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    10,561 blockchain jobs found, pricing in SGD

    Hello, In way to run an new service in crypto domain, like an web wallet who allow each user to download an control the private key, we need an expert on crypto dopain / blockchain for create this new service. Quick brief : for sample with PIVX COIN User able to : - create wallet - send and receive coin - check transaction history - download the privatekey locally. for reduce all risk of hack...

    $694 (Avg Bid)
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    14 bids
    ECDSA Project 6 days left
    VERIFIED

    Simulate a blockchain (encrypted with ECDSA) with two transactions, preferably using the Java's Bouncy Castle (but other languages are acceptable too). The output should be a JSON containing the transaction and block hash, signature and other transaction details. Requirements can be found in the word document attached.

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    4 bids
    EDCSA Blockchain Project 6 days left
    VERIFIED

    Simulate a blockchain (encrypted with ECDSA) with two transactions, preferably using the Java's Bouncy Castle (but other languages are acceptable too). The output should be a JSON containing the transaction and block hash, signature and other transaction details. Requirements are uploaded in the word document.

    $121 (Avg Bid)
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    5 bids

    We are building decentralized crowdfunding marketplace for startups/entrepreneurs/innovators. I need someone with solid blockchain ethereum development background and Artificial Intelligence development for prediction/recommendation/optimization and AI bot for advisory and customer support

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    Anchors are entities that people trust to hold their deposits and issue credits into the Stellar network for those deposits. All money transactions in the Stellar network (except lumens) occur in the form of credit issued by anchors, so anchors act as a bridge between existing currencies and the Stellar network. Using the Stellar protocol, 2 organizations transacting together agree to use a sta...

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    Blockchain dev in unity 6 days left
    VERIFIED

    Experienced Blockchain developer in Unity3d . Urgent requirement. Kindly contact only if u experinced in integrating blockchai in unity

    $237 - $711
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    0 bids

    Blockchain expert needed to solve some questions

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    Blockchain Tutor 6 days left

    I need a blockchain tutor to be paid per hourly lessons

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    I would add the following features: I need to develop a payment gateway with blockchain, so that users can buy and exchange payments and also being able to do transactions at events and points of sale through a Rfid bracelet connected to their app. I want to be able to release transactions on the wallet like cash app and use the bracelet for events, points of sale, etc with blockchain. like the l...

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    A professional team for designing and developing a crypto game according to our reference game. (Please note All characters and graphics are designing with other company) Multi-Languages 3 payment methods 1- Crypto currencies payment 2- PerfectMoney & WebMoney 3- Fiat payment (Special bank card and bank account- API is available) and ...etc. This project requires experience in the following ...

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    project sadim 5 days left

    My name is Jay and I am a 33yr old entrepreneur. Im currently in need of a developer who has expertise in building blockchain as I'm gonna need one built for a new start-up I'm currently starting. I need a blockchain built for a system for trading crypto assets from an app. I need a developer to design software from scratch to receive and send crypto assets at a high frequency speed as w...

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    We are trying to build and run the blockchain demo program from IBM in python (we will send URLs with instructions when connected as this website blocks URLs in the message) on Windows Machine (Windows 8 and 10) We have followed the instructions to the letter on various machines. Our main error seems to be a page cannot be displayed 404 error after submitting data in the web app at [login to vie...

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    Blockchain Training 5 days left
    VERIFIED

    Hi I am looking for someone who can provide a training on block chain. Anyone with experience and good command over English can approach

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    We are looking for AFFILIATE MARKETERS that understand the CPA model. ONLY CPA!!!!!! NO-Downpayment! NO-Advance Payment! Our Blockchain TO project is kicking-off the second stage of its development. For this, we need capable, competent affiliates to market our service across multiple platforms. CONDITIONS: - We do NOT pay any advance payments, NO fee payments, NO posting costs; - We a...

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    I need you to write some content for blockchain related project

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    I need a simple prototype/MVP where: 1. user logs in submits a request+video from their phone for viewing of 3 expert members 2. The video is stored on a server, hash of the video stored on the blockchain 3. experts login and view the video and accept/reject the request. 4. the outcome of voting is recorded on the blockchain -- no backend management needed at this stage - pre-set accounts requ...

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    Good afternoon, engineers and programmers.  I need to evaluate Blockchain technology in communication and data network security using the Ethereum technique to ensure reliable access and use of information with data. -I need to compare conventional security solutions with Blockchain Ethereum technology. -I need to design a data network and a proof of work protocol is established -Proof of ...

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    I need code for React Native blockchain chat decentralized mobile App with P2P encryption Developing platform is Windows : so I do have ONLY Windows computer Clear instructions needed how to install and use code Fully decentralized APP for Android and iPhone (NO SERVER used) : 1 app is installed on each client mobile 2 they communicate independently 3 encryption for client to cli...

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    We are interested in finding individual/company to manage already running website. Website is a fiat-to-cryptocurrency exchange. For the purpose of collaboration we expect: *administration of the website (maintenance, including backups, monitoring the website, acting in case of potential breach/attempts to breach security systems) *minor fixes *skills related to payment processors & blockchai...

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    I am looking for a tech person who can start working with me on a start up in the field of blockchain

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    It's a mining farm powered by energy solar in Portugal. I need a blockchain consensus full Proof of stake for the company and the main activity mentionned. The POS coin going the asset of company, we want also distributed the 40 % of the profit company at our best owners, the kind of dividend. If you have knowledege and the skill for build a POS/Masternode coin and keep the chain update ...

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    I am a highly experienced Data Scientist and visualization professional with a focus on maximizing customer satisfaction and exceeding business objectives with conscientious and detail-oriented approaches. I have proven track record in data science, data visualization, data analysis and databases management. I hold Higher National Diploma (HND)7 Mininerals processing Engineering, and currently I ...

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    Blockchain development 4 days left
    VERIFIED

    We need to create blockchain for our internal use, please bid only when u already created blockchain and wallets (window,mac).

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    Code for bitmex binance trading. I need a developer who can write code for our trading bot to connect to Binance through their API and perform the usual tasks like placing orders, buying, selling etc. You will be working with our developer so that the code can be extended upon by us in case we need so in the future. You must work with Laraval and blockchain experience would be a plus

    PHP
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    The *World's Best* 24-site network creating pages to honor Family, Friends and Colleagues: Celebrate your Mother at [login to view URL] Surprise your Supervisor at [login to view URL] Show your Schnauzer at [login to view URL]! Need current, boring sites to be FUN, FAST and FUNCTIONAL. Will consider no more than 1% of company ownership to best software architecture, including apps (Andro...

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    Looking for someone to write website content for Technology company. The following topics need to covered: 1. Blockchain Consulting 2. Artificial Intelligence 3. Machine Learning 4. Data Science 5. Augmented Reality 6. Internet of Things 7. Cryptocurrency - Payments 8. Mobile App Development The above topics need cover a brief description, products/services the company can offer in each field. ...

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    I need code for APP: React Native Front End and Python Back End blockchain messenger/chat with encryption MAIN POINT : teach me (I have no experience with React Native, but have experience in Python ) how to use and install this code !!! I do not have experience with Apps Developing platform is Windows : so I do have ONLY Windows computer Fully decentralized APP (NO SERVER used) : 1 ...

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    In this project you will build a normal crypto exchanger software which will allow the user to purchase Bitcoin, Bitcoin Cash, Ethereum, Litecoin, and our newly created erc20 Token. The user must also have an Address/Wallet from where they can buy and sell, but most importantly, store their currencies. Any themes required will be provided by us. Experience in App and Website development, experien...

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    User will be able to send messages with their transactions to the bitcoin blockchain by entering a string in a text field, this string will be included in the OP_RETURN field in the transaction which will be automatically performed using the library Thus using this library you just need to implement text fields asking users for keys and message and use them to make the transaction and send the dat...

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    I am looking for a complete and working fork of Tron blockchain.

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    Hi, I need to hire a Wikipedia writer who has successfully submitted his or her work to Wikipedia for my blockchain company. These are some of the source material on Overbit. Website: [login to view URL] Blog: [login to view URL] Press Release (Launch): [login to view URL] Press Release (Coinfirm partnership): [login to view URL] About Overbit: Overbit is a leading online Bitcoin deriva...

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    Please read it! I want you to make software. It is able to find the private key from the address of the bitcoin cache, so I am looking for a good programmer who knows nothing about it. It may not send a message if the required skills do not include bitcoin, blockchain, transactions, etc. We'll pay a deposit of 100 dollars. I will use the software to find the private key from the address and i...

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    Must have , 1. Atleast one feature image 2. 500 - 700 words 3. Unique content For tech - Devops , AI/ML ,Blockchain , current technology used in times Good bloggers based on likes will get free ad space ! Looking for 5 blogs for 600 Rs and need 10 blogs over a period of time. If you can generate traction , then we can pay you depending upon traffic and content.

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    looking for high level technologist in blockchain , NNs, C++, UIUX, Python, GPU

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    More details i will give in private messages !

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    1- Create PowerPoint slide for the following topics: a. What is Blockchain. b. Types of Blockchain. c. Blockchain applications examples. d. How to develop Blockchain and cryptocurrency using JavaScript – This is the main contain of the slides, I need you to explain how to develop the cryptocurrency and blockchain step by step from scratch with JavaScript code. 2- You can use any online sourc...

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    I am looking for Blockchain expert. I would like to prefer company for this project. Via chatting I will discuss more detail.

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    1. Create a masternode coin like pivx 2. Create block explorer 3. Create QT wallets ( Win - 32-64, Linux, Mac ) 4. Publishing source code in github [login to view URL] masternode guide 6. guide to install the seednode Please note : I require only professional developers , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake I am a new blockchai...

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    I need someone to modify Ultimae Payment script for my osclass website. Currently the only cryptocurrency it works with is Blockchain, I need it to work for Coinbase Commerce

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    I need someone to modify Ultimae Payment script for my osclass website. Currently the only cryptocurrency it works with is Blockchain, I need it to work for Coinbase Commerce

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    I need a laravel expert for development works on my site. you must have 3 years of experience in laravel and BLOCK CHAIN DEVELOPMENT. Right now I will give you just one or two tasks, if i like i may hire you in the future. Bid on this project only if you have the above qualities. Present Task # Server Billing Issue Some people see there bill is higher u need fix this

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    I need code for React Native Front End and Python Back End Decentralized blockchain messenger with encryption MAIN POINT : teach me (I have no experience with React Native, but have experience in Python ) how to use and install and customize this code !!! Since I do not have experience with Apps development , You can see from links below it is not big deal to develop this kind of code, si...

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    * translate technical article * from EN to German * articles are about blockchain, technology, IT

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    At least 1-year experience developing blockchain applications, Dapps, or proof-of-concepts using Hyperledger, Ethereum or similar Preferred - At least 1-year experience developing distributed applications with Java or similar JVM languages - Experience developing RESTful services with Spring Boot or similar - Experience developing Android applications - Experience with maven or gradle - Experienc...

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    Research Paper on Blockchain 17 hours left
    VERIFIED

    Hi, I would need a 6 page research paper on Blockchain which has - How Blockchain can affect various industries in future. - APA 6 format - Should have a passage about how you will train people as a manager in Blockchain

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    Existing Ecommerce Website requires bitcoin payment gateway utilization and install via Blockchain API. (API Key Provided) Require payment processed email sent to store once bitcoin payment has cleared. Install on bespoke ecommerce store coded in php Please confirm experience in proposal and project details. Thanks

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    I need a laravel expert for development works on my site. you must have 3 years of experience in laravel and BLOCK CHAIN DEVELOPMENT. Right now I will give you just one or two tasks, if i like i may hire you in the future. Bid on this project only if you have the above qualities. Present Task # Server Billing Issue Some people see there bill is higher u need fix this

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    Paper on Blockchain 15 hours left

    A paper on Blockchain with how it can affect various industries. How a manager can gets his peers trained in Blockchain Security threats and Measures Free of Plagiarism

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    Web Traffic 10 hours left

    Hi, I am developing a website in order to educate and inform people about blockchain and cryptocurrencies. That page will have a section where I will make the recommendations of the companies that I represent.

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    Hello i'm searching for cryptonote expert (C++ based blockchain)

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