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    12 δουλειές που βρέθηκαν, με τιμές EUR
    Dev ops to manage crypto platform 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need a dev op to manage my website over a longer period of time, at least 6 months. Just maintenance stuff, bug resolution if any Trouble shooting and bug resolution for front ui with smart contract

    €635 (Avg Bid)
    €635 Μέση Προσφορά
    5 προσφορές
    Privacy as a Service on the Blockchain 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Request details Development of Layer 2 - Secure privacy focused apps and contracts on EVM compatible chain. ZK-Snark - Zero Knowledge Proof transactions and Oracles. Own chain development.

    €531 (Avg Bid)
    €531 Μέση Προσφορά
    26 προσφορές
    NFT Marketplace 5 μέρες left

    Our company needs to develop an NFTs Marketplace where focused on audiovisual artworks

    €7839 (Avg Bid)
    €7839 Μέση Προσφορά
    49 προσφορές
    solidity to set up nft smart contracts 4 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Need someone good at solidity to set up NFT build up system for internal use

    €255 (Avg Bid)
    €255 Μέση Προσφορά
    43 προσφορές

    Job Description: Hello Everybody, I am looking for a Dev who can make an arbitrage Bot to do arbitrage trades on multiple DEX platforms. and diferent blockchain (Ethereum, BSC or/and Polygon 1. The Bot must be able to scan for opportunities and detect price differences between exchanges. 2. Once an opportunity is identified, the Bot must quickly execut trade. 3. The Bot must be able to determine the necessary amount and execut arbitrages with the appropriate gas fee to avoid being outrun by other bots. 4. The bot must be able to pay the gas fees and send the profits to the wallet address of the owner. 5. The Bot must also be able to utilize Flash Loans from AAVE and/or DYDX. I am waiting for your proposals. Thank you.

    €441 (Avg Bid)
    €441 Μέση Προσφορά
    18 προσφορές

    Necesito alguien que entienda el lenguaje de programación Solidity para que revise un contrato de aproximadamente 1000 - 1400 líneas de código (funcionando correctamente) para que me explique a grandes rasgos cómo funciona.

    €153 (Avg Bid)
    €153 Μέση Προσφορά
    7 προσφορές
    Smart contract development in solidity 2 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Blockchain project smart contracts development for a trading system In Solidity

    €592 (Avg Bid)
    €592 Μέση Προσφορά
    27 προσφορές

    Website consisting of a NFTS Marketplace with: • Registration with username (email) and password, KYC process and form with multiple choice questions. Completing these three steps will be mandatory in order to be able to buy an NFT in the marketplace. • Allowed wallets: Metamask and Bitski (mandatory) and other major wallets. • Simple Calculator application, with values calculated based on the NFT and inputs provided by the user (not complex). • Option to pay with Moonpay (exactly the same as in Opensea and other platforms with Moonpay integration). • Section to see your NFTs and those you have put up for sale, with the characteristics of each one (basically the "My account" or "My profile" section that all marketplaces have). • Cover page...

    €2077 (Avg Bid)
    €2077 Μέση Προσφορά
    38 προσφορές
    DECRYPTING A SMART CONTRACT 1 μέρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hi I am looking for someone to decrypt an encrypted smart contract for me. I don't own the smart contract but need to see the encrypted info in the contract. You must have previous experience of this.

    €488 (Avg Bid)
    €488 Μέση Προσφορά
    30 προσφορές
    I need an Crypto Arbitrage Bot 1 μέρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hello Everybody, I need an Low Cost Crypto Arbitrage Bot : The Bot will search in any pairs for opportunities and find price differences in all CEX and DEX. At the right time it will make the trades quickly with the appropriate Gas Fee to avoid being outrun by other Bots and send the Benefits to Owner’s Wallet. Finally, occasionally it must also be able to use Flash Loans from AAVE and/or DYDX still with features mentioned above. My budget is between $100-200. No need to answer me if your proposal will be more than my budget. I am waiting for your proposals. Thank you.

    €150 (Avg Bid)
    €150 Μέση Προσφορά
    20 προσφορές
    Looking for Low Cost Dev to Build an Arbitrage Bot 9 ώρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hello Everybody, I am looking for a Dev who can make an arbitrage Bot to do arbitrage trades on multiple DEX platforms. 1. The Bot must be able to scan for opportunities and detect price differences between exchanges. 2. Once an opportunity is identified, the Bot must quickly execut trade. 3. The Bot must be able to determine the necessary amount and execut arbitrages with the appropriate gas fee to avoid being outrun by other bots. 4. The bot must be able to pay the gas fees and send the profits to the wallet address of the owner. 5. The Bot must also be able to utilize Flash Loans from AAVE and/or DYDX. I am waiting for your proposals. Thank you.

    €139 (Avg Bid)
    €139 Μέση Προσφορά
    20 προσφορές
    Smart contract with dApp 9 μέρες left

    I need pre-build ERC721A Merkleproof gas optimized smart contract with all other functions with dapp integrated code. in this way I can use code with multiple project

    €9 - €28
    Σφραγισμένο
    €9 - €28
    9 προσφορές

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