Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.

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    51 Gefundene Jobs, Preise in EUR

    Hello, I need a website for document verification through Etherium smart contract. The Website should be in Wordpress and the functionality should for the Blockchain part should be a wordpress Plugin. I hava the ready design (very simple) The website should be without registration. Some example of such services are [Zur Anzeige der URL Anmelden] [Zur Anzeige der URL Anmelden] [Zur Anzeige der...

    €171 (Avg Bid)
    €171 Gebot i.D.
    7 Angebote

    Looking to create a prototype pc application under a strict monthly budget. We are a startup company working on a cloud gaming platform, that allows users to play games wherever they want. Our company values people with character; personal integrity and hardworking individuals, exciting etc. We are looking to create a long lasting relationship with a intelligent developer, who will offer front...

    €6 - €19 / hr
    Featured Versiegelt NDA
    €6 - €19 / hr
    5 Angebote

    Anyone having experience in ethereum and solidity language can ping me i have one interesting project.

    €16 (Avg Bid)
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    1 Angebote

    looking for bitcoin and ethereum trader to help

    €41 (Avg Bid)
    €41 Gebot i.D.
    2 Angebote
    ERC20 Ethereum Token 6 Tage left
    VERIFIZIERT

    I am looking for someone expert in developer token erc20 on ethereum. I know its easy and quick and will not take much time

    €432 (Avg Bid)
    €432 Gebot i.D.
    2 Angebote

    We're a crypto start-up looking for a motivated content writer with the knowledge and passion for blockchain technologies, DeFi, crypto investments and all topics related. We are aiming at producing around 6 (4-8) blog pieces a month as well as PR releases. There is a bit of market research involved - but we are happy to help and advise whenever needed. Our product is in the crypto finance/...

    €14 / hr (Avg Bid)
    €14 / hr Gebot i.D.
    12 Angebote

    i want bitcoin expert to help me in trading

    €161 (Avg Bid)
    €161 Gebot i.D.
    3 Angebote

    Want to develop a Project on Blockchain Technology (Smart Contract) like [Zur Anzeige der URL Anmelden] on DAPP Browser In less time duration on ASP .net C#

    €259 (Avg Bid)
    €259 Gebot i.D.
    3 Angebote

    I want someone to design a mobile payment application with a website similar to that pf Paytm and Phonepe, with all features.

    €5672 (Avg Bid)
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    47 Angebote
    Stellar/blockchain intergration 6 Tage left
    VERIFIZIERT

    developing a crypto exchange. looking for a dev who will perform some key functions like cryptos withdraw and stellar integration. stellar codes is ready and just need to be integrated into app

    €130 (Avg Bid)
    €130 Gebot i.D.
    6 Angebote

    My platform [Zur Anzeige der URL Anmelden] produces and publishes public review and ratings for blockchain companies since 2018. I'm currently looking for a technical / business writer, who is able to write short assays (1000 - 1200 words) according to a layout (+ editing) provided by us. It must contain a brief but comprehensive analysis of a product, a market, a business and a token of a g...

    €71 (Avg Bid)
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    26 Angebote

    Need a experienced writer in blockchain for writing a whitepaper on our project.

    €6 / hr (Avg Bid)
    €6 / hr Gebot i.D.
    10 Angebote
    Need ERC20 Token Expert 5 Tage left
    VERIFIZIERT

    I Need ethereum token expert. who has proper knowledge of erc20 token contract. plus he is good in script or program marker. web3 expert also.

    €17 (Avg Bid)
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    1 Angebote

    I need you to develop some software for me. I would like this software to be developed using Python.

    €655 (Avg Bid)
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    5 Angebote
    BTC Recovery 5 Tage left
    VERIFIZIERT

    I need help with recovering my BTC transaction for which reciever says it never got it. I want someone who is expert in blockchain exploring and tracking and can make a track of where exactly the transaction is

    €93 (Avg Bid)
    €93 Gebot i.D.
    5 Angebote
    Blockfolio REST API 5 Tage left
    VERIFIZIERT

    Blockfolio has a public API, but there is no documentation available. I want to know the correct request URL to sync transactions. Some hints: [Zur Anzeige der URL Anmelden] [Zur Anzeige der URL Anmelden] You should have experience with Blockfolio API or know exactly what to do before bidding on this project. If not it will be waste of time. The only thing I need is the correct endpoint URL, no...

    €134 (Avg Bid)
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    6 Angebote

    I need to run services to provide an cryptocurrency wallet for crypto coin need only to provide BTC ETH XMR DASH and DDKOIN wallet like what exodus , coinbase , trust wallet other wallet in the market. the system have have a security level to product the user wallet account need app for android / iOS. I would like it designed and built. please let me know if you can do this. and please bid if...

    €1240 (Avg Bid)
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    8 Angebote

    i want forsage on tron with dapps note: bid if you hve ready made with my budget The program supported by Fors age is flexible, with no time limit, pressure or targets and anyone can work based on their leisure time. Fors age allows users to earn a long-term residual income through a referral system

    €632 (Avg Bid)
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    1 Angebote

    ETHEREUM BLOCKCHAIN DEVELOPMENT TEAM Good Day, I am in search of a senior and experienced Ethereum Smarts Contract development and DevOps team. I am only interested in hiring a team of technical resources working through a company. I do not hire independent freelancers for enterprise projects. I would like to deploy my own Stablecoin on Ethereum with supplementary Smart Contracts related to th...

    €18 / hr (Avg Bid)
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    13 Angebote

    Hello i want to start a mlm business in tron coin . For that i need a tron smart contract and a dapp website

    €420 (Avg Bid)
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    3 Angebote
    blockchain core 4 Tage left

    Same core as [Zur Anzeige der URL Anmelden] but written by node.js Rules: Decentralised social network same as Instagram What we are expecting Blockchain core Api to integrate the web app : Create Wallet Create transaction Get balance Like interaction We will provide the details once we choose the winner

    €544 (Avg Bid)
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    9 Angebote

    Inam looking for someone who can make vpn in block chain

    €1329 (Avg Bid)
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    5 Angebote

    i have been scammed by a crypto investment scam. would like my money returned

    €1930 (Avg Bid)
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    9 Angebote

    Create a mineable coin and develop a staking system where users mine coins and stake for the reward. I'm looking for someone who can create a coin easily.

    €389 (Avg Bid)
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    5 Angebote

    Patent a business process algorithm for an app; provisional and non-provisional; technology background in social / network app process flow, blockchain experience required. Provisional patent followed by non-provisional patent.

    €3559 (Avg Bid)
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    20 Angebote
    blockchain developer 3 Tage left
    VERIFIZIERT

    i am looking for a development team who can work on my blockchain based project it has to setup for wallet integration

    €729 (Avg Bid)
    €729 Gebot i.D.
    7 Angebote

    I need you to develop some software for me. I would like this software to be developed. Here is a example for you [Zur Anzeige der URL Anmelden] Check this website and let me know if you really do that work ASAP.

    €426 (Avg Bid)
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    We need to integrate CCXT or CCXT Pro into our Peatio based crypto exchange. If you have experience in this let us know so we can speak over the details. If you don't have experience then please don't bother and start asking questions only the developer should know. Please. The idea is to run our platform and fetch trades and market data from another exchange. We REQUIRE leverage or F...

    €1258 (Avg Bid)
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    I'm having an issue with the Official Hedera Hashgraph iOS. It is prompting me to update my keys but the wallet is crashing when I try to export my data. This makes me unable to access the funds through other wallets. Experiencing serious issues with the official Hedera Wallet on both of my phones. I can not currently send any transaction from both wallets, as the app crashes. My idea was...

    €119 (Avg Bid)
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    I need a blockchain developer 3 Tage left
    VERIFIZIERT

    Require a blockchain developer to build similar in vein to locktrip - must have blockchain and crypto (tokenisation) experience

    €12993 (Avg Bid)
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    42 Angebote

    you need to have experience in writing smart contracts for Etherum you need to be able to create Eth contracts for loans and Flash loans you need to speak English and be very cooperative and responsive you need to be excited about new technology and be a seasoned developer. you need to have an understanding of coding loan contracts. I will discuss this information if you are successful ...

    €36 / hr (Avg Bid)
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    18 Angebote

    you need to have experience in writing smart contracts for Etherum you need to be able to create Eth contracts for loans and Flash loans you need to speak English and be very cooperative and responsive you need to be excited about new technology and be a seasoned developer. you need to have an understanding of coding loan contracts. I will discuss this information if you are successful quote...

    €17 / hr (Avg Bid)
    €17 / hr Gebot i.D.
    5 Angebote

    I need an experienced blockchain writer who fully undertands how defi works and looks like. Help me to work out with math equation to calculate the interest, profit, liquadtion and things. I will give some similar project, what you do is to make something kinda relevant, technical about another defi project. I will send you referrence list, up to 21 pages including images. Only bid if you are...

    €195 (Avg Bid)
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    15 Angebote

    I need an experienced blockchain writer who fully undertands how defi works and looks like. Help me to work out with math equation to calculate the interest, profit, liquadtion and things. I will give some similar project, what you do is to make something kinda relevant, technical about another defi project. I will send you referrence list, up to 21 pages including images. Only bid if you are...

    €183 (Avg Bid)
    €183 Gebot i.D.
    10 Angebote
    Bitcoin trading or arbitrage bot 2 Tage left
    VERIFIZIERT

    I want a bitcoin bot or arbitrage bot, with a good Back test and really make profit in real account. If you have real example I will do this project, with a good backtest

    €263 (Avg Bid)
    €263 Gebot i.D.
    4 Angebote

    Hi We are looking to work with a writer who has experience writing technical articles with a focus on educating readers. I can provide some topic titles which include - What is a privacy coin. - Privacy coin and associated risks These are examples of the articles. About 2 pages of a4 per article is typical. We are looking to have a long term relationship with a freelancer as its likley this ...

    €28 (Avg Bid)
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    24 Angebote
    Marketing for my app 1 Tag left
    VERIFIZIERT

    I need a skilled marketer to promote my crypto casino app. You need to have great knowledge about blockchain and crypto.

    €12 / hr (Avg Bid)
    €12 / hr Gebot i.D.
    6 Angebote

    Looking for someone to create a functional wallet for my cryptocurrency where people have the option to buy my currency in dollars depending on bitcoin worth.

    €503 (Avg Bid)
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    6 Angebote

    I need whitepaper written for my new platform. It should be professional and written by English native speaker of computer science / finance background. The whitepaper should be original content guided with existing competitor companies strategies. Writers with prior experience and good skills will win the job Please message me if you have any questions, Lucy .

    €337 (Avg Bid)
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    Trophy icon TOKENIZED ASSETS PLATFORM 15 Tage left

    I need a developer who can develop a Tokenized Assets Platform with WebApp, DApp and Ethereum Name Service (ENS) human readable public key system (Wallet Address). See [Zur Anzeige der URL Anmelden] for details. It is very important that you take a look at CODEFI ASSETS [Zur Anzeige der URL Anmelden] to understand what I want and more. You must be willing to show me a working prototype on...

    €424 (Avg Bid)
    Featured Garantiert Versiegelt Top-Wettbewerb NDA
    €424
    2 Einträge

    Fork erc 20 token. Set up network

    €743 (Avg Bid)
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    23 Angebote
    M-Wallet platform 22 Stunden left

    I need a complete M-wallet platform to be developed that contains e recharge, DTH, Money transfer, electricity payment, Bus and Air ticketing, Hotel Reservation. The platform must be complete, reliable and secure. 1. It must work both B2B and B2C way. 2. Can be used through Mobile APP and computer 3. Must be completely dynamic Any one who has worked in same sort of project before or has a demo of...

    €6114 (Avg Bid)
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    We are looking for some developer to develop a bitcoin client, with the feature to send fake transactions to the blockchain. All we need is for the transaction to be shown in the [Zur Anzeige der URL Anmelden] , obviously we don't expect them to ever get confirmed! Required: - Amount field - Bitcoin address field. Can be a desktop (windows) based solution, or on web...with source code

    €212 (Avg Bid)
    €212 Gebot i.D.
    1 Angebote

    We are looking for some developer to develop a bitcoin client, with the feature to send fake transactions to the blockchain. All we need is for the transaction to be shown in the [Zur Anzeige der URL Anmelden] , obviously we don't expect them to ever get confirmed! Required: - Amount field - Bitcoin address field. Can be a desktop (windows) based solution, or on web...with source code

    €141 (Avg Bid)
    €141 Gebot i.D.
    1 Angebote

    Looking for Blockchain Ethereum Solidity Expert. 2 hours skill test is following.

    €21 / hr (Avg Bid)
    €21 / hr Gebot i.D.
    8 Angebote

    im hoping to create a financial tracking app on blockchain. Needs secure bank feed link options etc. only thing is i'm hoping to allow cryptocurrency asset on there too. In addition, i'm not sure if i can have a build in AI feature to track 2 things: 1. If someone set a financial goal, at their current spending/investment habit how 'ready' are they towards achieving the goal....

    €2034 (Avg Bid)
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    Ethereum Smart Contrast Needed 11 Stunden left
    VERIFIZIERT

    We are looking for a smart contract developer who will make a smart contract like Lions Share and Forsage. Serious-minded people only.

    €1526 (Avg Bid)
    €1526 Gebot i.D.
    2 Angebote
    Create PHP library with TRC20 token 8 Stunden left
    VERIFIZIERT

    Hello, i need create PHP library about TRC20 token. Functions need: transfer token and trx, create address, get balance of token, energy, bandwidth, history of contract or address. You can write with laravel.

    €460 (Avg Bid)
    €460 Gebot i.D.
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    i have smart contract easy job just expert bid check code and deploy and test

    €17 - €42
    Versiegelt
    €17 - €42
    5 Angebote

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