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    21,347 bitcoin työtä löytyi, hinnoittelu EUR

    PSD file should be encoded in HTML5 as a page, where the game area is a canvas area and the game has three different colored coins that come down along a predetermined path. The database is a MySQL database, which is pre-coded. Player makes bitcoin transfer us, and the transfer is calculated to 20-digit binary number which determines a coin shop. 0 = right and 1 = left. Binary and bitcoin transfer calculation are encoded completed, but the playing area and mainsite should be encoded bit in the same style as has been done site. This would be good to manage HTML5, Canvas Advanced Animation Toolkit, jQuery, Windows animateframe, maybe socket open. Mysql database is complete, 20-digit binary number and the database is ready, but the game on the site is not yet as a PSD file. The...

    €1396 (Avg Bid)
    €1396 Keskimäär. tarjous
    3 tarjoukset

    Hello! I'm looking for somebody to help me integrate BTCPayServer with Monero (XMR) and Bitcoin (BTC). Specifically, I need integration of the wallet and exchange components and have existing APIs to work from. The existing payment gateway I'll be using is BTCPayServer. BTCPayServer API: Documentation: Endpoints: The BTCPayServer API provides a range of endpoints for accessing and managing payment processing, including creating invoices, getting payment details, and managing payment methods. Monero API: Documentation: Endpoints: The Monero API provides endpoints for accessing information about blocks, transactions, and addresses on the Monero blockchain. It also includes endpoints for creating

    €7 - €23 / hr
    Mainostettu Kiireellinen Sinetöity
    €7 - €23 / hr
    16 tarjoukset
    I want buy tether 4 päivää left

    I want buy tether bitcoin tell me about good price

    €24 (Avg Bid)
    €24 Keskimäär. tarjous
    3 tarjoukset
    Crypto coins exchange. 3 päivää left
    VARMENNETTU

    I am looking for a freelancer to develop a crypto coins exchange that supports Bitcoin. I do not need a wallet system for storing coins and will not require a web-based user interface for exchanging coins. The project should support transactions involving Bitcoin, and no other coins. Any other additional features should consult with me before implementing.

    €10670 (Avg Bid)
    €10670 Keskimäär. tarjous
    2 tarjoukset
    Simple Cryptocurrency Faucet Website 3 päivää left
    VARMENNETTU

    I am looking for an experienced developer to create a simple Cryptocurrency Faucet website. I do not need hosting services, but the website should have basic levels of interactivity so that users can easily and quickly access the faucet services. The website should be user-friendly, secure, and efficient. I am open to suggestions as to how to best achieve this. The most important thing is...Cryptocurrency Faucet website. I do not need hosting services, but the website should have basic levels of interactivity so that users can easily and quickly access the faucet services. The website should be user-friendly, secure, and efficient. I am open to suggestions as to how to best achieve this. The most important thing is that it connects users easily and quickly to cryptocurrencies such as Bi...

    €361 (Avg Bid)
    €361 Keskimäär. tarjous
    37 tarjoukset

    Blockchain became popular after the introduction of Bitcoin in 2009. While cryptocurrency and other blockchain-related financing have a reputation for being volatile and speculative, there is widespread agreement on the value of blockchain technology and other forms of distributed ledger technology in finance.

    €11 / hr (Avg Bid)
    €11 / hr Keskimäär. tarjous
    2 tarjoukset

    Blockchain is one of the most rapidly growing digital technologies in recent history, and its revolutionary decentralised model is being adopted by a wide range of industries. Part of its popularity stems from cryptocurrency, which is now a decade old—by 2009, the year Bitcoin, the first established cryptocurrency, was launched Blockchain development is rapidly becoming a major area of focus for companies and organizations across the world. It has the potential to revolutionize how businesses operate, from streamlining financial transactions to creating secure and transparent networks. With the help of distributed ledger technology, blockchain development can provide a secure platform for data storage and transfer, as well as facilitate smart contracts that enable more efficie...

    €8 / hr (Avg Bid)
    €8 / hr Keskimäär. tarjous
    1 tarjoukset

    NEEDED FOR IMMEDIATE START, DO NOT SEND YOUR BID REQUEST IF YOU ARE NOT GOING TO RESPOND TO MESSAGES INSTANTLY. Basic Overview: MyBB 1.8.3 forum plugin that gives the forum/community the ability to trade via an automated escrow system using Bitcoin. The plugin should not rely on any 3rd party payment gateways. It should give an option in the MyBB Admin control panel to customise certain functions of the escrow such as; Escrow Fee (the percentage that is added on-top of the transaction) If a buyer or seller is making a transaction for $100 in BTC and our current fee is set to 10% then there should be 3 scenarios. Scenario 1) The creator of the trade chooses an option that the Buyer will pay the fee. This adds the 10% on-top of the BTC payment. Scenario 2) The creator of the trade ...

    €448 (Avg Bid)
    €448 Keskimäär. tarjous
    22 tarjoukset
    Crypto Wallet 2 päivää left

    I want an experience developer to work on this project for me. A crypto wallet that has everything can send, receive, store and convert crypto coins. That support coins like: bitcoin, ethereum ,shiba, matic, bnb, and other 10 of it. It must be able to generate address and private keys. Must be secured and be able to go on the blockchain.

    €837 (Avg Bid)
    €837 Keskimäär. tarjous
    26 tarjoukset
    Shobaik logo 2 päivää left

    I want to make logo as coins like bitcoin colour is silver background black inside the coins name (Shobaik) and lamb of alaaaldin something like attached file

    €61 (Avg Bid)
    €61 Keskimäär. tarjous
    159 tarjoukset

    Create a modern cryptocurrency website from designs Tech: + Typescript + TailwindCSS MERN stack Goal: Build a cryptocurrency gambling website from PSD designs and requirements provided and discussed (google docs). Must be fully secure and fully tested with no bugs or issues. Experience Needed: - Send an example of your previous experience with Full Nodes ("Bitcoin Core" for Bitcoin and "Geth" or others for Ethereum) -Send an example of your previous experience making Desktop/Mobile responsive websites -Send an example of your previous experience accurately converting a PSD design to a fully responsive website using MERN stack (or similar stacks) Timeline: ~45 days

    €17435 (Avg Bid)
    €17435 Keskimäär. tarjous
    71 tarjoukset
    Antminer Scanner 8 tuntia left
    VARMENNETTU

    We are looking for a re-write of a free Windows application called BTCTools-v1.3.3 which is used to scan Bitcoin Miners manufactured by the Bitmain Company in China. You can download this application for free from their website. We want the new application to have the same feature-set but add the following functionality: Scans with auto-save by Sequential number or Date-and-Time. We choose the scan-schedule e.g. every X minutes ability to change ASIC passwords (you can find this in the also-free APMinerTool from Bitmain but we need this integrated) listing of the actual sub-model type of the ASIC. For example an “S19J Pro 104T” appears as just “S19j Pro” in BTC Tools, but there is an API-call that would return the full S19J Pro (104T) for example) of...

    €407 (Avg Bid)
    €407 Keskimäär. tarjous
    16 tarjoukset

    installation linux ubuntu private server to connect multiple asics on this server for solo mining 1-doge coin et ltc en dual 2 bitcoin 3-qwerty coin server live stats of méning

    €378 (Avg Bid)
    €378 Keskimäär. tarjous
    8 tarjoukset

    ...scalable back-end system and assist in developing the project architecture. You need to Build and maintain server code bases. Collaborate with client-side developers and the content team. Identify and resolve issues with the security and reliability of back-end systems. You need experience developing the large-scale backend system for real-world applications, strong knowledge of blockchain eg. Bitcoin, Ethereum, Ripple, etc., experience with frontend- React + NextJS + HTML + CSS, Ruby, Rails, Docker, Postgres, Backend- Node + Express + MongoDB or MySQL + Redis, XRPL etc .. almost covering all frameworks and libraries. You should be comfortable wandering around unexplored application/game design / virtual world territory, and excited to contribute to refining ideas. You must col...

    €168 (Avg Bid)
    €168 Keskimäär. tarjous
    9 tarjoukset

    I need a website promoting our business that includes mining remotely, web - hosting advices are welcome, and I must mention in advance that our company pays directly on your VISA card or Crypto (Bitcoin, Etherium) wallet. Thanks in advance, Ricardo Alvarez

    €48547 (Avg Bid)
    €48547 Keskimäär. tarjous
    28 tarjoukset
    Trophy icon Looking to make a Crypto Token Design 5 päivää left

    Hello all! We are launching a new token and need help to design a snazzy looking gold token for our logo. Project has 2 Parts: 1. Design the logo/token 2. Once winner is selected, place the logo onto the face of image near a stack of coins. (Demo provided in Bitcoin Gold Coins) I am not sure which font will be best for the design, so far I made a simple logo that I am uploading which uses the font "Cinzel" but I am open to other ideas. The look: Should be bright and energetic, but also raw and modern. 1. The centerpiece: I have an image that I am using with a buy standing with his back to the camera in a hood. This character is the focal point. Would like primarily the charachter on the design, possibly in a silouette format, but can also include elements on the ba...

    €46 (Avg Bid)
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    €46
    29 työtä

    hi guys i want someone write top notch articles on cryptocurrency, bitcoin, nft and blockchain

    €687 (Avg Bid)
    €687 Keskimäär. tarjous
    28 tarjoukset

    Inversión en blockchain y empresas La primera opción es tan simple como ir a la bolsa de valores y comprar acciones o productos financieros de ciertas empresas. En la segunda opción es posible conseguir ETF que repliquen el rendimiento del Bitcoin u otras criptos, pero sin el riesgo invertir en ellas directamente.

    €100 (Avg Bid)
    €100 Keskimäär. tarjous
    3 tarjoukset

    describe the concept of utxo from creation of transaction in bitcoin to the verification of transaction. requirements: backend working implementation of databases that are used in project implementation of utxo in bitcoin technology modification of utxo

    €330 (Avg Bid)
    €330 Keskimäär. tarjous
    5 tarjoukset

    Im looking to get an instance of the DurgerKingBot bot on telegram (github repositories available) edited for an online store i have. I will need the bot to offer the option of paying with cryptocurrencies (bitcoin and monero) as well as the already integrated stripe payments. The bot will need to send receipts to customers and packing lists to the bot admins. The code will need to written in such a way that elements of the bots functionality can be simply turned off and on with simple changes to statements in the code. The bot should be written in primarily python script.

    €225 (Avg Bid)
    €225 Keskimäär. tarjous
    16 tarjoukset
    Telegram Store -- 2 Loppunut left

    Needs bitcoin payment api, in-line product pricing. Bot is a replica. We have the code base in python.

    €498 (Avg Bid)
    €498 Keskimäär. tarjous
    40 tarjoukset

    so I have failed to make my own code to buy and sell shares to mitigate loss and make it mostly profit with close to no losses, someone that knows how stocks work as well as coding is preferred. these are the parameters I've set - watch bitcoin stock price live as it changes through alpaca API - sell all the stock if the stock starts losing value - buy the stock if the stock starts gaining value using all the money earned from selling - needs a GUI to show profit, losses, and total money made, aswell as how many times the program issued and sucsuesfully bought and sold stock. - using alpaca API or any software that allows me to connect to market software to buy and sell with a program. - and I would like it to refresh every 5-10 seconds to watch the price and let the algorithm...

    €5286 (Avg Bid)
    €5286 Keskimäär. tarjous
    48 tarjoukset

    Hello, I need to prototype a website (with a basic mobile site) for a real ...following elements: 1. Landing page with a project description a nice 3d graphic animation of a generic building exploding in different voxels 2. Login: access of registered users. 3. Marketplace of different real estate units that will be divided into tokens. Each unit should have photos, a description and a simple profitability graphic. 4. Shoping chart & payment with credit card, mercadopago, bitcoin and/or other.s 5. Legal Infomation 6. Contact form. 7. Administrator (private) view with all the information of the site's interactions. 8. Registration and authentication of users. 9. Data set with all the data. Each user can buy tokens (a portion of a unit) that should be supported in blockc...

    €785 (Avg Bid)
    €785 Keskimäär. tarjous
    40 tarjoukset

    ... The outlines make text and edges really stand out. The color scheme gives off the type of futuristic vibe consistent with the trend of those who hold bitcoin. Our focus is the Caribbean, specifically the Dominican Republic. Our sections include :Puerto Plata, Punta Cana, Santo Domingo, Etc My domain is I prefer the freelancer also create the minimalist logo to match the overall color scheme. The freelancer can also coordinate the colors with me, and I will create create a logo elsewhere. Please follow the example VERY CLOSELY because it's almost exactly what I need. Property listings must display current bitcoin price and stable coin price only. we accept (USDT and BTC,). This site only deals with closings paid for with crypto currency. I would like this s...

    €444 (Avg Bid)
    €444 Keskimäär. tarjous
    30 tarjoukset

    It is necessary to develop a multithreaded application in C/C + + that will generate random Bitcoin Legacy,SegwitP2SH,Segwit keys (compress, uncompressed). I will provide the performer with a more detailed text, as well as an example of code in C # (without multithreading)!

    €157 / hr (Avg Bid)
    Salassapitosopimus
    €157 / hr Keskimäär. tarjous
    8 tarjoukset

    .we have to collect two datasets 1 is for bitcoin prices for last 3 months and similary tweets based on bitcoin for last three months now after collecting we have to divide the prices like for 1hr intervel same with the tweets then after we perform sentiment analysis on the tweets now based on the time stamps of the tweets we are thinking to implement in one hour time intervel like the merged data set will have one column with avg sentiment value from that one hour tweets and corresponding bitcoin price details so the dataset will contain sentiment value of corresponding hour ant the bitcoin prices for that respective hour

    €146 (Avg Bid)
    €146 Keskimäär. tarjous
    7 tarjoukset

    Update vBulletin 4.2.2 to PHP 8 + All Installed PluginsThemes Create Automatic Standalone Bitcoin Escrow Plugin for user Trades how

    €13 (Avg Bid)
    €13 Keskimäär. tarjous
    6 tarjoukset

    I need a software to send flash bitcoin/usdt the software requirements as follow: 1. Must remain in the blockchain for period at least 60 days with minimum 6/6 confirmation. 2. Must be able to send any Wallet ((Sigmax, Segwit, Legacy, Segwit/bch32)) 3. must be transferable wallet to wallet for minimum of 8 times before it dissapear from block chain. 4. Software must be available PC and Smartphone's. 5. It must tradable, transferable, splittable and spendable. 6. Lifetime Usage and Access Bot. 7. Cannot be canceled a transaction with bitcoin server please contact only if you are capable to do this, now time wasters please.

    €183 (Avg Bid)
    €183 Keskimäär. tarjous
    4 tarjoukset

    ...writing code for and or using existing DriveWealth trading platforms and linking DriveWealth API. The developer will need to have experience and references in building a digital brokerage app and exchange. Develop is expected to build a working proof of concept prototype of the app for the African market where customers can transfer fiat from a bank account, mobile money, all major credit cards, Bitcoin, SafetyPay, and other global payment sources to their account/wallet on the app/exchange and buy and sell U.S Equalities. The developer will need to program clients' funding, onboarding, and recording. The application will need to be similar to and both build on the DriveWealth platform. 1. Purpose: The purpose of this document is to define the scope

    €4765 (Avg Bid)
    Salassapitosopimus
    €4765 Keskimäär. tarjous
    39 tarjoukset

    ...docs). Must be fully secure and fully tested with no bugs or issues. Experience Needed: - Send an example of your previous experience with Full Nodes ("Bitcoin Core" for Bitcoin and "Geth" or others for Ethereum) -Send an example of your previous experience making Desktop/Mobile responsive websites -Send an example of your previous experience accurately converting a PSD design to a fully responsive website using MERN stack (or similar stacks) Additional Requirements: Provide daily progress updates Develop the website's frontend and backend with database and admin panel Integrate payment gateways with full nodes for cryptocurrencies (Bitcoin Core/Geth/etc) Test the website for bugs and security vulnerabilities Beta test + user feedb...

    €8934 (Avg Bid)
    €8934 Keskimäär. tarjous
    31 tarjoukset

    hi i need mobile aps for bitcoin mining. Please check and give bid for that

    €9 (Avg Bid)
    €9 Keskimäär. tarjous
    2 tarjoukset

    We are a network marketing company that operates in the field of Bitcoin mining. I am looking for consultants who can set up the company's network marketing network worldwide. Consultants are responsible for introducing people or network marketing teams to invest in Bitcoin Investment Base. We need to recruit consultants from all over the world And excellent income conditions are considered for the company's consultants The consultant must have experience leading the network marketing team in similar companies. People who have led a team of more than 1000 people in their work history are given priority. People who can introduce an active team to the company at the beginning of their work their income conditions will be better than others. We are looking for the best...

    €111343 (Avg Bid)
    €111343 Keskimäär. tarjous
    1 tarjoukset

    We are looking for an Blockchain expert with ( Bitcoin + Python Knowledge)

    €15 / hr (Avg Bid)
    €15 / hr Keskimäär. tarjous
    11 tarjoukset

    Update vBulletin 4.2.2 to PHP 8 + All Installed Plugins Create Automatic Standalone Bitcoin Escrow Plugin for user Trades Creater Vendor Plugin: Month Licences with Color Rank and Picture under Name

    €22 (Avg Bid)
    €22 Keskimäär. tarjous
    2 tarjoukset

    We need a dropshipping website and mobile app for offering several types of services. The website must have a gateway payment, bitcoin payment, promo codes, credits, shipping etc

    €1361 (Avg Bid)
    €1361 Keskimäär. tarjous
    86 tarjoukset

    Using ChatGPT to query blockchain data,voice input included, can use any necessary platform if needed Some useful links: Blockchain datatable: An detailed requirements:

    €2463 (Avg Bid)
    €2463 Keskimäär. tarjous
    27 tarjoukset

    hello friends, first of all, I want you to make a standard trading site where I can exhibit my products and receive payment safely. I want a site in the form of delivery. There will be no shipping agreement. We will only make a small change there. As payment, I will only pay with bitcoin. Also, the hosting will be in Europe or another address, and the hosting will stay where you bought it. I would be happy if you give me net prices.

    €138 (Avg Bid)
    €138 Keskimäär. tarjous
    27 tarjoukset

    build a bitcoin predictor using python which checks old and current price to predict new using graphs

    €25 (Avg Bid)
    €25 Keskimäär. tarjous
    12 tarjoukset

    Please create an animation that includes two LC arrows centered and the text "Bitcoin at Your Doorstep" arranged around them. We have enough time to complete this project by March 3rd.

    €19 (Avg Bid)
    €19 Keskimäär. tarjous
    1 tarjoukset

    --Payment buttons: Add a payment button to your website; consider using the Coinbase API to create your Bitcoin buttons. --Custom cryptocurrency payment integration: Create a custom-made Bitcoin API that integrates with your eCommerce platform’s shopping cart --Invoices: Invoice your clients instead of using shopping carts. Coinbase even has an invoice generator tool.

    €48 (Avg Bid)
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    €48
    2 työtä

    Hi talents. I'm looking for a blockchain developer who can fix my issues. I made bitcoin withdraw function in nextjs. It works well on dev mode, but it doesn't work on prod mode. On dev, I don't have any issue because Webpack does not Uglify the code. But in prod I have this problem: error: Expected property "1" of type BigInteger, got n If you works well, it might be long term. If you are interested, please reach out soon. Thanks

    €32 / hr (Avg Bid)
    €32 / hr Keskimäär. tarjous
    36 tarjoukset

    i need a guy who is good in programming for the crypto address generation i want to alter this code , " rom bitcoin import * outfile = open('' , 'w') my_private_key = (45-5) print("Private Key: %sn" % my_private_key) public_key = privtopub(my_private_key) print(public_key) wallet_address = pubtoaddr(public_key) print('my address is : ' +wallet_address) ('my address : '+wallet_address+ 'n') ('my pub key : '+privtopub(my_private_key)+ 'n') ('my hex priv key : ' +my_private_key+ 'n') ()

    €11 (Avg Bid)
    €11 Keskimäär. tarjous
    10 tarjoukset

    i need a guy who is good in programming for the crypto address generation i want to alter this code , " ecdsaPrivateKey = (curve=) print("ECDSA Private Key: ", ecdsaPrivateKey.to_string().hex()) ecdsaPublicKey = '04' + ecdsaPrivateKey.get_verifying_key().to_string().hex() print("ECDSA Public Key: ...prependNetworkByte for x in range(1,3): hash = ((hash)).hexdigest() print("t|___>SHA256 #", x, " : ", hash) cheksum = hash[:8] print("Checksum(first 4 bytes): ", cheksum) appendChecksum = prependNetworkByte + cheksum print("Append Checksum to RIDEMP160(SHA256(ECDSA Public Key)): ", appendChecksum) bitcoinAddress = ((appendChecksum)) print("Bitcoin Address: ", ('utf8')) "

    €11 (Avg Bid)
    €11 Keskimäär. tarjous
    2 tarjoukset

    i need a guy who is good in programming for the crypto address generation i want to alter this code , " ecdsaPrivateKey = (curve=) print("ECDSA Private Key: ", ecdsaPrivateKey.to_string().hex()) ecdsaPublicKey = '04' + ecdsaPrivateKey.get_verifying_key().to_string().hex() print("ECDSA Public Key: ...prependNetworkByte for x in range(1,3): hash = ((hash)).hexdigest() print("t|___>SHA256 #", x, " : ", hash) cheksum = hash[:8] print("Checksum(first 4 bytes): ", cheksum) appendChecksum = prependNetworkByte + cheksum print("Append Checksum to RIDEMP160(SHA256(ECDSA Public Key)): ", appendChecksum) bitcoinAddress = ((appendChecksum)) print("Bitcoin Address: ", ('utf8')) "

    €9 (Avg Bid)
    €9 Keskimäär. tarjous
    6 tarjoukset

    I'm am looking for a book cover for my new cryptocurrency book. My book will be published on amazon KDP and will be part of a book series of my current book (see book cover attached). I also included a book cover of other books that I thought might work as well. I'll need KDP paperback, hardcover and ACX audiobook formats. Book Title - Crypto for Beginners : The 7-Day Insider's Proven Guide to Bitcoin, Crypto and Digital Asset Investing and Ownership without FOMO, Painstaking Research and Costly Mistakes

    €80 (Avg Bid)
    €80 Keskimäär. tarjous
    36 tarjoukset

    We want the script/UI to do the following stuff: - Generate BTC /ETH / USDT Flash Transactions - Define the time that the transaction can remain in the wallet - Define the charges of the blockchain networks for a quick confirmation - VPN and TOR options included with proxy - Option to show whether the transaction gets full confirmation or zero confirmations - Support all wallets - Segwit and legacy address - 100% confirmed transaction - Ability to spend bitcoins on any other address (Segwit address, legacy, Segwit / bch32) - Works with all wallets - Tradable like real BTC/USDT - Can be transferable wallet to wallet more than 5 times minimum Previous experience are preferred

    €121 (Avg Bid)
    €121 Keskimäär. tarjous
    3 tarjoukset
    Trophy icon Redesign of a picture used in a game Loppunut left

    I need a redesign of a background picture displaying a cave. Size of the cave should be more or less as big as the existing. See blue line. Topic is a bitcoin mining app theme matrix. To all, what I need is a new interpretation of the cave and the hole. Not the background inside the hole So create a cave picture with more or less the same dimensions Detailed information Redesign of the existing background picture cave Feel free to design a good looking cave. Painted or photo realistic does not matter. But the Game area should be more or less like the blue marked area. Means just repaint a picture. If I put the 2 pictures overlapping, the cave should have more or less the same size. Design help • As the picture will be shrinked or stretched to fulfill the different phone s...

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    €46
    179 työtä

    Need fullstack developer who can help me to implement Bitcoin currency chart. You have to implement to React using Material UI. If you can, pls inform me. I wants someone could help me as soon as possible.

    €32 / hr (Avg Bid)
    €32 / hr Keskimäär. tarjous
    30 tarjoukset

    Looking for a logo of a 49er miner looking guy with a beard and a pick axe ⛏️ in one and twirling a Bitcoin in the other standing on top of the words “Forty Miners” in gold lettering. See attached images for the idea I’m looking for.

    €6 / hr (Avg Bid)
    €6 / hr Keskimäär. tarjous
    21 tarjoukset
    Trophy icon Design facebook flyer Loppunut left

    View attachment for flyer info Theme should be investing, crypto, and forex The image is the company logo Show how there’s four different investment opportunities. Play 1 should have graphic of forex and oil & gas Play 2 should have a graphic of a package Play 3 should have images of cryptocurrency such as bitcoin Ethereum BNB Play 4 use attachment Play4Graphic

    €9 (Avg Bid)
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    €9
    74 työtä

    Suosituimmat bitcoin -yhteisöartikkelit