Ethereum is a decentralized platform that runs smart contracts- applications that run exactly as programmed without any possibility of downtime, censorship, fraud or third party interference. Από 40402 αξιολογήσεις, οι πελάτες δίνουν Ethereum Developers 4.83 από 5 αστέρια
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    20 δουλειές που βρέθηκαν, με τιμές EUR
    Blockchain EVM 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Create an EVM blockchain with an infinity of words that are generated by the blockchain and not known words as currently to counter quantum computers

    €2738 (Avg Bid)
    €2738 Μέση Προσφορά
    73 προσφορές
    Smart Contract Expert Required 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need a SMART CONTRACT EXPERT who can check our existing smart contract and sort out the slippage issues that is resulting in our bot being attacked and sandwiched by other bots. It's a small smart contract with a basic buy and sell function. I am looking for the right person with the right experience who can explain to us why this happening and how YOU can resolve this issue.

    €201 (Avg Bid)
    €201 Μέση Προσφορά
    58 προσφορές
    Looking for electron dev who can generate wallet on desktop app 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hi, how are you? our project was build by electon app. UI design was already completed. Now we need to integrate wallet function But metamask or other wallets are not integrating with desktop beccause they are chrome extension. So our plan is to generate wallet keys automatically using module and fetch to frontend. Please suggest me to work on our project. Thanks

    €154 (Avg Bid)
    €154 Μέση Προσφορά
    34 προσφορές
    Build a rebase crypto token 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Need someone who can build rebase crypto token on BEP20 similar to safuu or titano. If you have worked on similar project then only bid must be an individual

    €320 (Avg Bid)
    €320 Μέση Προσφορά
    20 προσφορές

    I have an unfinished internet project. this is a site made on django and there is also a mechanism for working with smart contracts (etherium) - creation, status change, completion with the transfer of funds to clients' wallets. What needs to be done: - fix layout issues - fix or create some pages - create a messaging system for communication between clients and with site administrators - write the code of a full-fledged smart contract with all the necessary methods and with separation of access rights to methods - connect project to PostgreSQL instead of sqlite3 - (possible) complete the API (FastAPI) for working with smart contracts - bring the entire system to the state of MVP at all What I have: - current code which is stored in two Bitbucket repositories - specifications And I...

    €481 (Avg Bid)
    €481 Μέση Προσφορά
    31 προσφορές
    Create a MEV/Sandwich bot works on dexs for ethereum and binance 4 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    You have to create a mev bot, which buy and sell in sam block on ethereum and binance. Only apply if you have experience with such type of bots.

    €3161 (Avg Bid)
    €3161 Μέση Προσφορά
    9 προσφορές

    Need smart contract developer BSc for presale contraction n testing. Developer from India only

    €6 / hr (Avg Bid)
    €6 / hr Μέση Προσφορά
    10 προσφορές
    Develop Dex/Defi protocols like Sushiswap 4 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    *This proposal is only open to those who have forked and customized Sushiswap in the past. As a condition for selecting a developer, we will ask you to submit your portfolio of a Dex/Defi project that you have developed in the past. And then reviewing it we will decide on the developer of this job. We would like to create the following system. List of main features 1. Cross-chain Swap (like "xSwap" in Sushiswap 2.0) Minimum supported chains: Ethereum, Binance Smart Chain, Polygon (more is even better) 2. Multi-chain liquidity mining pool (like "Earn" in Sushiswap 2.0) Minimum supported chains: Ethereum, Binance Smart Chain, Polygon (more is even better) 3. Staking with own native token (normal staking or like Sushiswap staking [Sushi - xSushi]) Our native ...

    €2391 (Avg Bid)
    Προεξέχον
    €2391 Μέση Προσφορά
    53 προσφορές

    I'm interested in discussing my business plan which includes a complete 1inch copy (with integrated self-custody wallet). I'd also like to include perpetuals / futures (similar to dydx) either now or in the future.

    €2529 (Avg Bid)
    €2529 Μέση Προσφορά
    31 προσφορές
    ERC721 Protocol for my Business 3 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We are looking for a ERC721 Developer for our new Startup. We are looking for someone who is able to setup a whole NFT launch and Minting process.

    €2383 (Avg Bid)
    €2383 Μέση Προσφορά
    73 προσφορές

    Execute project taking Ethereum data in GCP Big Query and translating it to a set of tables. Transformations include adding labels, and decoding with ABI files. Majority of code in proof-of-concept form. Results: Transformed code in BQ tables.

    €148 (Avg Bid)
    €148 Μέση Προσφορά
    6 προσφορές
    Build an Ethereum Blockchain Copy Proof of Stake 3 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hey guys, I want you to build an ethereum type blockchain - private chain for me based on proof of work. There should be 3 running nodes all running. I must be able to connect to my chain from windows pc and launch smart contracts.

    €2812 (Avg Bid)
    €2812 Μέση Προσφορά
    107 προσφορές
    ERC721 Protokoll 2 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We are looking for a ERC721 Developer for our new Startup. We are looking for someone who is able to setup a whole NFT launch and Minting process.

    €2395 (Avg Bid)
    €2395 Μέση Προσφορά
    96 προσφορές
    Create a MEV/Sandwich bot on Ethereum 2 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    You have to create a sandwich/mev bot which works on ethereum and bsc. You must have prior knowledge of how it works and you must have created that in past.

    €418 (Avg Bid)
    €418 Μέση Προσφορά
    8 προσφορές

    You need to create a smart contract which do buy and sell in same block using sandwich trading. You must have done that successfully in past.

    €339 (Avg Bid)
    €339 Μέση Προσφορά
    13 προσφορές

    I want you to develop a Nodejs script to detect newly deployed tokens on Ethereum and Binance and store the following properties on a MongoDB. ? ETHER: 0x39834c54d329567363D5D474fF8C97c21e2a351d ? Liquid: 37% in Uniswap. ? Holders: 64 3.0% | 2.8% | 2.4% | 2.0% | 2.0% | 1.9% | ? MCap: $ 8,775 (WETH: $1186.61) ? Liquidity: 2.72 WETH ? LP Lock: 99.00% locked for 27 days on Unicrypt ? Fee: Buy: 4.00% | Sell: 4.00% ? Max Buy: 176370.182711258(0.15 WETH) Above is an example.

    €302 (Avg Bid)
    €302 Μέση Προσφορά
    67 προσφορές

    Need smart contract developer BSc for presale contraction n testing. Developer from India only

    €8 / hr (Avg Bid)
    €8 / hr Μέση Προσφορά
    10 προσφορές
    Ethereum node sync issues 1 μέρα left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Ethereum full node syncing slowly and litenode doesnt get synced. Need someone who can fix the issue quickly. Should have hands on experience on Geth Nodes and handlh Beacon ETH chain.

    €10 / hr (Avg Bid)
    €10 / hr Μέση Προσφορά
    9 προσφορές

    Need a smart contract developer for smart contraction interaction ico contract with the front end. need from India only.

    €5 / hr (Avg Bid)
    €5 / hr Μέση Προσφορά
    12 προσφορές
    Need ABI of solidity contract address 19 ώρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

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

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