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.

Πρόσλαβε Blockchain Developers

Φίλτρο

Οι πρόσφατες αναζητήσεις μου
Φιλτράρισμα κατά:
Προϋπολογισμός
σε
σε
σε
Είδος
Δεξιότητες
Γλώσσες
    Κατάσταση Δουλειάς
    27 δουλειές που βρέθηκαν, με τιμές EUR
    Escrow Website Like https://remitano.com/ 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need an experienced web developer to develop a website like [κάνε είσοδο για να δεις το URL] Please bid.

    €474 (Avg Bid)
    €474 Μέση Προσφορά
    40 προσφορές
    Issue a Token in Binance Chain 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I would like to issue a token on Binance Chain. Please bid if you know how to do. Please show your sample token on Binance Chain.

    €8 - €20
    €8 - €20
    0 προσφορές
    Blockchain Solidity Smart Contract Bug Fix and Implement 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Blockchain Solidity Smart Contract Bug Fix and Implement Existing Codes on dapp, on rinkeyby, and aws, of the following contracts: Lottery, Auction, ICO Real Estates Bank Art Work Betting The job very is pretty simple. We got some codes that need to work and implemented. The codes are of Smart Contracts. You need to work with my co-worker and deliver all the requirements. Some online live sessions...

    €135 (Avg Bid)
    €135 Μέση Προσφορά
    6 προσφορές
    Blockchain Project 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Working on a payment API idea by blockchain tech. Only who has experience building blockchains plz. Execution of smart contracts and parcoins exchange and ewallets pegging to fiat currency. Talk more for details and agree on price.

    €245 (Avg Bid)
    €245 Μέση Προσφορά
    12 προσφορές
    Blockchain developer 6 μέρες left

    Looking for a developer to implement a custom Block Explorer interface for our blockchain. Please contact us if you have worked on similar projects in the past and share details as much as possible, if you are familiar with back-end requirements of existing block-explorer projects, or understand all the components and are looking to bring a vision to reality.

    €586 (Avg Bid)
    €586 Μέση Προσφορά
    19 προσφορές

    We are looking for a legal person who has experience of Initial Exchange Offering, Security Token offering. Juridisication: Europe

    €130 (Avg Bid)
    €130 Μέση Προσφορά
    7 προσφορές
    customized ERP in blockchain technology 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    i required customized erp with the latest technology in blockchain ERP application with all the module Master Setup Finance and Complete Accounting Complete HRMS Complete CRM Complete Asset management Manufacture and Production Project Management Sales and Purchase Inventory API integration E-commerce Integration Complete Restaurant POS system integrated Complete Retail POS System integrated De...

    €1149 (Avg Bid)
    €1149 Μέση Προσφορά
    22 προσφορές

    도서정리 mvp를 개발하려고 합니다. 반응형웹으로 디자인되어 있으며, frontend 디자인과 코드는 이미 작업되어 있습니다. ISBN의 입력을 통해 도서DB API에 접속하여 결과를 확인하고 자신의 계정에 해당도서정보를 등록하게 됩니다. 도서가 있을 경우, ICON에서 제공하는 스마트 컨트랙트를 이용하여 별도로 토큰을 제공합니다. 자세한 개발문서는 [κάνε είσοδο για να δεις το URL] 를 통해 볼 수 있으며, 디자인된 site는 [κάνε &eps...

    €5085 (Avg Bid)
    €5085 Μέση Προσφορά
    15 προσφορές

    1) It is about discovering the vulnerabilities in Ethereum Smart Contract using the security tools like Securify, Mythril, Oyente, Smart Check and rectifying them with the new code of approach to ignore these identified vulnerabilities. 2) We need the screenshots of this identification of vulnerabilities performed in the above security tools and do demonstration in a test case for six vulnerabili...

    €372 (Avg Bid)
    €372 Μέση Προσφορά
    7 προσφορές
    Cryptocurrency Developers 5 μέρες left

    I need cryptocurrency developers who have a linkedin, and a github. You must have been a contributor to crypto projects on github. We are a ETH based start up, but we are doing a lot within the crypto real. The chosen candidates will be part of our real team, so only apply if you are willing to be a part of fast growing startup.

    €16 (Avg Bid)
    €16 Μέση Προσφορά
    7 προσφορές
    Clikfunnels Expert Needed 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    The Bitcoin City Project is looking for someone who is well experienced in operating clickfunnels. Reply "Hey BCP" for more details.

    €33 / hr (Avg Bid)
    €33 / hr Μέση Προσφορά
    10 προσφορές
    Develop a complete business website 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    The Bitcoin City Project is looking for a well experienced website developer who can build a clean and crisp site. Reply "Hey BCP" for more details.

    €30 / hr (Avg Bid)
    €30 / hr Μέση Προσφορά
    88 προσφορές
    Clone or Fork Pivx Coin (POS/MN Only, no POW) 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Want someone to create a new coin from PIVX source code. Fully functional, automatic and ready to use Crypto currency forked from PIVX. With all PIVX features: anonymous transactions, nodes, staking etc. Finished product should include bash file for easy setup of a masternode VPS on Ubuntu 18.04, and QT GUI wallets for Linux, Windows, Mac. Finished blockchain should not have Proof-of-work mining c...

    €14348 (Avg Bid)
    €14348 Μέση Προσφορά
    14 προσφορές
    Blockchain for IoT 5 μέρες left

    Develop 1.A security architecture for Internet of Things using Blockchain 2. Smart contract for IoT edge devices 3. Decentralized consensus for resource constrained IoT devices

    €273 (Avg Bid)
    €273 Μέση Προσφορά
    7 προσφορές
    Build a Crypto Currency Exchange Platform Using Java 4 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Requirements for a team: 1) Senior Java Background. 2) Solid Security and Cyber Security Background. 3) Must know how to create full nodes for the coins and tokens listed and offer liquidity solutions. 4) This is only for experienced firms and long term work can be offered! Pay will be for this project and 4 months of full support and security must be included. This is an ongoing long term proje...

    €4834 (Avg Bid)
    €4834 Μέση Προσφορά
    35 προσφορές
    Build me a cryptocurrency decentralized exchange based on TRON 4 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I'm looking for an expert developer! Build me a cryptocurrency decentralized exchange based on TRON You must have to show your previously developed project in the description. If you won't mention the similar project which you have done...I am not gonna reply...

    €621 (Avg Bid)
    €621 Μέση Προσφορά
    16 προσφορές
    €3911 Μέση Προσφορά
    38 προσφορές

    Hi we need a CryptoCurrency & Blockchain Developer for our company work there two phases of this project first we will do simple phase 1 then move to phase 2

    €142 (Avg Bid)
    €142 Μέση Προσφορά
    26 προσφορές
    Get app source 3 μέρες left

    I'd like to get the app source from google app store. App:[κάνε είσοδο για να δεις το URL] If you know about it, please contact me

    €19 / hr (Avg Bid)
    €19 / hr Μέση Προσφορά
    8 προσφορές

    We need JavaScript functions for creating EOS address, send EOS, RECEIVE EOS, and query EOS balance

    €91 (Avg Bid)
    €91 Μέση Προσφορά
    1 προσφορές
    install a fully functional waves paltform blockchain 2 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need someone to install a fully functional waves paltform, a dex ( decentraliez exchange of [κάνε είσοδο για να δεις το URL] and their gitub is [κάνε είσοδο για να δεις τ&o...

    €262 (Avg Bid)
    €262 Μέση Προσφορά
    11 προσφορές
    Bitcoin Blockchain text download 2 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Put all bitcoin Blockchain text in a single word document in order. I want to read all the text from the very first entry by Satoshi.

    €281 (Avg Bid)
    €281 Μέση Προσφορά
    13 προσφορές

    We want to implement confidential asset for a blockchain. Currently, the blockchain only supports confidential transaction, we need to add support for confidential asset, including issuing, reissuing and burning tokens. Candidates should be familiar with MimbleWimble protocol, ECC based crypto algorithm, surjection proof, bulletproof and solid c++ programming skills.

    €6528 (Avg Bid)
    €6528 Μέση Προσφορά
    37 προσφορές

    Small project ( 2 to 3 pages ) about the idea of using Blockchain in the Egyptian banking sector , pros and cons and barriers .

    €30 (Avg Bid)
    €30 Μέση Προσφορά
    20 προσφορές

    5 friends (Alice, Bob, Carol, Dave, and Emma) are participating in an egg-hunt game where they are looking for hidden plastic eggs. Each egg is worth a certain number of points, and the goal of the game is to accumulate one million points (or more). We would like a commitment scheme where each of the players can proof he/she has 1 million points from the eggs they found, while revealing zero knol...

    €169 (Avg Bid)
    €169 Μέση Προσφορά
    5 προσφορές
    mining BTC production 2019 : 2025 5 ώρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hello, I want a simple mining calculator of BTC coin production built on known difficulty of BTC eruption rates from year 2019 to 2025 with variable hash rate input. Thank you

    €23 (Avg Bid)
    €23 Μέση Προσφορά
    4 προσφορές
    Building A Stock Trading Platform Simulator Λήγει left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We are a Day trading school and we want to build our own trading platform ( Simulator ) where our student can train taking trades in the simulator ! -The platform we want to copy is ( Dastrader ) : please download the platform and see it before contacting us Link to download : [κάνε είσοδο για να δε&iota...

    €478 (Avg Bid)
    €478 Μέση Προσφορά
    10 προσφορές

    Κορυφαία Blockchain Άρθρα Κοινότητας