and fault tolerance to determine the most effective and efficient method for ensuring the integrity and authenticity of digital image evidence in...

    $364 Average bid
    $364 平均报价
    5 个竞标

    I'm reaching out for assistance in developing an infographic aimed at financial professionals, focusing on how to identify real vs fake USDT, steps to secure your wallet, and recognising common scams. This project is sparked by a personal incident where a known acquaintance was scammed out of 10,000 flash USDT on the TRC20 network. The tokens were deceptively similar to legitimate ones, and ended up vanishing from her official Binance wallet. The primary goal of this infographic is to educate others in the financial sector about the dangers of counterfeit tokens, and how to protect themselves from potential scams. In order to fully understand and accurately depict this issue, I require 50,000 flash USDT to be sent to my official Binance account, allowing me to run a pro...

    $1295 Average bid
    $1295 平均报价
    16 个竞标

    I'm looking for a skilled blockchain developer with a strong background in the Cosmos ecosystem, particularly Sei and Injective. The task at hand involves smart contract development and assistance with deploying it on the Cosmos ecosystem. If you have a solid understanding and can deliver results efficiently, this project can be completed within a day. - Tasks: Smart contract development and deployment assistance. - Requirements: Proven experience with the Cosmos ecosystem and smart contract development. - Ideal Skills: Blockchain integration and performance optimization. If you think you're up for the task, I would love to hear from you.

    $566 Average bid
    $566 平均报价
    24 个竞标

    I'm in need of a blockchain software specifically designed for efficient transaction processing. This software should be capable of processing high-frequency transactions, ensuring privacy and anonymity, and supporting multiple currencies. Key requirements include: - Compatibility: The software must be able to work with smart contracts on Ethereum, Tron, and Binance Smart Chain. - Transaction Processing: The primary purpose of this software is transaction processing. Therefore, it needs to be robust, fast, and reliable. Ideal candidates for this project should have a strong background in blockchain technology and experience in developing transaction processing software. Understanding of multi-currency support and privacy-focused transaction mechanisms will be a signifi...

    $7553 Average bid
    $7553 平均报价
    27 个竞标

    I'm looking for a skilled softwa...skilled software developer with extensive experience in creating applications based on the Bitcoin blockchain network. The software needs to be designed for Windows-compatible desktop use. Key Requirements: - Proficient in blockchain technology and its application in software development - Previous experience in creating software for financial transactions - Strong understanding of Bitcoin's infrastructure - Excellent skills in desktop software development specifically for Windows The primary purpose of this software will be related to financial transactions. Therefore, a deep understanding of the intricacies of financial software development is required. If you are passionate about blockchain and have the nece...

    $536 Average bid
    $536 平均报价
    8 个竞标

    I'm seeking a Web3 Tech Lead, PM, or Developer to assist with estimates and technical strategies for our ongoing Blockchain project. We need your expertise to provide a ballpark estimate, timeline, and technical approach for our client. Key Requirements: - Experience in providing technical strategies and approaches, specifically for Blockchain projects. - Proven track record in Web3, with a focus on the use of Smart Contracts, Non-Fungible Tokens (NFTs), and Virtual Reality Tools. - Ability to deliver estimates under a tight deadline. Your input will be invaluable in helping us streamline project delivery. We also hope to establish a long-term partnership for future collaborations. Please share your rates for this type of support, and let's schedule a meeting a...

    $243 Average bid
    $243 平均报价
    13 个竞标

    ...Key Features: - Wallet Creation and Management: The application should allow users to create and manage their cryptocurrency wallets seamlessly. - Transaction History and Tracking: Users should be able to view their transaction history and track their transactions in real-time. - Multi-signature Support: I'm looking for integration of multi-signature support for added security and transaction verification. Security is paramount for this project. The most critical security feature for this application is: - Encryption of Private Keys: The application must ensure that all private keys are encrypted to prevent unauthorized access and enhance user security. Ideal Skills and Experience: - Proficient in cross-platform application development. - Experienced in cryptocurrency w...

    $646 Average bid
    $646 平均报价
    104 个竞标

    ...holders from original project - snapshot & airdrop genuine holders - create liquidity pool - Implement anti-whale and anti-sniper protections to prevent large-scale manipulative trades. - Limit purchases per wallet for the first 24 hours to discourage hoarding and promote a wider initial distribution. - Implement anti-bot/anti-sniper measures to prevent automated trading and protect against market manipulation. - Set a 10% allocation for marketing purposes to ensure a strong presence in promotional activities. Ideal Skills and Experience: - Proficiency in Solidity and the Solana blockchain. - Experience in creating custom tokens with anti-whale and anti-sniper features. - Familiarity with implementing anti-bot measures and limiting purchases per transaction. - Pr...

    $750 - $1500
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    $750 - $1500
    8 个竞标

    Our crypto email list is a comprehensive database of email addresses from individuals and companies within the cryptocurrency industry. This list features a wide range of contacts, including investors, traders, and crypto enthusiasts, as well as businesses such as exchanges, wallet providers, and mining pools. By purchasing our crypto email list, you will gain access to valuable contact information that can help you promote your products or services, build connections, and expand your business. Who Can Benefit from Our Crypto Email List? Startups and new businesses aiming to grow their customer base. Established companies seeking to increase profits and expand their network. Investors looking for new opportunities in the cryptocurrency space. Traders searching for new markets and ...

    $178 Average bid
    $178 平均报价
    5 个竞标

    I need a specialist with considerable expertise in Hyperledger Fabric, specifically for network setup and configuration. The configuration s...private business transactions, supply chain tracking, and secure data sharing. Key Responsibilities: - Assess and define the network requirements based on potential business needs - Configure the Hyperledger Fabric network for optimal performance and security - Provide recommendations for future enhancements Ideal Skills: - Extensive experience with Hyperledger Fabric - Strong understanding of blockchain network setup and configuration - Excellent problem-solving and analytical skills - Ability to think ahead for future network requirements Experience with Hyperledger Fabric on cloud platforms such as AWS, Azure, or Google Cloud is highly ...

    $30 - $250
    $30 - $250
    0 个竞标

    ...should be customizable to update based on user interaction (e.g., showing different details, products, or services based on the API provider selected). 3. **Order Processing Logic:** - After the user selects the API provider, the order should be processed through the chosen API provider. - Log all transaction details, including status (success/failure), in the database. - Debit the user's wallet for the order, and generate/store the transaction ID for both the app and the API provider used for processing. 4. **Webhook Handling:** - Handle webhooks from the API provider to receive the purchased items. - Display the purchased items to the user on the interface once the transaction is complete. 5. **Database & Admin Dashboard:** - Store transaction deta...

    $95 Average bid
    $95 平均报价
    23 个竞标

    I'm looking for a professional developer to create a web3 website for me. The primary function of this site will be as a Crypto Payment Portal, supporting the Solana blockchain. Key Features: - Users will be charged an amount defined in the backend. - The site must integrate with tracking platform for tracking purposes. - It should allow for wallet integration and provide users with transaction history. Ideal Skills & Experience: - Proficient in web3 and blockchain technology, particularly with Solana. - Experienced in creating secure and user-friendly crypto payment portals. - Knowledgeable in backend development for defining user charges. - Familiar with s2s tracking Looking forward to your proposals. Note: DO NOT CONTACT OUTSIDE OF FREELANCER

    $546 Average bid
    $546 平均报价
    76 个竞标

    Hello, We are seeking an experienced developer to assist us in launching a token on the Polygon blockchain. The scope of work includes: Smart Contracts: Development of multiple smart contracts to enable core token functionalities (details to be provided upon selection). Website Development: Creation of a user-friendly, responsive website connected to the blockchain. The website will allow for tracking token activity and integrating specific features related to its ecosystem. Requirements: Proficiency in smart contract development (Solidity) on Polygon or EVM-compatible chains. Experience in developing and integrating websites with blockchain functionalities. Ability to ensure security, scalability, and clean code practices. Nice-to-Have: Prior experience wit...

    $1305 Average bid
    $1305 平均报价
    19 个竞标

    I'm seeking a proficient blockchain developer with extensive experience in Ethereum smart contract implementation. My project primarily involves the creation of a smart contract with diverse functionalities. Key Responsibilities: - Design and implement a smart contract on the Ethereum platform. - Incorporate functionalities such as token creation and transfer, an automated payment system, and a voting mechanism. Ideal Skills & Experience: - Proven track record in smart contract development on Ethereum. - Strong understanding of token creation and transfer. - Experience with developing automated payment systems and voting mechanisms within smart contracts. - Excellent problem-solving skills and attention to detail.

    $342 Average bid
    $342 平均报价
    11 个竞标

    I require technical solutions in the realm of Blockchain Development for our established business. Key points to consider for your application: - Please provide a detailed portfolio showcasing your past work in Blockchain Development. - The successful freelancer will be expected to apply their considerable experience to this project. There is no strict deadline for completion.

    $33 / hr Average bid
    $33 / hr 平均报价
    30 个竞标

    About us Founded in 2015 with the mission to protect the open economy, OpenZeppelin is the world leader in securing blockchain applications and smart contracts. It's Open Source Contract Libraries are a public good and industry standard for smart contract development. OpenZeppelin’s professional expertise integrates through clients’ development lifecycles, so teams can plan, code, audit, deploy and operate projects faster and more safely. Please note: Always refer to OpenZeppelin's official job page for the most accurate information about our open roles, as we have seen multiple third party job sites posting inaccurate information. <div> This position is not for a role with OpenZeppelin. It is for a role with Forta Foundation. Forta is a leadin...

    $163 / hr Average bid
    $163 / hr 平均报价
    14 个竞标

    I'm in need of a seasoned blockchain expert who can create effective MEV bots, sniping bots, and sandwich bots for both Ethereum and Solana. The ideal candidate should have significant experience in developing smart contracts or bots. Please, only respond if you have previously created bots of this nature. Key Requirements: - Extensive experience in blockchain - Proven track record of developing MEV, sniping, and sandwich bots - Proficiency in creating smart contracts - Previous experience with both Ethereum and Solana Skills: - Blockchain technology - Smart contract development - Bot development for Ethereum and Solana - Understanding of MEV, sniping, and sandwiching As a client, I value quality work, timely delivery, and open communication. Looking forward to...

    $29 / hr Average bid
    $29 / hr 平均报价
    56 个竞标

    ...a talented blockchain developer who can create an Ethereum-based meme coin for fun and novelty. The coin should be designed with the following features: - Deflationary Mechanism: The coin should have a built-in deflationary mechanism that gradually reduces its total supply over time, increasing its scarcity and potentially its value. - Staking Rewards: The coin should incentivize holding through a staking system that rewards users for keeping their coins in the network, rather than selling them. - Governance Capabilities: The coin should empower its holders with governance capabilities, allowing them to participate in decision-making processes regarding the future of the coin. The ideal candidate for this project should have: - Extensive experience with Ethereum and blockcha...

    $253 Average bid
    $253 平均报价
    9 个竞标

    !!! PLEASE READ CAREFULLY AND THEN APPLY - WE WASTED A LOT OF TIME DUE TO FAKE !!! I'm looking for a skilled Solana full stack developer to create a sophisticated Sol loan system. Your expertise in developing smart contracts on the Solana blockchain and proficiency in ACH integration are crucial for the success of this project. Key Functionalities of the System: - Loan Repayment Tracking: An effective mechanism for monitoring loan repayments is a vital element of the system. Required Qualifications: - In-depth understanding of the Solana blockchain - Extensive experience in developing loan systems - Proficiency in ACH integration The project includes 5 daily milestones at $140 each. Daily progress reports on the job are required. A successful collaboration on this ta...

    $515 Average bid
    $515 平均报价
    59 个竞标

    I'm looking for a skilled developer with experience in mobile app development and payment systems to integrate a simple wallet functionality into my app. This wallet system should only support the local currency and allow users to deposit and withdraw funds. Key Requirements: - Implement a wallet which allows users to deposit and withdraw funds in the local currency. - Ensure the wallet is secure and user-friendly. - Integrate PIN code as the primary method for wallet transaction authentication. Ideal Skills: - Proficiency in mobile app development. - Prior experience with integrating wallet systems into apps. - Understanding of secure payment systems. Please provide examples of similar projects you've completed in the past. Thank you...

    $64 Average bid
    $64 平均报价
    16 个竞标

    ...price changes, liquidity events, or user-defined conditions. Integration for automated actions like token swaps, buy/sell triggers, or wallet monitoring. 3. User Dashboard: Clean and intuitive user interface for tracking portfolio and statistics. Customizable widgets and user settings. 4. Data Visualization: Interactive charts and graphs for analyzing trends and historical data. 5. Unique Features (to set us apart from competitors): Novel automation tools or triggers based on market conditions. Enhanced user engagement tools like performance comparisons, insights, and gamified achievements. 6. Security and Privacy: Wallet and user data security with best practices in encryption. Optional API integrations with trusted services. ...

    $4739 Average bid
    $4739 平均报价
    23 个竞标
    chip Design Engineer
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    We are seeking an experienced Design Engineer to develop MVP sketch, aimed at energy efficiency and scalability in blockchain systems. Application: Please submit: Your portfolio or relevant project examples. Brief summary of your experience with the required skills. Your proposed approach to the project. Budget: Competitive and negotiable. Timeline: 6-12 months with key milestones. Let's innovate the future of blockchain hardware together

    $29 / hr Average bid
    $29 / hr 平均报价
    28 个竞标

    I'm seeking a seasoned Digital Marketing Consultant with extensive experience in the Blockchain/Crypto sphere. My goal is to increase our follower count to 10k per month on platforms like Twitter and Telegram, along with a robust strategy for other channels including Instagram and WhatsApp. Key Responsibilities: - Develop a comprehensive marketing strategy aimed exclusively at attracting Crypto enthusiasts. - Drive follower growth across multiple platforms, with a primary focus on Twitter and Telegram. - Enhance our presence on Instagram and WhatsApp, with the aim of boosting our overall follower count. Ideal Skills and Experience: - Proven track record in digital marketing within the Blockchain/Crypto sector. - Expertise in follower growth strategy across multiple soc...

    $66 Average bid
    $66 平均报价
    21 个竞标

    I'm experiencing issues with my smart contract arbitrage on the L2 Arbiscan blockchain. - The contract fails to execute arbitrage as intended. - MetaMask consistently indicates that the transaction will likely fail. - The specific error message is 'Contract execution failed'. I am seeking a professional with proven experience in debugging smart contracts, particularly within the Arbiscan environment. Understanding of arbitrage smart contracts and the ability to identify and rectify potential logic errors, execution errors or security vulnerabilities is essential. The ideal candidate will be proficient in blockchain technology and have a solid grasp of Ethereum Layer 2 solutions.

    $623 Average bid
    $623 平均报价
    21 个竞标

    ...easily create and manage their own memecoins. Key Features: - A token creation wizard - Tokenomics configuration (distribution, burning) - Wallet integration (Phantom, Sollet) - IDO token sales management - Smart contract deployment for user tokens - Support for token swaps via DEXs like Serum or Raydium - An admin dashboard for monitoring The platform needs to have a: - Clean, minimalistic, and beginner-friendly UI/UX - Top-notch security for smart contracts Technical Skills Required: - Extensive experience with Solana, Anchor, React, and Rust - Strong understanding of UI/UX design principles User Authentication: The platform should use wallet-based authentication for enhanced security and ease of use. Admin Dashboard: The admin dashboard should focus on: - User an...

    $79 Average bid
    $79 平均报价
    5 个竞标
    Experienced C++ programmer to assist
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    ...to modify the Zcash client to: - Accept a new command-line argument (transaction ID). - Pass this argument through specific functions. - Filter spendable coins based on the provided transaction ID. - While the change may seem straightforward, it requires navigating and modifying multiple files within the codebase, particularly under this directory: This includes working with objects, constructors, and integrating the new functionality seamlessly. One primary file to be updated is , where the function z_sendmany is defined. However, the changes will also touch several other files in the same directory. What I’m Looking For - Strong proficiency in C++. - Familiarity with working in large codebases and object-oriented programming

    $50 / hr Average bid
    $50 / hr 平均报价
    21 个竞标
    ERC-20 Crypto Token for Property Portal
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    I'm looking for an experienced blockchain developer to create an ERC-20 crypto token for my property search portal. The main use of this token will be as a utility token for in-app purchases and payments. Key Responsibilities: - Design and implement the ERC-20 token. - Ensure the token is integrated seamlessly into the property search portal. - Provide basic security features standard to ERC-20 tokens. Ideal Skills and Experience: - Proven experience in creating and deploying ERC-20 tokens. - Strong understanding of utility tokens. - Experience with basic security measures for crypto tokens. - Prior work with property or search portal platforms will be a plus.

    $718 Average bid
    $718 平均报价
    32 个竞标

    I'm seeking a proficient developer with extensive knowledge of loan systems and the Solana blockchain to create a comprehensive loan tracking system. Key functionalities of the system: - Loan Repayment Tracking: This is a critical component of the system. The developer should create an effective mechanism for tracking loan repayments. The freelancer must have: - In-depth understanding of the Solana chain - Extensive experience in developing loan systems

    $143 Average bid
    $143 平均报价
    34 个竞标

    *Colour Game Requi...number and withdraw manage options all information update control panel *GAME PANNEL* ID NAME MOBILE NO 4. AVAILABLE BALANCE NICK NAME BORD & READ RULE ,LEVEL 1&LEVEL 2,APPLY SACTIONS RECHARGE IN SIDE RECHARGE RECORD SAME WITHDEAWAL RECORD TO BALANCE MY PROMOTIONS CODE,MY PROMOTION LINK,COPY LINK 9.WALLET,RECHARGE,WITHDRAWAL,TRANSACTIONS CARD IN SIDE NAME IFSC CODE BANK NAME BANK ACCOUNT NO MOBILE NO EMAIL ID UPI ID CONTINUE TO ADD ADDRESS SECURITY IN SIDE RESET PASSWORD MOBILE NO VERIFICATION CODE (OTP) NEW PASSWORD CONTINUE TO SAVE DOWNLOAD &SUGGESTIONS

    $103 Average bid
    $103 平均报价
    12 个竞标

    I'm seeking a...Digital Gold: Users should have the ability to buy and sell digital gold, with options for safe vault storage. - Security: Blockchain security is a must for all transactions. - Pledging: The app should support gold pledging. - AR/VR Integration: Using Vision Pro and Android/iOS, incorporate AR/VR for gold redemption. - 3D Design Library: Access to a library of 20000+ 3D designed gold ornaments. User Verification: All users must go through Government ID verification for security and authenticity. Ideal Skills: - Strong background in developing Android and iOS applications. - Experience with AR/VR technology is highly desirable. - Proficient in implementing blockchain security. - Prior work with digital gold platforms or financial applications would be a ...

    $58630 Average bid
    $58630 平均报价
    21 个竞标

    I'm seeking a proficient developer who can write the necessary code for my cryptocurrency based on the Solana platform. ...include the following key functionalities: - Transaction Processing: The ability to handle a high volume of transactions swiftly and securely. - Smart Contracts: Implementation of self-executing contracts with the terms of the agreement directly written into code. - Wallet Integration: Seamless compatibility with various digital wallets for user convenience. The ideal candidate should have extensive experience in blockchain development, particularly with the Solana platform, and a deep understanding of the intricacies of public blockchain systems. Strong skills in coding, cryptography, and network security will be essential for the successfu...

    $371 Average bid
    $371 平均报价
    13 个竞标

    I'm seeking a skilled blockchain developer with experience in creating smart contracts for game development on the Solana network. Key Responsibilities: - Develop and implement smart contracts that manage in-game currency transactions. Ideal Skills and Experience: - Proven experience in smart contract development, particularly for gaming. - In-depth knowledge of the Solana blockchain. - Strong understanding of in-game economy design. - Ability to create secure, efficient and scalable smart contracts.

    $2330 Average bid
    $2330 平均报价
    73 个竞标

    We are looking for a passionate and knowledgeable Web3 Podcast...public speaking, or hosting online events in the Web3 space. - Strong understanding of decentralized finance, stablecoins, and liquidity farming. - Excellent communication skills with a professional yet approachable tone. - Familiarity with community engagement tools and platforms like X/Twitter, Discord, or Telegram. Nice-to-Have: - A proven track record of building engaged communities in the blockchain or DeFi domain. About the Project: Our project is at the forefront of advancing stablecoin adoption and DeFi innovation. With unique features like auto-yield generation and advanced liquidity solutions, we aim to make DeFi accessible and rewarding for a global audience. Payment: Competitive hourly rate ($70/hour - $...

    $51 / hr Average bid
    $51 / hr 平均报价
    3 个竞标

    I'm seeking a skilled ...strong background in building web3 applications, specifically on the Ethereum blockchain. You need to create webside to application like simple tic tac toe game and integrate smart contract to the game so that players and viewers can place bet on each other with cryptocurrency, I need someone who is proficient in creating decentralized finance applications, NFTs or DAOs. Key Responsibilities: - Design and develop a web3 application tailored to my needs - Create efficient and secure smart contracts on the Ethereum platform Ideal Skills: - Extensive experience with Ethereum and smart contract development - Proficiency in web3 technologies - Prior work with DeFi, NFTs or DAOs - Strong understanding of blockchain principles - Excellent coding and ...

    $147 - $441
    加封 保密协议
    $147 - $441
    10 个竞标

    I'm seeking a skilled web developer to create a responsive homepage and dashboard design for managing cryptocurrency transactions on the Solana blockchain. The primary aim of this project is to facilitate transaction management. Key features should include: - A user-friendly interface for seamless transaction handling. - Real-time updates and notifications for transaction statuses. - Security features to ensure safe transaction processing. Ideal skills and experience for the job: - Proficiency in Photoshop for creating responsive web interfaces. - Experience with Web3 technology and cryptocurrency platforms, particularly Solana. - Creating intuitive and engaging user interfaces. Delivery Requirements - Design Files in PSD, sliced layered JPG file - HTML, CSS & JS Refere...

    $51 Average bid
    $51 平均报价
    69 个竞标