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    5,000 bitcoin công việc được tìm thấy

    ...điện tử và tiền xu. alt là viết tắt của thay thế và đồng tiền có nghĩa là tiền tệ. Do đó, họ cùng nhau ngụ ý một loại tiền điện tử thay thế cho loại tiền kỹ thuật số Bitcoin. ALTCOIN là nền tảng hoàn hảo và hoàn chỉnh để tạo ra hệ thống tiền tệ của riêng bạn. Tập lệnh của chúng tôi được phát triển với PHP Laravel, Hoàn toàn đáp ứng, Tự động cập nhật Biểu đồ giá Bitcoin & ALTCOIN, Lộ trình và nhiều bài khác. Tính năng người dùng: Đáp ứng đầy đủ. Mẫu hỗ trợ nhiều màu. Facility Cơ sở thám hiểm HASH. Biểu đồ giá. Bao gồm bản đồ. Dễ dàng đăng ký. Dash Bảng...

    $250 Average bid
    $250 Giá đặt trung bình
    1 lượt đặt giá

    Cần list 1 đồng token lên website mua bán đã có sẵn Đồng Erc-20 token Website Có ví riêng cho mỗi khách hàng đăng kí tài khoản Người dùng có thể tạo quảng cáo tương tự như Bitcoin và Ethereum hiện tại Khi có giao dịch mua bán, token sẽ được giữ bởi hệ thống escrow, sau khi đã xác nhận sẽ được gửi cho người mua

    $660 Average bid
    $660 Giá đặt trung bình
    2 lượt đặt giá

    Tôi cần chỉnh sửa và nâng cấp thêm một số chức năng cho website với một số yêu cầu: thêm một đồng token để mua bán thêm chức năng live chat chỉnh sửa một số tính năng về 2FA khi giao dịch

    $648 Average bid
    Nổi bật
    $648 Giá đặt trung bình
    8 lượt đặt giá

    Tôi đang cần code 1 site đánh lô đề miền bắc online thanh toán qua API của và , giống như trang ,

    $556 Average bid
    $556 Giá đặt trung bình
    2 lượt đặt giá
    Tuyển coder Việt nam
    Đã kết thúc left

    Mình cần tuyển một bạn lập trình web chuyên về php hoặc nodejs càng tốt, am hiểu về API mảng bitcoin tiền ảo ....

    $20 / hr Average bid
    $20 / hr Giá đặt trung bình
    3 lượt đặt giá
    Phát triển web
    Đã kết thúc left

    Tôi cần một trang web mới Thiết kế và xây dựng nó Cửa hàng trực tuyến We need build Bitcoin exchange.

    $2579 Average bid
    $2579 Giá đặt trung bình
    8 lượt đặt giá
    Build a Website
    Đã kết thúc left

    I would like design website exchange automatic for exchange money e -currency such as: bitcoin, perfectmoney..... please inbox me!

    $15501 Average bid
    $15501 Giá đặt trung bình
    11 lượt đặt giá

    ...info/api - Chức năng liên kết thanh toán với ngân hàng, ngân lượng, ATM... - (có thể) ================ 4, MỤC ĐÍCH WEBSITE - Trang web này là nơi giao dịch mua và bán Bitcoin hoàn toàn tự động - Admin được hưởng chênh lệch VÍ DỤ: a, Admin có 1 Bitcoin và định giá bán ra là 10.000.000 VND khách hàng cần mua Bitcoin thì thanh toán 10tr vào tài khoản ngân hàng của admin và 1 Bitcoin đó sẽ được tự động gửi vào ví Bitcoin của khác hàng sau khi thanh toán thành công. b, Khách hàng c&o...

    $17 / hr Average bid
    $17 / hr Giá đặt trung bình
    3 lượt đặt giá

    ...động: Kinh doanh Layout của website: đã có demo Số lượng trang cần làm: 1 - 10 Nền tảng muốn làm: PHP Hệ thống Back-end: Admin Các tính năng cần có: Hỗ trợ đăng nhập bằng tài khoản social, Live chat, Banner slideshow, Thân thiện với mobile, Hỗ trợ SEO Yêu cầu khác của khách hàng Tôi cần thiết kế website để giao dịch và trao đổi Bitcoin Yêu cầu làm như trang demo DEMO: Mục đích: - Trang web này là nơi giao dịch mua và bán Bitcoin hoàn toàn tự động - Quản trị website được hưởng % từ những giao dịch thành công - Chức năng liên kết thanh toán với ngân hàng, ng&aci...

    $1499 Average bid
    $1499 Giá đặt trung bình
    2 lượt đặt giá

    Busco closer freelance con experiencia en ventas digitales para comercializar mis cursos online de trading (Bitcoin y mercados financieros). Ofrezco formación estructurada con tickets desde 99€ hasta 2.990€. Modelo de colaboración: Solo comisión: 30% por cada venta cerrada Pagos por transferencia / método acordado Posibilidad de colaboración estable si hay resultados Comisiones aproximadas: Curso 99€ → 29,7€ Curso 497€ → 149€ Curso 2.990€ → 897€ Perfil que busco: Experiencia demostrable en cierre de ventas online Preferible experiencia en infoproductos o high ticket Capacidad para gestionar leads y hacer seguimiento Profesional, orientado a resultados Importante: No busco spam ni...

    $1780 - $3560
    $1780 - $3560
    0 lượt đặt giá

    I need help recovering funds lost in a Bitcoin investment scam. The scam occurred via cryptocurrency. Hello, I am a 80 year old woman with Chronic Lung Disease and a cancer patient. I have been scammed by 2 different bitcoin investors. I need someone that can help me recover my funds. I have $9998.50 in USD.T and $2,500 in WSG in my Trust Wallet I need to try and transfer to my bank. I am alone and have nobody to help me. I am out of my medication and broke. PLEASE PLEASE CAN SOMEBODY HELP ME??? I AM NOT LOOKING FOR A HAND-OUT BUT A HELPING HAND-UP. Thank you and have a blessed day! Regards Ms Pat S Morrison

    $122 Average bid
    $122 Giá đặt trung bình
    5 lượt đặt giá
    AI Crypto Scalping Bot Development BITOCIN
    5 ngày left
    Đã xác thực

    ...Najważniejszy dla mnie jest rozbudowany moduł zarządzania ryzykiem: automatyczne SL/TP, dzienne limity strat, kontrola wielkości pozycji oraz maksymalne obsunięcie kapitału. Oczekuję pełnego logowania każdej operacji i przejrzystych raportów, dzięki którym łatwo przeanalizuję skuteczność strategii. Chcę, aby proces pracy wyglądał następująco: • Backtest na szerokim zakresie danych historycznych (Bitcoin, ewentualnie altcoiny). • Paper trading na koncie demo z dokładnym monitorowaniem wyników 24/7. • Optymalizacja parametrów i dopiero potem wdrożenie na środki rzeczywiste. Po stronie technicznej liczę na: • Model uczenia maszynowego lub kombinację algorytmów statystycznych reagujących w sekundowym interwale. • I...

    $1036 Average bid
    $1036 Giá đặt trung bình
    64 lượt đặt giá

    I’m running a server and I’m looking for an experienced developer to build a fully custom mining pool environment from the ground up. The setup should support two modes on the same server: a solo mining pool for Fractal Bitcoin (FB) using the SHA-256 algorithm, and a merged-mining pool that works with both Bitcoin (BTC) and Fractal Bitcoin at the same time. This needs to be a completely custom solution rather than based on existing pool software like MPOS or NOMP. You’re free to choose the programming language and framework as long as the result is stable, efficient, and well documented. Once everything is set up, my ASIC miners should be able to connect via Stratum and begin hashing without issues. The pool must fully support SHA-256 mining in both ...

    $21 / hr Average bid
    $21 / hr Giá đặt trung bình
    129 lượt đặt giá

    ... Before the main application opens, there should be an admin input option where I can manually enter the username and account balance, and that same information should be displayed inside the software interface. Additionally, before entering the main app, there should be a Yes/No toggle option to control withdrawal behavior in demo mode: if “Yes” is selected, any demo withdrawal (e.g., crypto/Bitcoin source) should show a successful transaction after the loading animation; if “No” is selected, clicking the withdrawal button should directly redirect the user to the subscription plan page and prompt them to purchase a plan. The app should include a login screen (UI only), a dashboard showing user balance (based on the manually entered demo data), a withdrawa...

    $619 Average bid
    Gấp
    $619 Giá đặt trung bình
    37 lượt đặt giá
    Black-White Cartoon Bitcoin Explainer
    4 ngày left
    Đã xác thực

    I’m putting together a simple black-and-white animation that walks viewers through Bitcoin’s history and origin before moving into a clear, engaging look at how it actually works. The piece should feel cartoonish rather than sketch-like or minimalist—think bold outlines, expressive motion, and playful transitions—yet it doesn’t need ultra-...Adobe Animate or similar) Acceptance criteria 1. Total length sits between 6–10 minutes. 2. Both requested topics—Bitcoin’s backstory and core mechanics—receive clear, balanced coverage. 3. Black-and-white cartoon style is consistent from first frame to last. If you prefer specific software, give me a quick note; I’m flexible so long as I receive the editable project files. Let&rsq...

    $12 / hr Average bid
    $12 / hr Giá đặt trung bình
    40 lượt đặt giá

    I am in the middle of financial-remedy proceedings and have been appointed to instruct a single joint expert. My ex-partner has disclosed a series of public keys and wallet addresses; however, I still need a clear, defensible picture of exactly how much cryptocurrency he currently holds and through how many wallets. The work centres on three core blockchains—Bitcoin, Ethereum and Ripple—but there may be additional tokens mixed in, so flexibility to widen the net is essential. I can supply every public key and wallet address already disclosed, and I can request anything else you identify as relevant. Your task is to trace those identifiers on-chain, calculate the present balances, and compile a concise report that can stand up to court scrutiny. Chain-analysis platform...

    $949 Average bid
    $949 Giá đặt trung bình
    25 lượt đặt giá

    I am commissioning a bilingual iOS application—Arabic first, English second—that delivers live Bitcoin and selected-coin data with a professional, sleek interface entirely in Swift and SwiftUI. The app’s core revolves around real-time price feeds, historical price charts, and razor-sharp alerts that keep users ahead of major market moves. Arabic users will enjoy a true RTL layout, while English users see a standard LTR presentation, all driven by Apple’s native localization tools. Key functionality I need implemented: • Current price updates streamed from a reliable REST source • Historical price charts for deeper context • Push notifications for major price changes via Firebase Cloud Messaging • In-app alerts that surface whale a...

    $2512 Average bid
    $2512 Giá đặt trung bình
    132 lượt đặt giá
    Multi-PSP Social Media Platform Entwicklung
    22 giờ left
    Đã xác thực

    ...Nutzer und Admins verbindet. Die Plattform soll multilingual, rechtlich konform und hochsicher sein. Live-Streaming wird vorbereitet, aber nicht aktiv im MVP umgesetzt. Ziele: Multi-User Social Media Plattform (User, Creator, Admin, Moderation, Compliance) Token-gestützte Monetarisierung inkl. Kauf, Bonus, Auszahlung Multi-PSP Unterstützung: Stripe, PayPal, Paysafe, Visa/Mastercard, IBAN/SEPA, Bitcoin (BTC) KI-gestützte Content-Moderation und Empfehlungen KYC / Altersverifikation (ID Upload, Selfie, Liveness Check) Frontend Widgets: Token-Kauf, Altersprüfung, DRM-Video-Player, Tool Control (optional für spätere Nutzung) Multi-Language Support: DE, EN, TR, AR, RO, BG, RU, ES Sicherheits- & DevOps-Setup: DDoS, WAF, Key Management, Logging,...

    $4683 Average bid
    $4683 Giá đặt trung bình
    123 lượt đặt giá

    I need help setting up my newly purchased Bitcoin miner to work with public pool mining and connect to my Bitcoin Core node. Ideal skills and experience: - Experience with Bitcoin mining - Familiarity with public mining - Knowledge of Bitcoin Core setup and configuration - Technical troubleshooting skills

    $138 Average bid
    $138 Giá đặt trung bình
    15 lượt đặt giá
    Python Openimestamps
    Sắp kết thúc left

    Python for Openimestamps. I need a Python expert to install Python instance with Bitcoin library fully updateable including bitcoin key code instance. This installation needs to allow Pyhthon code to post yo zopentimestamps and retrieve the relevant .ost file for verification on Win 11 OS. No ChatGPT operators please. Onlg true Python specialists!

    $20 Average bid
    $20 Giá đặt trung bình
    28 lượt đặt giá

    ...looking for someone to help us fix migration issues in a core flutter package: flutter_secure_storage Our application (as well as others) depend on this package to handle safe migration of data. The work is only on the library. This is not an application development project - it is a library security patch. Current System: EncryptedSharedPreferences Target System: Keystore Data to Migrate: - Bitcoin Wallet Private Keys Ideal Skills & Experience: - Strong knowledge of Android security practices - Experience with EncryptedSharedPreferences and Keystore - Proficiency in handling sensitive data migration We are a flutter mobile project using the flutter_secure_storage dependency that does not guarentee successful migration from encryptedSharedPreferences to the standard Keys...

    $3841 Average bid
    Gấp
    $3841 Giá đặt trung bình
    27 lượt đặt giá

    This project requires real GPU computation, correct Bitcoin cryptography handling, and verifiable results. This is not a demo or theoretical project. The program must be fully functional and tested. Only apply if you have proven experience with CUDA, cryptography, or Bitcoin key handling.

    $117 Average bid
    $117 Giá đặt trung bình
    1 lượt đặt giá

    I’m putting together a new informational site focused on the Bitcoin protocol and I need a polished visual mockup to guide development. I already have several reference sites in mind and I’d like to borrow their overall layout and structure, then tailor the result so it feels uniquely on-brand for Bitcoin—clean, innovative and trustworthy without looking overly “corporate.” Here’s what I’m after: • A desktop-first mockup (with mobile breakpoints, if possible) • Layered source files (Figma, Sketch or Adobe XD, PSD are all fine) • 3 Design needed Below are reference URLs, - - - - Existing site for brand guidelines we have once we start. If you have questions about specific design conventions

    $85 Average bid
    $85 Giá đặt trung bình
    57 lượt đặt giá

    Job Title: CUDA Developer Needed – GPU-Accelerated Bitcoin WIF Key Recovery Tool (Verification Required) Project Description: I am looking for an experienced CUDA / GPU developer to build and optimize a high-performance Bitcoin WIF private key recovery program. This project requires real GPU computation, correct Bitcoin cryptography handling, and verifiable results. This is not a demo or theoretical project. The program must be fully functional and tested. Only apply if you have proven experience with CUDA, cryptography, or Bitcoin key handling. Technical Requirements: - Written in C++ with CUDA - Runs on NVIDIA GPUs - Command-line interface (CLI) - Supports Bitcoin WIF (Base58Check) - Supports compressed and uncompressed private keys - Corr...

    $174 Average bid
    $174 Giá đặt trung bình
    34 lượt đặt giá

    I am looking to build an MVP version of a peer-to-peer betting platform, inspired by , focused strictly on core functionality. Important note: This project has NO strict deadline. The timeline is fully flexible, and the main priority is keeping development costs low, not speed. MVP scope: User registration and login Each user has a Bitcoin deposit address linked to their account Users deposit BTC, which is displayed as an EUR-denominated internal balance (for betting purposes only) Users can: Create simple peer-to-peer betting markets Join and accept bets created by other users Basic user dashboard showing balance, open bets, and settled bets Bet handling: Very simple bet structure (event description, stake, odds, outcome) Manual or admin-based bet settlement (no automa...

    $24 / hr Average bid
    $24 / hr Giá đặt trung bình
    41 lượt đặt giá

    ***POR FAVOR, ¡SI HAS LEÍDO LA DESCRIPCIÓN PREVIAMENTE, DÉJANOS TU PROPUESTA!. GRACIAS*** Inversión consciente · Bitcoin · IA · Futuro real (sin humo) 1. ATENCIÓN — Lee esto antes de postular Si crees que un VSL empieza con “Hola, mi nombre es…”, este proyecto no es para ti. Busco a alguien que entienda que un VSL no es un video bonito, sino una transferencia clara de valor percibido en pocos minutos. Un/a copywriter VSL de ALTO NIVEL, capaz de crear una apertura brutal en 3–7 segundos, detener el scroll y provocar esta reacción inmediata: “Esto es exactamente lo que estaba buscando.” 2. APERTURA BRUTAL (HOOK) Debe: • Romper una creencia • Nombrar el dolo...

    $151 Average bid
    $151 Giá đặt trung bình
    9 lượt đặt giá

    ***POR FAVOR, ¡SI HAS LEÍDO LA DESCRIPCIÓN PREVIAMENTE, DÉJANOS TU PROPUESTA!. GRACIAS*** Inversión consciente · Bitcoin · IA · Futuro real (sin humo) 1. ATENCIÓN — Lee esto antes de postular Si crees que un VSL empieza con “Hola, mi nombre es…”, este proyecto no es para ti. Busco a alguien que entienda que un VSL no es un video bonito, sino una transferencia clara de valor percibido en pocos minutos. Un/a copywriter VSL de ALTO NIVEL, capaz de crear una apertura brutal en 3–7 segundos, detener el scroll y provocar esta reacción inmediata: “Esto es exactamente lo que estaba buscando.” 2. APERTURA BRUTAL (HOOK) Debe: • Romper una creencia • Nombrar el dolo...

    $149 Average bid
    $149 Giá đặt trung bình
    8 lượt đặt giá

    ***POR FAVOR, ¡SI HAS LEÍDO LA DESCRIPCIÓN PREVIAMENTE, DÉJANOS TU PROPUESTA!. GRACIAS*** Inversión consciente · Bitcoin · IA · Futuro real (sin humo) 1. ATENCIÓN — Lee esto antes de postular Si crees que un VSL empieza con “Hola, mi nombre es…”, este proyecto no es para ti. Busco a alguien que entienda que un VSL no es un video bonito, sino una transferencia clara de valor percibido en pocos minutos. Un/a copywriter VSL de ALTO NIVEL, capaz de crear una apertura brutal en 3–7 segundos, detener el scroll y provocar esta reacción inmediata: “Esto es exactamente lo que estaba buscando.” 2. APERTURA BRUTAL (HOOK) Debe: • Romper una creencia • Nombrar el dolo...

    $94 Average bid
    $94 Giá đặt trung bình
    13 lượt đặt giá
    Calcolo Crypto per ISEE, RW, RT
    Đã kết thúc left

    Possiedo diverse criptovalute – Bitcoin, Ethereum, Binance e qualche altra alt-coin – e ho bisogno di estrapolare tutti i dati necessari per la DSU ISEE italiana. Dispongo già di bozze del quadro RW e del quadro RT, ma voglio che siano verificati, completati e resi pronti per la consegna al CAF o all’Agenzia delle Entrate. Cosa mi serve, in pratica: • Analisi di wallet ed exchange per ricostruire saldi e movimenti annuali • Calcolo del valore in euro di ogni asset al 31/12 (tassi di cambio ufficiali) • Compilazione o correzione di entrambi i quadri RW e RT, rispettando la normativa fiscale vigente • Un breve riepilogo metodologico che spieghi criteri di calcolo e fonti dei dati Ho già raccolto la maggior parte delle informa...

    $18 / hr Average bid
    $18 / hr Giá đặt trung bình
    3 lượt đặt giá

    ...staking protocols Implement Fireblocks-based custody and approval policies Monitor risk, exposure, and asset allocation Support audits, compliance, and reporting requirements Evaluate new blockchain networks and DeFi opportunities Required Qualifications 5+ years of institutional crypto asset management experience Hands-on experience with Fireblocks / BitGo / Copper Strong understanding of Bitcoin, Ethereum, L2s, and major blockchains Experience managing large crypto portfolios Ability to communicate technical concepts to business stakeholders Nice to Have CFA / FRM / crypto certifications Experience at crypto funds, exchanges, or custody providers Open-source, research, or thought leadership background Why Join Us Work on institutional-grade crypto infrastructure...

    $7 - $17
    $7 - $17
    0 lượt đặt giá
    Custom Crypto Payment Gateway
    Đã kết thúc left

    ...need a fully self-hosted PHP solution that lets me accept and track crypto payments without relying on any third-party processor or API. The gateway must handle wallet creation, incoming payment detection, confirm transactions, and trigger my own callback URLs so I can update orders in real time. Supported currencies (must be native, on-chain operations only): • USDT TRC20 • USDT ERC20 • Bitcoin What matters most is reliability and security: private keys stay on my server, transactions are signed locally, and every step—from address generation to balance checks—runs through code you supply. If you can demonstrate a compelling reason to use an additional micro-service or even switch portions to Node.js or Python I’m open to it, but PHP rema...

    $4387 Average bid
    $4387 Giá đặt trung bình
    37 lượt đặt giá

    ***POR FAVOR, ¡SI HAS LEÍDO LA DESCRIPCIÓN PREVIAMENTE, DÉJANOS TU PROPUESTA!. GRACIAS*** Inversión consciente · Bitcoin · IA · Futuro real (sin humo) ATENCIÓN — Lee esto antes de postular Si crees que un VSL empieza con “Hola, mi nombre es…” este proyecto no es para ti. Busco a un/a copywriter VSL de ALTO NIVEL, capaz de crear una apertura brutal en los primeros 3–7 segundos, detener el scroll y generar esta reacción inmediata: “Esto es exactamente lo que estaba buscando.” CONTEXTO DEL PROYECTO Estoy lanzando una comunidad en Skool enfocada en la creación de carteras de inversión a mediano y largo plazo, combinando: - Bitcoin como activo base...

    $156 Average bid
    $156 Giá đặt trung bình
    26 lượt đặt giá

    ***POR FAVOR, ¡SI HAS LEÍDO LA DESCRIPCIÓN PREVIAMENTE, DÉJANOS TU PROPUESTA!. GRACIAS*** Inversión consciente · Bitcoin · IA · Futuro real (sin humo) ATENCIÓN — Lee esto antes de postular Si crees que un VSL empieza con “Hola, mi nombre es…” este proyecto no es para ti. Busco a un/a copywriter VSL de ALTO NIVEL, capaz de crear una apertura brutal en los primeros 3–7 segundos, detener el scroll y generar esta reacción inmediata: “Esto es exactamente lo que estaba buscando.” CONTEXTO DEL PROYECTO Estoy lanzando una comunidad en Skool enfocada en la creación de carteras de inversión a mediano y largo plazo, combinando: - Bitcoin como activo base...

    $120 Average bid
    $120 Giá đặt trung bình
    15 lượt đặt giá

    ***POR FAVOR, ¡SI HAS LEÍDO LA DESCRIPCIÓN PREVIAMENTE, DÉJANOS TU PROPUESTA!. GRACIAS*** Inversión consciente · Bitcoin · IA · Futuro real (sin humo) ATENCIÓN — Lee esto antes de postular Si crees que un VSL empieza con “Hola, mi nombre es…” este proyecto no es para ti. Busco a un/a copywriter VSL de ALTO NIVEL, capaz de crear una apertura brutal en los primeros 3–7 segundos, detener el scroll y generar esta reacción inmediata: “Esto es exactamente lo que estaba buscando.” CONTEXTO DEL PROYECTO Estoy lanzando una comunidad en Skool enfocada en la creación de carteras de inversión a mediano y largo plazo, combinando: - Bitcoin como activo base...

    $166 Average bid
    $166 Giá đặt trung bình
    11 lượt đặt giá

    Ich möchte in TradingView eine vollautomatisierte Pine-Script-Strategie für den Bitcoin-Chart von Bitget laufen lassen. Die Strategie soll Long- und Short-Setups abdecken und eigenständig Trades auslösen, damit ich sie später per Alert an meinen Broker weiterleiten kann. Rahmenbedingungen • Handelsinstrument: BTC auf Bitget • Timeframe: frei wählbar, solange die Performance-Vorgaben erreicht werden • Chance-Risiko-Vorgabe: fixer Take-Profit von 0,75 % und fixer Stop-Loss von 0,25 % je Trade • Mindestaktivität: mindestens 15 Trades pro Monat im Backtest • Zielquote: ca. 70 % Trefferquote jeden Monat und das über die letzten 4 Jahre bewiesen mit Backtest Lieferumfang 1. Pine-Script-Code (v6) mit sauber ...

    $274 Average bid
    $274 Giá đặt trung bình
    8 lượt đặt giá

    I need a prebuilt casino website equipped with a crypto payment gateway. The casino should include a variety of games such as Slots, Poker, Blackjack, color prediction, Ludo, and Aviator. For the crypto gateway integration, I require support for Bitcoin, Ethereum, Litecoin, and USDT. The design should maintain a simple and user-friendly style, ensuring seamless navigation and an engaging user experience. If you can deliver a solution that meets these specifications, I look forward to working with you.

    $17 Average bid
    $17 Giá đặt trung bình
    14 lượt đặt giá

    I am expanding my existing payment module to accept and send Bitcoin and need a complete transfer layer built with React on the front end and Node.js on the back end. The solution will plug straight into my current codebase (no third-party gateway) and must speak directly to the BlockCypher API. Scope of work – Front end (React) • A clean payment form that lets the user enter the BTC amount and the destination wallet address. • Real-time transaction status updates (pending, confirmed, failed). – Back end (Node.js) • Programmatic creation and broadcasting of Bitcoin transactions through BlockCypher. • Secure storage and encryption of private keys (please outline your preferred method; I am open to industry-standard librarie...

    $4292 Average bid
    $4292 Giá đặt trung bình
    40 lượt đặt giá
    Crypto Exchange with Video KYC
    Đã kết thúc left

    I need a full-featured crypto exchange, visually and functionally inspired by , but built from scratch so I retain complete ownership of the code. Core trading must cover Bitcoin (BTC), Ethereum (ETH), Ripple (XRP) and fiat pairs against USD, with the flexibility to add more assets later. Key workflows I want ready on day one: • Secure, on-chain wallet management for each user, with hot-cold wallet logic and automated deposit / withdrawal processing. • Integrated video-based KYC that performs real-time liveness detection before an account is approved. The verification should plug into the onboarding flow seamlessly, store audit logs, and give me an admin panel to override or re-verify if needed. I’m comfortable with any modern stack—popular choices li...

    $83 Average bid
    $83 Giá đặt trung bình
    8 lượt đặt giá
    Crypto Scalping Bot Development
    Đã kết thúc left

    I want an automated trading bot that executes high-frequency scalping on my MetaMask-connected account. The bot will watch price movements on the tokens I actively hold—USDT, USD Coin, XRP, Bitcoin, and Ethereum—entering micro trades, capturing small spreads, and closing each position within minutes once the predefined profit target or stop-loss is hit. Key expectations • Direct integration with MetaMask so orders route through the wallet without manual signing once permission is granted. • User-editable settings for position size, profit take, stop-loss, maximum concurrent trades, and gas/slippage limits. • Real-time monitoring dashboard (CLI or lightweight UI) that logs every fill, PnL, and cumulative performance. • Safety checks: anti-sa...

    $591 Average bid
    $591 Giá đặt trung bình
    38 lượt đặt giá
    Google Ads for Bitcoin ATM
    Đã kết thúc left

    I need help running Google ads to increase brand awareness for my Bitcoin ATM business among the general public. Key Requirements: - Create and manage Google ad campaigns - Focus on brand awareness - Target general public - No rush on completion Ideal Skills: - Experience with Google Ads - Knowledge of crypto market - Strong analytical skills - Creative ad copywriting Looking for a freelancer who can help me effectively reach my target audience.

    $384 Average bid
    $384 Giá đặt trung bình
    50 lượt đặt giá
    Bitcoin USB Wallet Setup Help
    Đã kết thúc left

    I have just purchased a Bitcoin USB wallet and need it up and running right away. The device has never been initialized or has been settled online purchase into reality / real life if so I’ll be starting from scratch: installing the required firmware, generating secure keys, creating the first wallet address, and double-checking that my recovery phrase is stored safely. Because I originally made this investment during a turbulent period in my city light I also want a clear, jargen-free explanation of what my potential returns could look like if I were holding or moving funds outside my current jurisdiction hold ons. Here’s what I expect once we begin: • A live session where you guide me through every step of the setup (iPhones or iPads storing it into a mobile if...

    $32 / hr Average bid
    $32 / hr Giá đặt trung bình
    22 lượt đặt giá
    Bitcoin Market Making Platform
    Đã kết thúc left

    Bitcoinner will be a live Bitcoin trading venue where automated bots handle all order flow through a market-making strategy. The goal is to keep tight spreads, provide continuous liquidity, and generate steady fees while managing risk in real time. What I already have in mind • Core trading engine that talks to major spot exchanges through WebSocket and REST • Strategy layer that places, cancels, and reprices quotes every few seconds based on order book depth, inventory, and volatility • Simple web dashboard that shows PnL, order book position, current inventory, and adjustable parameters such as target spread, size, and skew • Configurable risk controls: max position, kill-switch, and latency checks • Persistent logs plus basic alerting (email or...

    $21 / hr Average bid
    $21 / hr Giá đặt trung bình
    22 lượt đặt giá

    ...black or dark background Strong typography Editorial, premium feel Subtle or no illustration Feels serious, legacy-driven, timeless 2. Symbol-Led Concept Use of symbols layered or patterned across the cover Symbols may include: Entrepreneurship Learning Networks Growth Abstract, not literal Clean composition, not cluttered 3. Technology & Future-Focused Concept References to: AI Bitcoin / crypto Future technologies Symbols or abstract representations (not flashy or gimmicky) Feels intelligent and forward-looking 4. Fun / Lively / Human Concept Energetic but still premium Reflects: community creativity experimentation Balanced — not childish or noisy 5. Entrepreneurial School Identity Must subtly communicate: ambition learning by doing bui...

    $100 Average bid
    Bảo đảm
    $100
    929 bài tham dự

    A concise, persuasive profile text is required for my blockchain venture that touches on Bitcoin, Ethereum, APRO and other key elements of the ecosystem. The copy must do more than introduce the project’s features; it should weave in my personal achievements, spotlighting the career milestones that underline my credibility in the crypto space. The core piece will serve multiple fronts—website ‘About Us’, investor decks, and social channels—so it needs to sound authoritative yet approachable. I primarily need the description in clear, professional English, but I’m happy to review Hindi or Hinglish versions if you’re comfortable producing them. Please craft: • A 300–400-word main profile description. • Two punchy taglines...

    $11 / hr Average bid
    $11 / hr Giá đặt trung bình
    2 lượt đặt giá
    Crypto Exchange Development
    Đã kết thúc left

    I'm looking for a skilled developer to create a secure and efficient crypto exchange platform. The exchange should support Bitcoin (BTC), Ethereum (ETH), and Ripple (XRP). Key functionalities include: - Trading platform - Wallet integration - Deposit/Withdrawal system Security features are paramount, and must include: - Two-factor authentication (2FA) - Cold storage solutions - Encryption protocols Ideal candidates will have: - Proven experience in developing crypto exchanges - Strong understanding of blockchain technology and cryptocurrencies - Expertise in implementing robust security measures - Proficiency in wallet integration and trading platform development Please provide examples of similar projects you've completed and your approach to ensuring security and fun...

    $20 / hr Average bid
    $20 / hr Giá đặt trung bình
    21 lượt đặt giá

    A concise, persuasive profile text is required for my blockchain venture that touches on Bitcoin, Ethereum, APRO and other key elements of the ecosystem. The copy must do more than introduce the project’s features; it should weave in my personal achievements, spotlighting the career milestones that underline my credibility in the crypto space. The core piece will serve multiple fronts—website ‘About Us’, investor decks, and social channels—so it needs to sound authoritative yet approachable. I primarily need the description in clear, professional English, but I’m happy to review Hindi or Hinglish versions if you’re comfortable producing them. Please craft: • A 300–400-word main profile description. • Two punchy taglines...

    $14 / hr Average bid
    $14 / hr Giá đặt trung bình
    1 lượt đặt giá

    I’m putting together a practical resource aimed at everyday people who want to boost their finances through smart cryptocurrency investing. I already know the audience: beginners who may have dabbled in savings accounts or index funds but feel intimidated by Bitcoin, Ethereum, and the wider alt-coin landscape. Here’s what I need from you: a clear, actionable set of investment guidelines that demystifies the crypto market, explains core concepts (wallets, exchanges, security best practices), and walks readers through creating a balanced crypto portfolio. The content has to stay realistic about risk, offer strategies for minimizing it, and highlight common pitfalls to avoid. Deliverables • A step-by-step written guide (8-10 pages is plenty) formatted for web a...

    $20 / hr Average bid
    $20 / hr Giá đặt trung bình
    9 lượt đặt giá
    Bitcoin Sentiment Excel Report
    Đã kết thúc left

    I’m compiling a series of Bitcoin market analysis reports that focus exclusively on the Fear & Greed Index and how it reflects long-term investor sentiment. To streamline my workflow, I need a well-structured Excel workbook that automatically pulls the latest index data, stores historical values, and presents clear visual insights—charts, conditional-format dashboards, and a concise written summary section inside the sheet. The core purpose is straightforward: each time I open or refresh the file I should instantly see where sentiment stands today, how it has trended over weeks and months, and what that might imply for multi-year positioning. The file must be self-contained—no paid API keys—so a solution that relies on freely accessible endpoints or a li...

    $92 Average bid
    $92 Giá đặt trung bình
    21 lượt đặt giá

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