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    5,000 bitcoin jobs found

    ...to represent a unified trust network. The composition should remain clean and uncluttered. The Hero should include: A strong headline A short supporting description Primary and secondary call-to-action buttons Trust indicators (e.g., Blockchain Verified, Global Verification, Privacy First) The headline and call-to-action should be the strongest visual focus. Please avoid cryptocurrency symbols, Bitcoin/Ethereum logos, trading charts, neon Web3 aesthetics, generic AI-looking artwork, and overly busy compositions. Deliverables: Figma source file Editable vector assets Responsive desktop, tablet, and mobile layouts Production-ready UI suitable for development The final design should instantly communicate ownership, authenticity, legal confidence, and long-term trust while maintainin...

    $20 Average bid
    Guaranteed
    $20
    107 entries

    I want a web platform where players deposit Bitcoin, Ethereum, or Litecoin, open randomized loot-box style cases, and instantly withdraw any winnings they decide to cash out. The flow should feel identical to popular skin-unbox sites, but with native crypto handling from start to finish. Core Experience • Seamless wallet connection or generated in-site wallet for BTC, ETH, and LTC • Provably-fair RNG powering the randomized loot boxes so users can verify each roll • Live animation of every unbox, plus a running feed that highlights big pulls to keep the page energetic • Instant smart-contract or API-driven payouts when a player clicks “withdraw” • Simple, responsive UI that works on desktop and mobile Admin Side • Dashboard tha...

    $7056 Average bid
    $7056 Avg Bid
    82 bids

    I'm seeking a realistic animated video that conveys the importance of financial security. The video will showcase a large, elegant modern mansion being defended by guards. These guards will be labeled with various assets such as bonds, gold, bitcoin, and diversification. Key Requirements: - Realistic animation style - Visual representation of financial security concepts - Elegant modern mansion as the central focus - Guards depicted as various financial assets Ideal Skills and Experience: - Expertise in realistic animation - Strong understanding of financial security concepts - Experience in creating engaging animated videos - Attention to detail in architectural representation Please provide samples of similar work.

    $388 Average bid
    $388 Avg Bid
    82 bids

    I need a premium, modern-looking logo for my new cryptocurrency trading platform, Cryptrix. The mark must feel trustworthy and secure while signalling innovation, speed, and financial growth. Think clean geometry: an abstract interplay of the letters “C” and “X”, a subtle blockchain motif, or a stylised upward-moving market shape. Please stay away from generic Bitcoin or coin icons—I want a fresh, distinctive identity. Palette • Midnight navy as the anchor • Accents in electric blue, cyan, and white • Optional touches of emerald or silver if they elevate the design Typography Use a bold, contemporary sans-serif typeface that fits a professional fintech aesthetic and pairs harmoniously with the symbol. Usage & scalability ...

    $91 Average bid
    $91 Avg Bid
    166 bids

    ...blended into a different photo so it looks like I was really there. Feel free to choose a suitable background image that best matches my pose and lighting; just make sure the final scene feels authentic. Key edits I need: • Seamlessly blend my face onto the chosen body, keeping skin texture, pores, and hair details crisp. • Remove any existing text or logo on the shirt and replace it with a clean Bitcoin logo that sits naturally in the fabric folds. • Grade the entire image in neutral tones—grays, blacks, and whites—so the result feels consistent and stylish. • Adjust lighting, shadows, and color balance so nothing looks pasted or fake. The final file should be delivered in high-resolution JPG and PNG, ready to drop straight onto social med...

    $88 Average bid
    $88 Avg Bid
    27 bids

    ...Roundtable 13th anniversary Satoshi Roundtable is an annual fin tech / crypto / AI gathering of notable crypto founders and others. The previous art from some past events is below (we need with and without the comic book cover - can send higher quality versions or search Satoshi Roundtable Artwork online) For the 13th year we’d like to continue with the cool cypherpunk / cyberpunk theme - with Bitcoin Easter eggs / theme and add in an AI theme (NO AI GENERATED ART) A positive and high quality, detailed piece thing in the last 10 years with the next 10 and beyond The feel is very cypherpunk, cyberpunk and futuristic and cool — since the event on an Island, it could be Island themed Deliverable will be high quality digital format in color Please let us know if yo...

    $878 Average bid
    $878 Avg Bid
    98 bids

    I need a complete, production-ready solo mining pool for Bitcoin that functions much like solo100.org. Miners will point their software to a Stratum endpoint I host and identify themselves only by their Bitcoin wallet address—no emails, passwords, or social logins. The pool must talk directly to my own Bitcoin Core node, build valid block templates, and handle share validation, difficulty adjustment, and instant payout to the winning address once a block is found. A lightweight web dashboard should display real-time hash-rate, connected workers, recent blocks, and basic pool stats; no account area is necessary beyond viewing data tied to the submitted address. Key deliverables: • Stratum server fully integrated with Bitcoin Core • Automatic...

    $86 Average bid
    $86 Avg Bid
    12 bids

    We are looking for a native Urdu-speaking female presenter for an ongoing YouTube project focused on simple, honest finance and crypto education for Pakistani and diaspora beginners. This is an early-stage channel, so the starting budget is modest. However, if the collaboration works well, this can become stable, lon...thumbnail photos with different expressions, such as curious, concerned, serious, or confident * free coaching is provided, for tone, clarity, angle techniques and so on. Requirements: * Native or highly fluent Urdu speaker, preferably Pakistani Urdu * Female presenter comfortable appearing on camera * good: and clear communicator * Reliable * Interest or basic understanding of finance, money, Bitcoin, or crypto is a plus, but not required To apply, please send ...

    $13 Average bid
    $13 Avg Bid
    6 bids

    ...build and not on-line now because i need to start taking cryptocurrency. The immediate goal is to integrate Bitcoin and Litecoin payments end-to-end, maintain a tamper-proof transaction log I can query from the admin panel, and harden the flow against common exploits. Because the store doesn’t sit on Shopify, WooCommerce, or Magento, off-the-shelf plugins aren’t an option; the codebase will need a clean API integration. I am open to whichever gateway—Coinbase Commerce, BitPay, CoinGate, or another—that you feel best suits a PHP environment and long-term maintainability. Please be prepared to justify your recommendation. Key outcomes I’m expecting: • Seamless checkout option for Bitcoin and Litecoin alongside my existing methods &bul...

    $41 / hr Average bid
    $41 / hr Avg Bid
    105 bids

    ... description, canonical and OpenGraph tags for every coin, category and news page directly in the Blade templates or via view composers. • Content optimisation – quick audit of heading hierarchy, schema markup for coins (price, market-cap, change %), internal-link suggestions, and any tweaks that help Google understand each page better. • URL structure – clean, semantic slugs (e.g. /coins/bitcoin instead of /coin?id=1), 301s for any legacy links, and route updates so nothing breaks. All work has to sit neatly inside the existing Laravel project without disrupting current API calls or queue jobs. I will give you Git access and a staging branch; once we test there, we’ll merge to production. Acceptance will be straightforward: Lighthouse SEO sc...

    $131 Average bid
    $131 Avg Bid
    208 bids

    ...understand: Why DXY is moving in real time and how it can affect Gold (XAUUSD), Bitcoin (BTC), NAS100 and Forex markets. This system should not show random news. It should only filter and deliver important news/events that have a high chance of impacting the DXY index and related markets. and this should happen in terms of scoring which will help and identify which news can make an impact ( Scoring 0-100) --- Main Objective Build a system that: 1. Tracks DXY price in real time (minute-by-minute) 2. Tracks economic and geopolitical news affecting DXY 3. Uses AI to filter important news only 4. Gives real-time alerts and market impact prediction 5. Explains why DXY moved and expected impact on: Gold (XAUUSD) Bitcoin (BTC) NAS100 Forex pairs --- Core ...

    $263 Average bid
    $263 Avg Bid
    14 bids

    ...• track every sale with an automatic 4–8 % commission routed through our checkout On the buyer side, restaurants and shop owners should be able to: • order fresh eggs quickly • rate egg quality after each delivery • contact farmers instantly for follow-up or bulk arrangements • arrange transport options that farmers publish or approve Payments must support local cash-on-delivery, Bitcoin, PayPal and any other gateway you recommend, with funds settling to the farmer minus our fee. An admin back-office should let me adjust commission brackets, approve new suppliers, view analytics and handle disputes. Deliverables 1. Fully functional, mobile-friendly web app (React, Vue or similar modern framework). 2. Scalable backend (Node, Djan...

    $215 Average bid
    $215 Avg Bid
    298 bids

    I need a lightweight Python script that connects to Polymarket’s public data feed, watches the “Bitcoin 5m” market in real time and, in simulation mode only, places a hypothetical $1 UP trade whenever the maximum profit price for the UP side is ≤ $0.10. Once the trade is opened the script must keep monitoring the same five-minute candle, decide win vs. loss at expiry, and maintain running totals of wins and losses for the entire session. Core flow • Pull live order-book or price snapshot for “Bitcoin 5m”. • On every tick inside the five-minute window, check whether the UP contract is priced at ten cents or below; if so, simulate the $1 buy and lock that instance until resolution. • At market resolution log whether the s...

    $122 Average bid
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    82 bids

    ...the site must be fast, scalable, SEO-friendly, and easy to expand. --- ## Top 5 Heatmaps Required in MVP The MVP must include these 5 reusable heatmap modules/pages: 1. **Crypto Market Heatmap** * Data source: CoinGecko API or similar free/low-cost crypto API * Must support reusable filters like: * overall market * top gainers * top losers * top 100 coins * Bitcoin / altcoin view if possible 2. **AQI / Air Quality Heatmap** * Data source: OpenAQ API or similar * Must show AQI / air quality data visually on a map * Should support region filters like world, US, India, etc. if possible 3. **Earthquake Heatmap** * Data source: USGS Earthquake GeoJSON feed * Must show recent earthquakes on a map * Should support filters like r...

    $252 Average bid
    $252 Avg Bid
    60 bids

    My Bitcoin mining farm sits just outside Sugar Land / Rosenberg, and several of the Bitmain-style ASICs have started dropping hash rate. I need an electronics-savvy technician who can come to the site on pre-arranged maintenance days, isolate any faulty rigs, remove them, repair them in your own workshop, then return and reinstall them fully tested. Typical work you will tackle includes replacing burned-out power stages or control boards, correcting cold or cracked solder joints, and flashing or rolling back firmware when it has bricked a unit. I rely on you to provide safe transport for the miners—anti-static packaging and adequate padding are essential—so everything arrives at your bench and back on my racks undamaged. On each visit I will walk you through current al...

    $80 Average bid
    Local
    $80 Avg Bid
    4 bids

    I run a small bitcoin-mining facility in Rosenberg, Texas and several of my Antminer S19 units have gone down. I need someone local to the Sugar Land / Rosenberg area who can drive to the site, pull the bad rigs, and drop in spares so hash-rate loss is kept to a minimum. After swapping them out you will take the faulty miners back to your own workshop, diagnose the issue, perform board-level repairs, handle any required circuit troubleshooting on power supplies or control boards, and then return fully tested units for re-installation. If you already have the specialized tools, microscopes, hot-air stations, and firmware jig cables great—we can move faster—but I’m happy to discuss supplying anything that is missing. Success for each batch is simple: • Dead m...

    $80 Average bid
    Local
    $80 Avg Bid
    2 bids

    ...build all possible three-leg price loops, calculate net profitability after trading and withdrawal fees, and instantly execute the cycle whenever a preset threshold is met. Key points I need respected: • Strategy: pure triangular arbitrage; no cross-exchange spread trading. • Exchanges: Binance and Bybit only, with simple JSON/YAML files for my API keys and adjustable parameters. • Assets: Bitcoin, Ethereum and Ripple pairs (for example BTC/USDT, ETH/BTC, XRP/ETH, etc.). • Safety: position sizing, failed-leg rollback, and a dry-run mode so I can test live order books without placing real orders. • Clarity: modular functions, clear comments, and a concise README that explains installation, config variables and how profit is computed. Please code ...

    $533 Average bid
    $533 Avg Bid
    3 bids

    I want a clean, lightweight mobile wallet dedicated to Bitcoin only. The core job is to design and code an app that lets users create or import a BTC address, view their balance, send and receive coins, and track recent transactions in real time through reliable blockchain APIs. Security is non-negotiable. The first release must include two-factor authentication on every outbound transaction as well as on any sensitive settings screen. I’m happy to discuss SMS, email, or authenticator-app–based 2FA—choose whichever you can implement most robustly. I’m aiming for a straightforward user experience with optional room to grow: even though the initial scope covers Bitcoin exclusively, the architecture should be modular enough that I can add Ethereum, Lite...

    $5247 Average bid
    $5247 Avg Bid
    52 bids

    Hello, Phase Zero PCB Feasibility Review for Secure Hardware Wallet Before starting the full PCB design, I would like to do a Phase Zero feasibility review to confirm whether you can professionally complete this project. I am building a one-board secure Bitcoin hardware wallet prototype. Core hardware stack: - 2x Renesas RA8M1 R7FA8M1AHECFB#AA0 - Microchip TA101 secure signer - NXP SE052F secure element - ID Quantique IDQ6MC1 QRNG - DS28E38 authenticator / anti-clone chip - Sharp LS027B7DH01A Memory LCD - USB-C, microSD, LiPo charger, buttons, tamper switch, external SPI flash For Phase Zero, I am not asking you to design the full PCB yet. I need a review of the BOM, architecture, pin assignments, power tree, and manufacturability risks. Please confirm if you can review and de...

    $585 Average bid
    $585 Avg Bid
    48 bids

    ...understand: Why DXY is moving in real time and how it can affect Gold (XAUUSD), Bitcoin (BTC), NAS100 and Forex markets. This system should not show random news. It should only filter and deliver important news/events that have a high chance of impacting the DXY index and related markets. and this should happen in terms of scoring which will help and identify which news can make an impact ( Scoring 0-100) --- Main Objective Build a system that: 1. Tracks DXY price in real time (minute-by-minute) 2. Tracks economic and geopolitical news affecting DXY 3. Uses AI to filter important news only 4. Gives real-time alerts and market impact prediction 5. Explains why DXY moved and expected impact on: Gold (XAUUSD) Bitcoin (BTC) NAS100 Forex pairs --- Core ...

    $244 Average bid
    Featured
    $244 Avg Bid
    44 bids

    I need a web-based trading platform that I can fully manage from an admin console. After a quick email-and-password signup, each user should automatically receive both a profile and a unique, custodial wallet address. At launch the platform will handle Bitcoin and Ethereum; the codebase must be structured so I can add further coins later without a full rewrite. Key functions I must have as the administrator: • Real-time dashboard showing every registered account, current balances, recent deposits, and withdrawal requests. • Ability to push crypto from a master wallet into any user wallet on demand. • Withdrawal workflow that blocks release of funds until the user pays a configurable fee I set in the backend. User-side essentials: • Responsive trading interf...

    $382 Average bid
    $382 Avg Bid
    78 bids

    ...LinkedIn snippets, or quick-fire TikTok captions—whatever medium best carries the message. You’ll pull raw data from sources like CoinMarketCap, TradingView, Glassnode (or similar tools you prefer), spot the headline movement, add a dash of context, and wrap it in language that makes sense to both newcomers and seasoned crypto watchers. Deliverables • 4–6 social posts per week focused on Bitcoin, Ethereum, and notable altcoins • One-sentence headline, a concise 100–150-word explanation, and 1–2 key data points or charts (link or image) per post • Engaging hashtags and a clear call-to-action that fits the platform • Content formatted and scheduled in a shared Google Doc or directly in the platform’s draft area, rea...

    $147 Average bid
    $147 Avg Bid
    5 bids

    I need a mobile app built for both iOS and Android that helps me decide whether to place a call or put order on a chosen stock or on Bitcoin. The core of the app is a machine-learning model that must output direction predictions over three short-term horizons—1, 2, and 5 minutes—and refresh fast enough for real-time use. Key trading logic – Order size presets of 1 %, 2 %, 3 %, or 5 % of the current account balance, with the option to override the preset by entering an exact dollar amount. – Live price feeds and trade execution against NASDAQ, NYSE, and Coinbase, so the same interface works whether I pick a listed stock or Bitcoin. – A running trade ledger that stores date/time, symbol, horizon chosen, call/put side, stake size, and the eve...

    $687 Average bid
    Urgent
    $687 Avg Bid
    123 bids

    ...Rev 3.1 that can sustain roughly 12 Th/s on the Random X algorithm so I can connect it straight to my account on unMineable.com. Whether you already have a pre-built unit or you can assemble a custom build to reach the same spec, I’m open to either path as long as the finished device lands within my price point. My plan is to mine Monero directly and also route earnings through unMineable for Bitcoin payouts, so the rig must run Random X stably and be delivered fully tested. Deliverables • A working Nerd Miner NerdOCTAxe Rev 3.1 (pre-built or custom) • Proof of ~12 Th/s Random X performance before shipment • Firmware pre-flashed and ready to connect to unMineable • Shipping to my address, packed securely When you bid, please tell me which ...

    $612 Average bid
    $612 Avg Bid
    12 bids

    ...com or , yet is entirely my own codebase. The core idea is simple: visitors browse an inventory of digital gift cards, drop any value they like into a shopping cart, and pay a single on-chain invoice. The moment the network confirms the payment, the platform releases the card codes—no extra fees for the buyer, no hidden spread. Cryptocurrencies to be accepted from day one are Bitcoin, Ethereum, Monero, Solana, XRP and Litecoin. I intend to self-host full nodes for every coin, so the back-end must talk directly to those nodes, not to third-party gateways. Please architect the payment module so I can plug in or remove coins later without touching the rest of the code. Security is non-negotiable: • End-to-end HTTPS, HSTS and secure headers • Hot wallet keys nev...

    $876 Average bid
    Urgent
    $876 Avg Bid
    63 bids

    ...com or , yet is entirely my own codebase. The core idea is simple: visitors browse an inventory of digital gift cards, drop any value they like into a shopping cart, and pay a single on-chain invoice. The moment the network confirms the payment, the platform releases the card codes—no extra fees for the buyer, no hidden spread. Cryptocurrencies to be accepted from day one are Bitcoin, Ethereum, Monero, Solana, XRP and Litecoin. I intend to self-host full nodes for every coin, so the back-end must talk directly to those nodes, not to third-party gateways. Please architect the payment module so I can plug in or remove coins later without touching the rest of the code. Security is non-negotiable: • End-to-end HTTPS, HSTS and secure headers • Hot wallet keys nev...

    $838 Average bid
    $838 Avg Bid
    83 bids

    ...offers just four classics—plinko, bustabit-style crash, roulette and slots—wrapped in a clean, minimal interface that echoes the feel of Stake and Bustabit. The priority is rock-solid security: end-to-end encryption, provably-fair game logic that is profitable, configurable and transparent, DDoS mitigation, hot-/cold-wallet separation. Players must be able to deposit, wager and withdraw in Bitcoin, Ethereum, Litecoin, Solana, Monero and USDT. If you prefer a modular gateway (e.g. CoinsPaid, Fireblocks, custom Node.js + Web3/RPC stack) let me know; I’m happy to approve whichever route best meets the security bar. For the Monero payouts we should host our own and have this configurable. I have no rigid brand guide—just the “ultra-clean”...

    $5918 Average bid
    $5918 Avg Bid
    72 bids

    I need a fantasy sports website developed, with essential features and a payment integration system. The website should be accessible and functional in India, but should support payments in USD and cryptocurrencies like Bitcoin, Ethereum, and Litecoin. Essential Features: - User registration and login - Fantasy sports team creation - Live scoring updates The ideal candidate should have: - Experience in developing fantasy sports platforms - Strong knowledge of payment integration, particularly with cryptocurrencies - Familiarity with regulations for operating a payment system in India This project needs to be completed as soon as possible. Please provide samples of your previous work.

    $2088 Average bid
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    43 bids

    I have a new crypto initiative that must run natively on the Bitcoin blockchain. While the exact product layer—be it a trading interface, a secure wallet, or an analytics dashboard—will be shaped together, the underlying requirement is clear: every function has to interact directly with the Bitcoin network, not a generic multi-chain wrapper. Here is what I need from you: first, a concise technical proposal that outlines the architecture, security approach, recommended stack, and phased timeline. Once we agree on the blueprint, you will take the lead in spinning up a full Bitcoin node (testnet first), exposing clean JSON-RPC endpoints, and building the core modules that handle address generation, transaction creation, signing, and broadcasting. The front-en...

    $407 Average bid
    $407 Avg Bid
    7 bids

    I have developed a brand-new digital coin concept—think “next-gen Bitcoin”—and I now need a clear, actionable plan for which bank to approach first. I am open to both Suisse and American institutions, but reputation and rock-solid trustworthiness are absolute must-haves. Beyond that, I want a banking partner that will actively help with marketing and promotion once the deal is in place. Here is what I need from you: • A concise shortlist of the Swiss and U.S. banks that fit these criteria, with a brief rationale for each pick. • Key decision-makers’ names or departments, plus the most effective way to open the conversation with them. • An outline of how each bank could structure or support a promotional campaign for the coin design. ...

    $629 Average bid
    $629 Avg Bid
    5 bids

    I want a working proof-of-concept clock that does much more than tell the time. The device will be built on custom hardware, drive an OLED display, and continuously mine Bitcoin, Ethereum and Litecoin in the background. Two screen modes are required: • Clock mode – shows a clean, legible digital time display. • Crypto mode – fetches the current Bitcoin price via a live API and reveals a QR code linked to my Cash App wallet. Access to the QR code must be gated by a fingerprint reader. During initial setup I’ll enrol my print; later, when I touch the sensor, the device instantly switches to Crypto mode and shows the code. A button-press (or another touch) returns to Clock mode. Core expectations – Design the full electronics stac...

    $518 Average bid
    $518 Avg Bid
    26 bids

    ...adoption, and digital-asset markets worldwide. Scope I’m looking for a clear, engaging piece that combines solid journalism with accessible financial insight. Please weave in: • A concise recap of the ceremony and key statements from Warsh. • Background on his previous comments or policy work related to cryptocurrencies. • Analysis of potential short- and long-term market implications for Bitcoin, Ethereum, stablecoins, and emerging DeFi sectors. • Reactions or quotes from credible economists, crypto founders, or institutional investors. • Relevant data or charts (links are fine) illustrating immediate market moves or historical precedents. Style & Length Aim for 900–1,200 words, written in an objective yet readable tone that sui...

    $19 / hr Average bid
    $19 / hr Avg Bid
    24 bids

    ...Requirements: - User registration and login system for both customers and admin accounts - Secure payment gateway integration - User-friendly navigation and search functionality - Detailed product pages for peptide supplements and research chemicals - Educational content to inform and educate users about our products - Mobile-responsive design - SEO optimization to enhance visibility -WooCommerce -bitcoin payment processor for my website Ideal Skills and Experience: - Proven experience in developing secure e-commerce websites - Familiarity with peptide supplements and research chemicals - Strong understanding of SEO and mobile responsiveness - Excellent UI/UX design skills - Ability to create educational content Please provide a portfolio showcasing similar projects. Looking...

    $434 Average bid
    $434 Avg Bid
    169 bids

    ...Requirements: - User registration and login system for both customers and admin accounts - Secure payment gateway integration - User-friendly navigation and search functionality - Detailed product pages for peptide supplements and research chemicals - Educational content to inform and educate users about our products - Mobile-responsive design - SEO optimization to enhance visibility -WooCommerce -bitcoin payment processor for my website Ideal Skills and Experience: - Proven experience in developing secure e-commerce websites - Familiarity with peptide supplements and research chemicals - Strong understanding of SEO and mobile responsiveness - Excellent UI/UX design skills - Ability to create educational content Please provide a portfolio showcasing similar projects. Looking...

    $6 / hr Average bid
    $6 / hr Avg Bid
    81 bids

    ...Requirements: - User registration and login system for both customers and admin accounts - Secure payment gateway integration - User-friendly navigation and search functionality - Detailed product pages for peptide supplements and research chemicals - Educational content to inform and educate users about our products - Mobile-responsive design - SEO optimization to enhance visibility -WooCommerce -bitcoin payment processor for my website Ideal Skills and Experience: - Proven experience in developing secure e-commerce websites - Familiarity with peptide supplements and research chemicals - Strong understanding of SEO and mobile responsiveness - Excellent UI/UX design skills - Ability to create educational content Please provide a portfolio showcasing similar projects. Looking...

    $3 / hr Average bid
    $3 / hr Avg Bid
    71 bids

    ...Requirements: - User registration and login system for both customers and admin accounts - Secure payment gateway integration - User-friendly navigation and search functionality - Detailed product pages for peptide supplements and research chemicals - Educational content to inform and educate users about our products - Mobile-responsive design - SEO optimization to enhance visibility -WooCommerce -bitcoin payment processor for my website Ideal Skills and Experience: - Proven experience in developing secure e-commerce websites - Familiarity with peptide supplements and research chemicals - Strong understanding of SEO and mobile responsiveness - Excellent UI/UX design skills - Ability to create educational content Please provide a portfolio showcasing similar projects. Looking...

    $182 Average bid
    $182 Avg Bid
    164 bids

    BRAND NAME: "Rethink Electricity" Contest Title: Premium Logo Design for Energy Abundance Brand "Rethink Electricity" Contest Brief: We need a new logo for a high-end even...energy conversations • A refined brand that could sit beside luxury, finance, infrastructure, and energy institutions We are open to: • Wordmark logos • Monograms • Abstract symbols • Elegant emblems • Minimal luxury marks Please avoid generic lightning bolts, cheap tech graphics, cartoon styles, or overly busy conference-style logos. We want something refined, memorable, premium, and timeless. Bitcoin may be part of the broader context, but the logo should be energy-focused first, not crypto-focused. Final files should include vector formats, transparen...

    $20 Average bid
    Guaranteed
    $20
    1218 entries

    I need a production-ready crypto exchange site that lets users trade on a live spot market with Bitcoin, Ethereum, Ripple and USDT from day one, with the option to add more pairs later. Real-time order books, depth charts, trade history and WebSocket price feeds should feel as fast as the major exchanges. Security is the main priority. The build must ship with strong account protection (2FA, email/SMS verification), cold-wallet segregation for the majority of funds, hot-wallet limits, and an architecture that can absorb DDoS spikes without downtime. Please plan for regular penetration testing and clear audit logs. A clean React (or Vue) front-end talking to a Node.js, Go or comparable back-end is preferred, but I’m open to other proven stacks if you can demonstrate equal or ...

    $1883 Average bid
    $1883 Avg Bid
    31 bids

    ...build a complete crypto payment infrastructure for an existing Node.js and Express web application. The system needs to generate unique HD wallet deposit addresses for each user using BIP44 derivation for Bitcoin, Ethereum, Litecoin, and Solana. When a user deposits crypto to their unique address the system must detect the transaction, verify it on-chain, credit the user's USD balance in the database, and immediately sweep the crypto to the owner's personal wallet. The system must handle ERC20 token deposits for USDT and USDC on Ethereum addresses, detect blockchain reorgs, handle Bitcoin RBF transactions, and include a gas top up bot for Ethereum sweeps. All balance updates must use atomic PostgreSQL transactions with row level locking and an immutable ledger mu...

    $1520 Average bid
    $1520 Avg Bid
    64 bids

    I’m ready to enter the crypto market and need clear, actionable advice before committing funds. My primary goal is diversification, with interest spread across Bitcoin, Ethereum, and a range of altcoins. Here’s what I need from you: • A concise overview of how much capital it makes sense for a new investor like me to start with, broken down into suggested allocations for Bitcoin, Ethereum, and altcoins. • Realistic profit-projection scenarios (best case, average case, and conservative case) over 6-, 12-, and 24-month horizons, including potential downside risks. • A brief explanation of the main factors that influence price movements for each chosen asset. • Practical guidance on the safest buying, storage, and rebalancing methods&md...

    $400 Average bid
    $400 Avg Bid
    10 bids

    ...topics or fields you can choose as a freelance writer), here are the main ones you can specialize in: Popular freelance writing subjects 1. Technology Apps, gadgets, AI, software Example: writing about tools like ChatGPT or new tech trends 2. Health & Fitness Workouts, mental health, nutrition Important: must be accurate and responsible 3. Finance Saving money, investing, crypto Example: explaining Bitcoin 4. Education Study guides, online learning, student tips Content for schools or platforms like Coursera 5. Travel City guides, tips, experiences Example: writing about Paris or other destinations 6. Lifestyle Daily life, productivity, habits, relationships 7. Business & Marketing SEO, advertising, branding Content for companies and startups 8. Entertainment Movies, musi...

    $10 / hr Average bid
    $10 / hr Avg Bid
    28 bids

    ...topics or fields you can choose as a freelance writer), here are the main ones you can specialize in: Popular freelance writing subjects 1. Technology Apps, gadgets, AI, software Example: writing about tools like ChatGPT or new tech trends 2. Health & Fitness Workouts, mental health, nutrition Important: must be accurate and responsible 3. Finance Saving money, investing, crypto Example: explaining Bitcoin 4. Education Study guides, online learning, student tips Content for schools or platforms like Coursera 5. Travel City guides, tips, experiences Example: writing about Paris or other destinations 6. Lifestyle Daily life, productivity, habits, relationships 7. Business & Marketing SEO, advertising, branding Content for companies and startups 8. Entertainment Movies, musi...

    $239 Average bid
    $239 Avg Bid
    28 bids

    ...topics or fields you can choose as a freelance writer), here are the main ones you can specialize in: Popular freelance writing subjects 1. Technology Apps, gadgets, AI, software Example: writing about tools like ChatGPT or new tech trends 2. Health & Fitness Workouts, mental health, nutrition Important: must be accurate and responsible 3. Finance Saving money, investing, crypto Example: explaining Bitcoin 4. Education Study guides, online learning, student tips Content for schools or platforms like Coursera 5. Travel City guides, tips, experiences Example: writing about Paris or other destinations 6. Lifestyle Daily life, productivity, habits, relationships 7. Business & Marketing SEO, advertising, branding Content for companies and startups 8. Entertainment Movies, musi...

    $18 / hr Average bid
    $18 / hr Avg Bid
    64 bids

    I need an algorithm to automate swing trading for the Bitcoin/Ethereum pair. Key Requirements: - The algorithm should be able to execute trades automatically based on predefined swing trading strategies. - It must specifically trade the Bitcoin/Ethereum pair. - The solution should include risk management features to minimize losses. Ideal Skills and Experience: - Experience in developing trading algorithms, particularly for cryptocurrencies. - Strong understanding of swing trading strategies. - Proficiency in coding, preferably in Python or similar languages. - Knowledge of cryptocurrency markets and the Bitcoin/Ethereum pair dynamics. - Ability to implement robust risk management protocols. Looking forward to your bids!

    $304 Average bid
    $304 Avg Bid
    8 bids

    ...clean, modern logo for my new cryptocurrency-mining company and I need it fast—final files must land in my inbox within 1–4 hours of awarding the project. The brand is tech-forward and trustworthy, so sleek lines and a professional finish are a must. Style • Must feel modern (no retro or overly ornamental treatments). Creative direction I’m open on colour and iconography; if you feel a Bitcoin mark, a subtle pickaxe, circuit traces, or another mining/crypto motif will strengthen the concept, go for it. What matters most is that the result looks cutting-edge and instantly signals “crypto mining” to investors and partners alike. Deliverables • Primary logo in vector (AI/SVG) and high-res PNG with transparent background • One...

    $19 Average bid
    $19 Avg Bid
    92 bids

    ...If yes, keep reading. What we are. A BVI-registered private investment fund deploying capital into oil, gas, and uranium — with performance measured in Bitcoin. Not because it’s fashionable. Because it’s honest. Two decades of ESG-driven capital flight have created one of the most asymmetric setups in hard assets in a generation. Physics doesn’t care about narratives. We’re here to profit from that gap before it’s priced in. What we need from you. You already operate in rooms where hard money, energy realism, and contrarian investing are normal conversation — not controversial ones. Your network includes high-net-worth individuals, Bitcoin-native investors, family offices, or serious private investors with an appetite for real as...

    min $100000
    min $100000
    0 bids

    ...blended into a different photo so it looks like I was really there. Feel free to choose a suitable background image that best matches my pose and lighting; just make sure the final scene feels authentic. Key edits I need: • Seamlessly blend my face onto the chosen body, keeping skin texture, pores, and hair details crisp. • Remove any existing text or logo on the shirt and replace it with a clean Bitcoin logo that sits naturally in the fabric folds. • Grade the entire image in neutral tones—grays, blacks, and whites—so the result feels consistent and stylish. • Adjust lighting, shadows, and color balance so nothing looks pasted or fake. The final file should be delivered in high-resolution JPG and PNG, ready to drop straight onto social med...

    $87 Average bid
    $87 Avg Bid
    30 bids

    ...self-driven freelancers to take ownership of the work. The first batch of tasks centers on building and refining WooCommerce stores, but I’m open to Magento or any platform you can justify as the better fit. Core requirements you must be comfortable with: • Product pages that let customers tailor options before checkout • Fast, intuitive search and filtering across large catalogs • Full Bitcoin and alt-coin payment integration—this is non-negotiable and the very first item I’ll test I’ll supply brand guidelines, layout ideas and the initial product data; you bring the technical setup, plugin selection or custom code, and a clear plan for going live. After we discuss each site privately, I’d like a fixed-price quote along with y...

    $250 - $750
    Sealed
    $250 - $750
    92 bids

    I need help to recover Bitcoin that went missing after a series of mining-related transfers failed and fees were deducted. The sole objective is to recover lost Bitcoin; no penetration testing or educational demonstrations are required. I will supply full Transaction IDs and all associated details so you can trace what happened on-chain, pinpoint where the funds are currently held, and propose a lawful path to retrieve them. If additional information—such as wallet addresses, mempool screenshots, or further blockchain explorer links—will speed up your investigation, let me know and I will provide it promptly. Please have a proven background in Bitcoin wallet recovery, blockchain forensics, cryptography, or similar disciplines. Familiarity with tools like ...

    $561 Average bid
    $561 Avg Bid
    10 bids

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