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    2,849 blockcypher 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 l...

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    8 offres

    ...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 les sujets, il faut simplement qu'ils soient

    €71 (Avg Bid)
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    16 offres

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

    €40 (Avg Bid)
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    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 ...)

    €398 (Avg Bid)
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    3 offres

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

    €434 (Avg Bid)
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    2 offres

    ...Pool - Création de site internet - Création C++ Notre projet consiste à mettre en place des Pools dans les crypto que nous minons actuellement. A savoir : - Ethereum - Ethereum Classic - Expanse - Pascalcoin - SIACoin - Decred - Monero - LBRY - Zcash - Dash Nous souhaiterions une interface équivalente à " [se connecter po...

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    17 offres

    ...issue des librairies citées ci-dessous : #Liens GitHub : Coinbase => [se connecter pour voir l'URL] #Liens API : Coinbase => [se connecter pour voir l'URL] BlockCypher => [se connecter pour voir l'URL] En fonction des modules a mettre en place et de votre intérêt merci de me contacter afin qu’éventuellement je vous comm...

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    7 offres

    ...issue des librairies citées ci-dessous : #Liens GitHub : Coinbase => [se connecter pour voir l'URL] #Liens API : Coinbase => [se connecter pour voir l'URL] BlockCypher => [se connecter pour voir l'URL] En fonction des modules a mettre en place et de votre intérêt merci de me contacter afin qu’éventuellement je vous comm...

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    I'm interested in creating a working payment channel on the ethereum blockchain. I want to use this: [se connecter pour voir l'URL] code in remix to create a smart contract for payment channels along with some some sort of signing messages platform to sign the payment message as described there and

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    4 offres

    1. Show Ethereum Address & Ethereum Balance and Our Token balance 2. Send Token or Ether to another Ethereum Address 3. Check transaction on Blockcahain (can use Etherscan API) 4. Reporting and transaction history (IN and OUT transaction) 5. Download/Backup user Wallet Private key and Keystore JSON File 6. logout Link 7. Chat with support

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    3 offres
    homies-blockchain 5 jours left

    creation of website for a real state invert platform based on blockchain tokens. We need a programmer with experience: angular 2-4 javascript solidity html...platform based on blockchain tokens. We need a programmer with experience: angular 2-4 javascript solidity html5 bootstrap ionic framework. firebase. encryption protocols web3 ethereum blockchain

    €19 / hr (Avg Bid)
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    37 offres
    Blockchain 4 jours left

    ...impact a vast portion of the 21st century's economy. We aim to become one of the early providers of tools in the enterprise Blockchain ecosystem. We support protocols such as Ethereum, Hyperledger, Corda, and EOS, and much more. We are currently recruiting developers who, like us, would like to see Blockchain move beyond the speculative hype of cryptocurrencies

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    I want you to setup [se connecter pour voir l'URL] on my server. I also need clear instructions to create new pools on the following months. So, you have to take note of everything that you done on a notepad and send me after everything is finished. Pool will be only using by me.

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    6 offres

    Hi, i have custom ERC20 token that build using Ethereum smart contract, and i need online wallet for members to manage this token with PHP & MySQL I used to be using free service like [se connecter pour voir l'URL], but i want more simple functions, already made modification from MyEtherwallet on [se connecter pour voir l'URL] , but want to be more simple

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    1 offres

    1. Show Ethereum Address & Ethereum Balance and Our Token balance 2. Send Token or Ether to another Ethereum Address 3. Check transaction on Blockcahain (can use Etherscan API) 4. Reporting and transaction history (IN and OUT transaction) 5. Download/Backup user Wallet Private key and Keystore JSON File 6. logout Link

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    3 offres

    Create a tictactoe web based tron dapp.

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    I want to build a dapp on Tron or Ethereum blockchain. It would use html5 or so.

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    13 offres

    Build a simple decentralized marketplace like OpenBazzar that enables the buying and selling of items using an ethereum token

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    19 offres

    Hi, i want start a ico project in ethereum erc-20. I need a solid and proof smartcontract with site cms. About smartcontract : The token have usd value, when people send eth to contract this one deliver token on personal wallet. I don't need user registration or user panel affiliation, bonus etc, it's all decentralized. We don't collect data of user

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    15 offres
    blockchain market S'est terminé left

    Build a simple decentralized marketplace like OpenBazzar that enables the buying and selling of items using an ethereum token

    €726 (Avg Bid)
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    17 offres
    Blockchain Articles S'est terminé left

    ...Ledger Technology (DLT). -Strategic analysis of the space – who are the major players (Blockchain platforms, regulators, application providers, etc.) -Bitcoin, HyperLedger, Ethereum, Litecoin, Zcash. Etc. -The major application: currency, identity, chain of custody. -Trust and Vunerability -Short history of the scaling out of human trust. -High and Low

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    I have bought an ico script from codecanyon. I want to hire a person who has worked with [se connecter pour voir l'URL] api and who can integrate the payment gateway in that website. That script is in laravel.

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    8 offres

    I have bought an ico script from codecanyon. I want to hire a person who has worked with [se connecter pour voir l'URL] api and who can integrate the payment gateway in that website. That script is in laravel.

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    4 offres

    I need some to help me deploy ethereum smart Contract asap, the code is ready, all you need is to deploy it. Nothing much!

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    15 offres

    Hi there, I need someone who is able to create a ethereum node and implement a smart contract which allows the deployment of certifications. Simply Entity-A releases a certificate to entity B with few details, name, expiration, this is push on the blockchain. Please contact me for more information. Fed

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    23 offres

    I'm looking for a developer who can create an Erc-20 token with intellectual property written in the smart contract. So the tokens legally represent shares of the intellectual property. In our case, the intellectual property will be songs. Also written in the contract, we would like the addresses and wallet value to also be part of the token. Wallet addresses on other cryptos such as music...

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    23 offres

    ...the wallets. The webapp will then allow the user to view their wallet ledgers and token asset summary. To keep this project small and on budget, we will work only with the Ethereum blockchain. If you add BTC, TRX, EOS, NEO, LTC, we will also provide a bonus (negotiable). This project will be created as a PWA using VUEJS, VUEX, VUETIFY, etc. This will

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    12 offres
    BLOCKCYPHER INTEGRATIONS S'est terminé left

    I NEED SOMEONE TO INTEGRATE BLOKCYPHER API FOR COINS PAYMENT ON OUR SITE

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    15 offres

    ...(futuristic-techno fashion wear company etc) 1. needs to feel luxury branded like major brands with futuristic / techo-modern focus. e.g. apple, louis vuitton, under armour, ethereum, binance icon etc 2. Simple and minimal enough for people to want to tattoo on their body, not too much ink area. As minimal as possible to "save ink". 3. Able to be

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    À la une Garanti Scellé Meilleur concours
    €263
    465 propositions

    I want to create a website like [se connecter pour voir l'URL] and [se connecter pour voir l'URL] for ethereum just like [se connecter pour voir l'URL] (closed) Ether balance feature not required Please bid only if you have knowledge of ethereum and blockchain Please have a look at similar project for bitcoin. ( I want for ethereum ) [se connecter pour voir ...

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    ... The provably fair should will be fully open source so all users can verify the legitimacy of each round. The provably fair should be built on a open blockchain such as ethereum or other trusted blockchain, and the rolls outcome should be built in a way and proven by the source that even website operators cannot know the outcome of the rolls. Games

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    39 offres

    Integrate Unity framework with Ethereum smart-contract.

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    Tengo una criptomoneda poco conocida llamada BRC , [se connecter pour voir l'URL], y des...criptomoneda poco conocida llamada BRC , [se connecter pour voir l'URL], y deseo hacer un pagina de intercambio a través de un registro en la misma pagina, deseo intercambiar BRC por btc y ethereum, estoy buscando persona con experiencia comprobada en estos temas de criptomonedas.

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    You should create a new APP which can create new Ethereum accounts. Users should be able to check balances, transfer tokens to other accounts, log out. Admin should be able to check the accounts, manage currencies, etc. Fully functional Ethereum wallet APP

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    We are looking for a NodeJS expert with a lot of experience in building RPC-JSON API's for different blockchains (Electroneum, Ethereum, Monero etc..). We already have a high performance nodeJS script, which doing requests to the blockchain RPC interface. We want to expand our script with more cryptocurrency coins. A high level of NodeJS expertise is

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    We are new on the Blockchain and would like to do a very simple PoC project using Ethereum. DApp Scope - We will submit a ID and Key into Blockchain - Retrieve the Key by using the ID from Blockchain - List out all Submitted ID and Key in Blockchain Deliverables - DApp with source code for above functions - Setup the Blockchain

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    Install Bitcoin and Ethereum full Node on AWS Have to install and setup the RPC for both node

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    21 offres

    Cyrptocurrency Exchange Development. From Scratch . Bitcoin Ethereum Litecoin. Binance Style , Bitterex...

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    5 offres

    ...for each currency displayed what % is between buying and selling price from the different exchanges the listing e.g. displayed on cryptonews as for the moment is Bitcoin - Ethereum - Bitcoin Cash etc I want to be able to flexibly adjust them and also have the possibility to sort them according to marketcap value etc future development should also be

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    Build me a github project S'est terminé left

    I'm insterestin...here:[se connecter pour voir l'URL] I can run test successfully project, except fail at create buy/sell orders because no ethprovider This projcet use infura by ethereum [se connecter pour voir l'URL] i want to use infura like that too but i don't know how to config it Can anyone show me the way to do that I will offer from 10$~30$ for that

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    1. Create wallet 1.1 Key Store backup 2. Import wallet 2.1 import wallet by key store (json) 2.2 import wallet private key 3. Show balance 3.1 show ERC20 balance 3.2 show ether balance 4. Transaction ether and token ERC20 4.1 add custom ERC20 token Need to use: '[se connecter pour voir l'URL]' library //[se connecter pour voir l'URL]

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    I need a cryptocurrency wallet capable of supporting all ERC20 tokens as well as ethereum and a monero based coin. I also need a custom monero based coin developed. I need this wallet developed for Android, iOS and a web wallet with the best security available. Please respond with your experience and exactly why we should choose you. I need this project

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    I need a developer to build me a crypto exchange where customers can purchaing bitcoin, ethereum, Litecoin. DO NOT APPLY IF U HAVE NO EXPERIENCE WITH BITCOIN EXCHANGES. I NEED SOMETHING SIMILAR TO THIS --->>>> [se connecter pour voir l'URL] FEATURES I NEED - Customer Portal - Super Admin Portal - Order Tracking Portal - Credit Card, Paypal, Wire Transfer Payment

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    Blockchain Solution to Life S'est terminé left

    Looking to build a blockchain prototype for a ...privacy including public key infrastructure (PKI), encryption and encoding would need to be considered. Flexible and open to proposed fabrics - Hyperledger, Ripple, Corda, Ethereum The requirements and design flows have been completed. Need to action in a short time frame to bring the concept to life

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    We are looking for a developer who can write smart contracts for multiple blockchains platforms. Don't pay attention to the hourly rate we will want to discuss a price for each contract.

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    ...cipher wallet ( open source ) you can find it on github repository all the data you need. Then make a few little changes just use it for accept and receive Eth the currency on ethereum blockchain and erc20 tokens and introduce by default this erc20 Token 0xE388b7377500d6F9932dFf10536348220a5B3b03 Crowdsale Contract Address PiCash with the logo: 0xc

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    ...YOU TAKE THIS JOB YOU WILL SOON BE AN OWNER OF A MULTIMILLION DOLLAR COMPANY) I have a good amount of framework laid down the primary issue is that I prefer not to go the ethereum route and make tokens but rather my own coin or fork a coin either or. I placed a snippet of my webpage text to give you an idea of what I have planned but it's far from everything

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    fix ethereum payment S'est terminé left

    i need to fix ethereum payment on erc20

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    I am looking for a Node.js Developer to work on our Admin Panel and link it to Ethereum Virtual Machine (EVM) in such a way we can automatically process our users' coin withdrawal requests from our Admin Panel through [se connecter pour voir l'URL] node. This has actually been integrated in our platform but one of our Admins mistakenly disconnected something there

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    Hello, I have a project on remix which works when environment is javascript VM, but when I try to deploy it on [se connecter pour voir l'URL], I can't run the functions correctly. I am stuck and don't know if there are some problems with my solidity code. I will give 20$ for resolving this issue and making my smart contract work on GUI (namely, Chrome browser). The price for resolvi...

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