Secp256k1 ethereumemplois

Filtrer

Mes recherches récentes
Filtrer par :
Budget
à
à
à
Type
Compétences
Langues
    État du travail
    3,211 secp256k1 ethereum travaux trouvés au tarif de EUR
    PRIAM PROJECT S'est terminé left

    Blockchain, Solidity, Ethereum, hyperledger, Javascript, JSON, WEB3 * Freelance * 300 à 500€/J * PRIAM est une société de conseil spécialisée en blockchain. Afin de pouvoir répondre à une demande croissante de Proof of Concept, nous cherchons un développeur qui pourrait assister sur l'étude d’application de la block...

    €498 (Avg Bid)
    €498 Offre moyenne
    7 offres

    Je recherche quelqu'un pour écrire 50 sujets de 50 mots minimum par sujet (2500 mots au total) dans un forum dédié au Bitcoin et aux crypto monnaies. Les sujets devront porter sur les crypto monnaies (Bitcoin, Litecoin, Ethereum, etc.), les Exchanges (Coinbase, Binance, etc.), le stockage (Ledger Nano, Trezor, etc.), les dernières news, etc. Je n'impose pas le...

    €73 (Avg Bid)
    €73 Offre moyenne
    16 offres

    Poster dans un forum crypto-monnaies sur des topics divers (bitcoin, ethereum, minage, stockage, etc.).

    €41 (Avg Bid)
    €41 Offre moyenne
    8 offres

    Bonjour, Je suis à la recherche d'un développeur qui sera mettre en place un script, pour augmenter le hashrate de mes équipement (mineur avec carte graphique RX570, P106-100 ...)

    €498 (Avg Bid)
    €498 Offre moyenne
    2 offres

    Nous souhaitons créer un cryptocurrency de communauté. Basé sur la blockchain ethereum. Intégration market... Nous consulter pour plus d'informations

    €405 (Avg Bid)
    €405 Offre moyenne
    2 offres

    Bonjour, Société dans les Mining / Trading de cryptomonnaie, nous sommes actuellement à la recherche d'un freelance, ou agence afin de monter la second partie de notre projet professionnel. Les connaissances suivante sont requise: - Connaissance générale de la crypto-monnaie - Connaissance création / gestion d'un Pool - Création d...

    €14874 (Avg Bid)
    €14874 Offre moyenne
    17 offres

    I am looking for peatio open source cryptocurrency customisation a Linux/Ubuntu server expert who can do the following: - Peatio Trading UI - Environment - Barong - Crypto Daemons - Cryptocurrency (Bitcoin, Ethereum, DASH, XRP, TRX, XLM etc) deployment to the Server KYC INTEGRATION API, Referral Comission, Liquidity Integration, IEO Page Listing Page with backend, Exchange Automated Trading Soft...

    €1255 (Avg Bid)
    €1255 Offre moyenne
    5 offres

    I want developer who is experienced in ETHEREUM NODE. The freelancer who has developing experience in ETHEREUM will have priority.

    €20 (Avg Bid)
    €20 Offre moyenne
    2 offres

    FULL FUNCTIONING ETHEREUM POOL WITH FULL ETHEREUM NODE I PROVIDE SSH USER ONLY AND I NEED IT AS FAST AS POSSIBLE

    €22 (Avg Bid)
    €22 Offre moyenne
    3 offres
    Trophy icon New sliders wanted for a website 3 jours left

    I am looking for 7 new sliders for the front page of the website swissbullion.ch. Sliders should be the following dimensions: 1140 x 400 Design should fit in with the design of the website. Slider 1: Text: Credit Suisse Bullion in Stock (Please add the Credit Suisse Logo to this) 1 Ounce Gold Bars 10 Ounce Gold Bars 10 Ounce Platinum Bars Slider 2: Text Valcambi Suisse Bullion (Please ad...

    €126 (Avg Bid)
    Garanti
    €126
    17 propositions

    I need an iOS and Android app. I would like it designed and built. Must implement Bitcoin/ Ethereum for the betting system and send a small fee to a wallet every time there is winner. Must be able to show me previous experience in developing poker apps or similar. The actual poker app should be basic enough. All other details will be arranged afterwards

    €1686 (Avg Bid)
    €1686 Offre moyenne
    34 offres

    We need strong IT development team to develop social networking project like Instagram. We have already made the design for the entire project and full requirement document(80 Pages). In general, all functions are similar to Instagram. So this project is insist of following 4 sub projects. That is, they are Website frontend, Android and iOS with Backend. Main core functions : • User registra...

    €1031 (Avg Bid)
    €1031 Offre moyenne
    15 offres
    Edit MLM PHP script S'est terminé left

    I have working PHP MLM script, I need 1 .to upgrade the script to allow users able to do external registration using a unique referral. 2. It also needs to upgrade to allow the user to upgrade package and get the advantage of the upper package ( sponsor and pairing limit ) 3. Have auto deposit and withdrawal using cryptocurrency ( Bitcoin , Ethereum , Litecoin ) .

    €163 (Avg Bid)
    €163 Offre moyenne
    22 offres

    We are a building blockchain based applications for customers across different industries, we have already built in commercial and non profit applications. We want to build the following: We have an application to create with: - about 25 screens - responsive - backend functionality such as login, database inputs from users - blockchain registration of hashed data, we plan to use Ether...

    €14507 (Avg Bid)
    LDN
    €14507 Offre moyenne
    111 offres

    Ethereum Blockchain On demand application Smart contrat Token sale website Masternodes

    €2559 (Avg Bid)
    €2559 Offre moyenne
    69 offres

    I need small help with Ethereum Smart Contract.

    €106 (Avg Bid)
    €106 Offre moyenne
    7 offres

    Need a blockchain developer who can read block by block with transactions and store some details in the database. Need someone who can read bitcoin, ethereum and ripple blockchains

    €19 / hr (Avg Bid)
    €19 / hr Offre moyenne
    44 offres
    Install Peatio Exchange S'est terminé left

    Install Peatio Exchange Should have Bitcoin , Ethereum & ERC-20 Tokens integrate bitgo I need someone for long term.

    €386 (Avg Bid)
    €386 Offre moyenne
    11 offres

    We're looking for a developer to create a PHP API class that would connect to the Ethereum blockchain using [login to view URL] or any similar alternative and would have the following functionality: 1) Create a new Wallet based on an existing Contract usiung the Infura API 2) Create a signed transaction and send it to the Infura API The calls would be made from a system that manages wallet...

    €186 (Avg Bid)
    €186 Offre moyenne
    8 offres
    PHP expert S'est terminé left

    I have a existing website php that needs to support payment ETHEREUM and ERC20 token, Ethereum and ERC20 token API is ready in backend, all you need is to integrate it payment gateway, the website is [se connecter pour voir l'URL] and it is selling music, The function I need is to allow users to: 1. deposit my ERC20 token and Ethereum 2. allow to pay 3. allow to witdraw 4. log the purchas...

    €129 (Avg Bid)
    €129 Offre moyenne
    45 offres

    looking for someone who can program FPGA card BCU-1525 or popular model to mine Ethash Ethereum or other mining algorythme

    €940 (Avg Bid)
    €940 Offre moyenne
    20 offres

    I need an application for swap ethereum in crosschain from rinkeby network like. [se connecter pour voir l'URL]

    €153 (Avg Bid)
    €153 Offre moyenne
    3 offres

    We are looking for a mobile app to be developed for both Android and iOS that will have the ability to hold ETH and ERC20 tokens. The right person must have experience with encryption and reading / writing to and from an NFC chip. Will provide more details to the right person. Requires front end and back end development to be completed as well as the interface. Required will be the ability to sen...

    €1399 (Avg Bid)
    €1399 Offre moyenne
    21 offres

    PLEASE WRITE DOWN HOW MUCH EXPERIENCE YOU HAVE USING BITCOIN AND CRYPTOCURRENCIES! Automated and copy pasted bids will be ignored! Hey there! You are bidding to create 10 Blog Posts 500-700 words each with the below-described specifics and requirements! Your job will be to create unique and original web-content/blogs/articles on one of my website. The text has to be completely original and not...

    €295 (Avg Bid)
    €295 Offre moyenne
    27 offres
    Trophy icon Logo Design Contest S'est terminé left

    Hi Freelancers, We are starting up a company called: TessaRack The domain name: [se connecter pour voir l'URL] We are looking to use a white (transparent) background, light blue and teal green accents for the website, our products, and marketing. It would be beneficial for the logo to follow variations of this color format, but feel free to change this a bit if you have a better look in mi...

    €90 (Avg Bid)
    Garanti
    €90
    106 propositions
    totaljs developer S'est terminé left

    we need a totaljs resource that is quite expert in the maintenance and evolutionary developments of our web application. The resource must be sensitive to new blockchain technologies, in particular ethereum and related forks

    €13 / hr (Avg Bid)
    €13 / hr Offre moyenne
    13 offres
    Ethereum Token S'est terminé left

    I want my own ethereum token of ERC20

    €299 (Avg Bid)
    €299 Offre moyenne
    16 offres

    need someone develop an endpoint that will send data to the ethereum blockchain the endpoint will be called like this /sendData?receiving=0xAA5c4244F05c92781C4F259913319d8ba1aCF05E&data=This is amazing! address: recieving address data: data in ascii that will be written to the blockchain for storage. the endpoint will return json, example: {"tx":"0xd656dcb8d6df797eb5fd92b...

    €460 (Avg Bid)
    €460 Offre moyenne
    52 offres

    Need security token based of erc1400 protocol

    €1013 (Avg Bid)
    €1013 Offre moyenne
    10 offres

    Looking for a dev able to create a an Ethereum Blockchain Based Smart Contract allowing client to use ERC20 tokens to pay for a service and the tokens will be automatically sent to the supplier after the service is provided.

    €305 (Avg Bid)
    €305 Offre moyenne
    17 offres
    Ethereum api S'est terminé left

    Hi, our payment platform is now hooking up to the blockchain for transparency on the ethereum chain. Am looking for a programmer who know how to work the APIs to move tokens automatically between wallets.

    €1153 (Avg Bid)
    €1153 Offre moyenne
    45 offres

    Algún programador que tenga UNA WEB QUE HAYA CONFECCIONADO ANTERIORMENTE .. necesito que me venda el script o todo el código de la web en si... DONDE los usuarios se puedan REGISTRAR.. TENGAN CADA UNO SU CUENTA PRINCIPAL o backoffice... No les pido confeccionar por que me hacen un enrrollo y me van a demorar mucho... O SI TIENEN UN SCRIPT PARECIDA A ESTA. ES MEJOR GC HYIP Manager Pro...

    €31 (Avg Bid)
    €31 Offre moyenne
    2 offres

    Hola. Algún programador que tenga UNA WEB QUE HAYA CONFECCIONADO ANTERIORMENTE .. necesito que me venda el script o toda la web en si... DONDE los usuarios se puedan REGISTRAR.. TENGAN CADA UNO SU CUENTA PRINCIPAL o backoffice... No les pido confeccionar por que me hacen un enrrollo y me van a demorar mucho... O SI TIENEN UN SCRIPT PARECIDA A ESTA. ES MEJOR GC HYIP Manager Pro 2018 (Bitc...

    €139 (Avg Bid)
    €139 Offre moyenne
    9 offres

    Example website [se connecter pour voir l'URL]

    €263 (Avg Bid)
    €263 Offre moyenne
    3 offres
    Project for Prerit S. S'est terminé left

    Ethereum Staking Smart Contract check this example website for more details [se connecter pour voir l'URL] [se connecter pour voir l'URL]

    €179 (Avg Bid)
    €179 Offre moyenne
    1 offres

    PLEASE WRITE DOWN HOW MUCH EXPERIENCE YOU HAVE USING BITCOIN AND CRYPTOCURRENCIES! Automated and copy pasted bids will be ignored! Hey there! You are bidding to create 10 Blog Posts 500-700 words each with the below-described specifics and requirements! Your job will be to create unique and original web-content/blogs/articles on one of my website. The text has to be completely original and not...

    €109 (Avg Bid)
    €109 Offre moyenne
    22 offres

    Hello there, I need you to create me Cryto wallet Website for Bitcoin, Ethereum, etc Must have kyc verification for users. Must offer different fiat currencies for wallet. E.g USD, ZAR, EUR, ETC Users must be able to sell Bitcoin for fiat one buy Bitcoins with fiat currencies.

    €530 (Avg Bid)
    €530 Offre moyenne
    52 offres

    Install my blockchain betting game with Ethereum full node on hosting.. I’m looking for expert developers of blockchain (ethereum)

    €550 (Avg Bid)
    €550 Offre moyenne
    15 offres

    PLEASE WRITE DOWN HOW MUCH EXPERIENCE YOU HAVE USING BITCOIN AND CRYPTOCURRENCIES! Automated and copy pasted bids will be ignored! Hey there! You are bidding to create 10 Blog Posts 500-700 words each with the below-described specifics and requirements! Your job will be to create unique and original web-content/blogs/articles on one of my website. The text has to be completely original and not...

    €140 (Avg Bid)
    €140 Offre moyenne
    15 offres
    Clone uniswap.exchange S'est terminé left

    There are several variants on uniswap, such as [se connecter pour voir l'URL] They are tweaked installations of uniswap's open source uniswap-frontend package here [se connecter pour voir l'URL] We have installed the above but need someone who is a node.js expert and preferably has some uniswap/ethereum smart contract experience to complete the installation and make adjustments.

    €93 (Avg Bid)
    €93 Offre moyenne
    7 offres

    We want API and Endpoint Server for Ethereum and ERC20 token. Call Functions we need :- 1. getToken 2. getEthereumBalance 3. getTokenBalance 4. getTransactionInfo 5. newAddress 6. sendEthereum 7. sendToken These are the call functions we need, and for these all to work, we need a API key and Endpoint server hosted on AWS, call limits should be 100 calls per second. A full ethereum node through ...

    €337 (Avg Bid)
    €337 Offre moyenne
    7 offres
    ERam Wallet S'est terminé left

    Hi I Need Crypto Wallet app For IOS and Android like Trust Wallet That the users can buy and sell Bitcoin , ethereum , and my Token ( Eram )

    €455 (Avg Bid)
    €455 Offre moyenne
    7 offres

    Hello, I need an blockchain based payment system built on Ethereum platform. Pls contact only if you have relevant experience. Thank you

    €284 (Avg Bid)
    €284 Offre moyenne
    10 offres

    PLEASE WRITE DOWN HOW MUCH LINUX EXPERIENCE YOU HAVE USING BITCOIN AND CRYPTOCURRENCIES! Automated and copy pasted bids will be ignored! Hey there! You are bidding to create 10 Blog Posts 500-700 words each with the below-described specifics and requirements! Your job will be to create unique and original web-content/blogs/articles on one of my website. The text has to be completely original a...

    €127 (Avg Bid)
    €127 Offre moyenne
    34 offres

    Need someone who can work with us to make a custom web design of a cryptocurrency exchange platform in react native. Ideal to have experience in ethereum dapp development, and including customized charts from tradingview

    €751 (Avg Bid)
    €751 Offre moyenne
    25 offres
    Online 3D Game on Blockchain S'est terminé left

    I am looking for someone who has experience with online 3D games or 3D worlds and ideally also with the Ethereum blockchain.

    €7246 (Avg Bid)
    €7246 Offre moyenne
    53 offres

    Hey! I am looking for someone who can teach blockchain app development. Mainly app development on ethereum platform & on hyperledger. You should be available 2-3 hours a day to teach.

    €30 / hr (Avg Bid)
    €30 / hr Offre moyenne
    3 offres
    peatio exchange S'est terminé left

    I am looking for peatio open source cryptocurrency customisation a Linux/Ubuntu server expert who can do the following: - Set up Rubykube Peatio Cryptocurrency Exchange on [se connecter pour voir l'URL] and [se connecter pour voir l'URL] - Peatio Core - Peatio Trading UI - Environment - Barong - Crypto Daemons - Cryptocurrency (Bitcoin, Ethereum, etc) deployment to the Server [se...

    €1587 (Avg Bid)
    €1587 Offre moyenne
    10 offres

    You should be an experienced PHP and and MySQL coder. The order includes the programming of a "full escrow multi-vendor multi-crypto-currency marketplace included a multi-category chat forum". The pattern of a comparable marketplace can be viewed at the following URL (main URL and alternative URLs) (TOR-browser and registration required): [se connecter pour voir l'URL] [se conn...

    €1909 (Avg Bid)
    €1909 Offre moyenne
    56 offres

    I want to use the secp256k1 C extension, but I don’t know the application of this algorithm. What I want to do is to encapsulate this extension as a function or class. When I call btc(sha256) I can get the address and private key of btc. (*I need to call on cuda) Na koniec otrzymam plik * .c lub * .cu [se connecter pour voir l'URL]

    €212 (Avg Bid)
    €212 Offre moyenne
    2 offres