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    5,733 ethereum jobs found, pricing in GBP

    I have all the artwork done (the base character and the 100+ traits), I just need help with everything else! I need someone who is an expert with creating smart contracts on the Ethereum Blockchain, so that I can upload all of my NFT's to Opensea. I need this person to be able to create 8,000 NFT's from the artwork I have, as well as ensure they are done correctly via smart contracts. I then want to create a website for these NFT's where I can display them, display the roadmap for the project, and have the ability to mint directly via the website.

    £553 - £1106
    Sealed
    £553 - £1106
    29 bids

    I need a developer who understands Uniswap/Ethereum & Metamask to build me a bot. I am expecting to receive Ethereum tokens and am not happy with the current state of the market. I'm looking for an automated bot to do the following: 1. Detect that an Ethereum wallet has just received a token (which I must pre-configure) 2. Determine the "High" gas fee from 3. Goto Uniswap for the token received & approve the transaction - using the High gas fee 4. Once approved transaction is confirmed, sell the tokens at market price - using the High gas fee

    £134 (Avg Bid)
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    8 bids

    ...change the variables to improve the output and incorporate how to add other algorithms to the solution. We will provide you with the exact requirements that we are looking for. Points to Note: 1. We are currently using the Q learning algorithm. We have tried PPO and A2C but there are certain problems with it. 2. We have data from about 12 crypto coins, the main ones primarily include Bitcoin and ethereum. 3. The data ranges from 2013 upto 2020. There is no consensus currently on how much training should be used for the bot (trading agent in our case ) to mature. We have run the algo at about 200 epochs and that is sufficient to mature it. 4. The code is purely in Python In summary: the goal is to implement reinforcement learning to make an automatic trading agent that learns t...

    £253 (Avg Bid)
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    8 bids

    ...on any OpenSea related protocol for confirming a transaction o Automating an Ethereum Mainnet connected Wallet , e.g. MetaMask where Zebra connects to the wallet and provides the wallet with a specific Gas fee (GWEI) and Priority Level, which information Zebra pulls from Database Z, and then sends it to the mempool - Zebra furthermore continuously exports its actions and status to Database Z and also displays this on an interface itself - Zebra has an Emergency Stop Button which cancels all ongoing transaction processes - Zebra offers, aside from transactions being executed fully automatically, an option for the user to have Zebra run semi-automatically, meaning that before sending any transaction to the Ethereum Mempool the user has to manually hit a confirm button, whi...

    £18 / hr (Avg Bid)
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    We would like to build an NFT platform with the same functionality like OpenSea. It should support NFT minting and trading on Ethereum, Polygon, and BSC. In general it should look similar to OpenSea . Blockchain and NFT experience is a must for this job. Please submit your offers. Submit your proposal document with demo.

    £16 / hr (Avg Bid)
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    21 bids
    ERC-20 TOKEN 5 days left

    I need a community-based token that will have reflections, staking, yield farming and buy back and burns. Needs to be Ethereum based, but would like to build a bridge between Ethereum and Pancake Swap. Will also need to be Audited by Certik....

    £1740 (Avg Bid)
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    38 bids

    want to deploy blockchain base e-voting system as a college project. so want developer help! now i m facing some difficulties for migrate frontend to backend have a github sources files for that but they is old stack on azure blockchain. so now want to develop on polygon mainnet ya any other testnet like polygon, ethereum please check this : but this is on azure blockchain now i want to implement on polygon /ethereum network.

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    1 bids

    Math and Cody - We are a blockchain company based out of India working on ethereum devtools and decentralized finance. We are partnering up with a award-winning, software company, and we are looking for an experienced blockchain developer with strong experience in smart-contract development. ** Applicant must be an independent Developer ** Agencies must not apply for this job ** Preferred based out of India Job Description : -------------------- Currently, we are seeking an experienced, smart-contract blockchain developer. The developer must have at-least 2 years of relevant working experience in blockchain development. Responsibilities: ---------------- Proven experience interacting with the EVM and writing high-quality, well-tested Solidity Deep understanding of EVM, Solidi...

    £11 / hr (Avg Bid)
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    10 bids

    Hi, I have deployed a smart contract to the Ethereum blockchain through some online tutorials but my NFTs don't appear on my OpenSea. I need someone to read my contract and see if they could help me rectify the problem.

    £138 (Avg Bid)
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    12 bids

    I want to build an Ethereum exchange website.

    £494 (Avg Bid)
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    24 bids

    Looking for a blockchain engineer for a 2-4-month project. You will work with a team of savvy crypto enthusiasts and experts. There are two parts to this project: - Assisting in creating the smart contract for the MVP (2-4 months); - Assisting in developing additional features post-MVP; We are building an NFT trading platform. We want you to help us create an NFT trading smart contract on the Ethereum blockchain. If you are interested in NFT's and the blockchain ecosystem, we want to hear from you! Option to extend if the 2-4-month period goes well. Required Experience: Contact with the blockchain and NFT ecosystem is mandatory; Good foundational knowledge of Solidity and blockchain development is mandatory; Experience in web3 projects is a huge plus; The goal here is to crea...

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    Nft smart contract dev 4 days left
    VERIFIED

    nft smart contract need building Pair to website mint link ERC721 on ethereum blockchain 24 hour support during live Project action and project implementation included You have to have completed a nft live drop before from website via smart contract ( NOT A MARKET PLACE ) PLS DO NOT MESSAGE AND WASTE MY TIME Similar to this website

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    83 bids
    Tom Greene 4 days left
    VERIFIED

    need coder to convert written documents into smart contracts on ethereum

    £18 / hr (Avg Bid)
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    10 bids

    Experience with , Solidity Front-end development skills with React Experience with Node JS and developing RESTful API Good knowledge of NoSql and experience with Relational Databases is a must Good knowledge of technological understanding of Ethereum Strong researcher skills in the field of distributed systems, blockchain technologies, DeFi, smart contracts

    £10 / hr (Avg Bid)
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    40 bids
    Web 3.0 P2E Game Coder 3 days left
    VERIFIED

    Create a P2E game on the Ethereum blockchain using ERC-20 Token I want to create a Pool P2E version game you walk into a Club house and play Pool Multi player mode up to 4 players the game is reversed start with black ball to brake Then white ball is how you win all the balls have herb logos that’s the concept. You bid with tokens per pool game winner takes all.

    £1941 (Avg Bid)
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    57 bids

    Details to be shared later considering the confidentiality of the project.

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    9 bids

    Do you have a passion for innovation and emerging technologies along with a firm foundation in the core principles of technology? Would you like to be a part of the early-stage development of a new firm Blockchain offering for banking and capital markets? We are currently seeking blockchain developers who are well robust in ethereum and go ethereum fork blockchains As a Blockchain Developer, you will build strategic blockchain and digital assets solutions that deliver differentiation and competitive advantages for our clients. You will help shape Zenith Chain blockchain and digital asset ecosystem, capabilities, and solutions for blockchain technologies across banking and capital markets clients we serve. Work you'll do Individuals in this role would be responsible fo...

    £184 - £553
    Sealed
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    7 bids

    ...not the same project. To be fast you will edit your readymade script. ✳️ The difference with my project regarding those current trading platforms is that: 1️⃣ On Binance and other trading platforms it is cryptos and dollar trading. ➡️ But in my case no dollar use. Have to use another currency which is XOF. XOF is some Africa countries fiat currency. With 10 Crypto coins Integration: Bitcoin, Ethereum, BNB Bep20, BUSD Bep20, USDT Bep20, USDT Trc20, USDT Erc20, Dogecoin, Tron, Litecoin. 2️⃣ On Binance and other trading platform no e-currencies trading at all. Only 2 pairs trading: - crypto/dollar - crypto/crypto ➡️ But I need 2 E-currencies intégration: PM, Payeer. So will be 4 pairs trading: - Crypto/XOF - Crypto/crypto - E-currency/XOF - E-currency/crypto Possibility...

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    We have frontend ready for our website for nft art and looking for a developer who already has nft backend and dashboard so it can be connected with our website, please be noted we need...frontend ready for our website for nft art and looking for a developer who already has nft backend and dashboard so it can be connected with our website, please be noted we need a complete solution which has a marketplace, collecters dashbaord, artist dashboard, minting of token etc. So our key requirements are : 1. Admin panel 2. integrate frontend with 4 blockchain platform ( polygon, BSC, Ethereum, Fantom) 3. minting function. add SIMBHA at start of your bid so i can understand you have read project details completely and have understood requirement and have a ready made nft backend/admin ...

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    NFT Smart Contract 3 days left
    VERIFIED

    Hello, Our team is looking for assistance to manage a smart contract development for our NFT with a collection of 10 000 assets with the following elements: - Smart contract development (Ethereum, Polygon or Solana blockchain, not yet decided) - Implementation of custom rules : max assets per wallet, giveaway, raffle, white list, reveal, dutch auction, burn system, staking system, royalty split, revenue split - Creation and setup of Smart contract owner wallet and account - Deployment on the blockchain - Securization of the smart contract - Smart contact testing - Upload of metadata and images on ipfs - Optimization strategy for the costs of gas fees Please let us know similar example of Smart contract you have been created as well as a preliminary budget and time for developmen...

    £27 / hr (Avg Bid)
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    53 bids

    Description: Its a Metamask fork that needs some modifications , mostly on UI. React Native well developed app Tasks: - Switch Polygon Network as main default one and set Ethereum as extra. - Add a new Custom ERC20 to the default tokens list. (Currenctly just MATIC, the main currency) - Add ARS (Argentinian Peso) Exchange rate. (I´ll provide the RPC url) - Get the App ready for deployment on Android and iOS. - Add Swap feature with custom Uniswap Router Current Repo: Metamask to test the App:

    £553 - £1106
    Featured Urgent Sealed
    £553 - £1106
    19 bids
    Ethereum project 3 days left
    VERIFIED

    Here i got a project about Ethereum, need functions to mint nfts, and the website build

    £677 (Avg Bid)
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    56 bids

    Launching a ETH Dapp token. Looking for an individual who specializes in Cryptocurrency coding & securities.. The project foundation is strictly built on transparency & integrity. Looking for someone who is extremely passionate about the space!

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    Launching a ETH Dapp token. Looking for an individual who specializes in Cryptocurrency coding & securities.. The project foundation is strictly built on transparency & integrity. Looking for someone who is extremely passionate about the space! Preferably a person located in Southern California.

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    NDA
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    We are looking for an experienced blockchain developer who has worked on many NFT projects before which have all launched successfully we also need the person to design the website as per our wishes with integration to the Ethereum blockchain

    £2030 (Avg Bid)
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    102 bids

    I have ETH NFT DAO project Please have previous experience with smart contracts on the ETH network.

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    15 bids

    Hello freelancers. I need 10000 NFT for my marketing and need rich experience in marketing and mint of tokens. SKILL: ethereum, Blockchain. That is the ongoing project and that is pricing test task. Thanks

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    Hello, we are an existing NFT project that was minted as OpenSea1155, we need to do a burn swap to 721 to reach our new goals. The NFT holder is to pay the gas. We have the UI ready for our website and a sample smart contract that another project used to do same swap. In conclusion we need a contract that sends the existing 1155 to a burn wallet and sending the new 721 version back to ...as OpenSea1155, we need to do a burn swap to 721 to reach our new goals. The NFT holder is to pay the gas. We have the UI ready for our website and a sample smart contract that another project used to do same swap. In conclusion we need a contract that sends the existing 1155 to a burn wallet and sending the new 721 version back to the holder. There are 3006 NFTs in the collection on Et...

    £940 (Avg Bid)
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    29 bids

    Requirements are attached. This project is well defined so bids is non negotiable. Any questions please DM me

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    ...to month and from year to year until it become just under the Bitcoin with price 42 000$ Show Bitcoin growing from 2010 until today and under it the question: why didn't you invest in Bitcoin when it was 1B= 0,3$? Show Etherium Growing until today and under it the question: do you regret not investing in Ethereum when it was in July 2015 and first traded on August 7 for $2.77. Show Binance Growing until today and under it the question: do you regret not investing in Ethereum when it was in 2017 for 0,15$. Show Solana Growing until today and under it the question: do you regret not investing in Solana when it was in 2020 for 0,82$. the end add the website, les 6 1er secondes de dépressions de covid et de crise, ...

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    NFT creation 1 day left
    VERIFIED

    Hello, Our team is looking for an experienced team to assist for the creation and launch of a NFT with the following part. Could you please share some examples of your work and estimated time and budget for the phases...some examples of your work and estimated time and budget for the phases for which you could assist ? Thanks. == 01. NFT Collection 2D design assets creation Art generative Metadata Storage to IPFS == 02. Website NFT one-page design NFT one-page development Mint one-page design Mint one-page development Mint page connection with Smart contrat == 03. Smart contract Smart contract development (Ethereum, Polygon or Solana, not yet decided) Smart contract deployment == 04. Infrastructure Website deployment Mint page deployment Securization of website Securization of...

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    We will need a developer who is able to help us to develop the blockchain portion of the backend. We will design the aesthetic of it and provide to you while you work on the backend of it. Chain: Ethereum NFT Standard - Non Fungible Only (ERC721) Storage - Blockchain Storage We will only require you to assist us to be able to whitelist addresses so that those addresses will be able to mint accordingly to not face gas war. We will need you to help us to develop the ability to allow users to mint at our site through the connectivity of their metamask via smart contracts.

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    24 bids

    ...send, play, and exchange cryptocurrencies like Bitcoin, Doge, Litecoin, Ethereum and much more for free, directly from your CWS wallet. Users: Internal (administrators and employers), faucet owners, advertisers, end users, internet users and others. Similar site: FaucetPay (but we want something better) Micropayment Wallet and Earnings Platform. Receive instant cryptocurrency payments from thousands of websites and withdraw it to your personal wallet for a very low fee. 2. Scope Full Design and Graphic Design Multiple APIs Wallets management Statistics for site manager, faucet owners and faucet users Full Site Security VPN, TOR blocking Scam detector Users and Faucet Owners Management Bitcoin, Doge, Litecoin, Ethereum, TRON, Bitcoin Lightning Integrations Crypto Exchange A...

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    Building a simple exchange to trade eth & btc. Candidates require knowledge of uniswap api, smart contracts and lnd. We can discuss more details.

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    Need a famous etherium asap

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    9 bids

    Tiny cat Socuty is a non-fungible token (NFT) collection on the Ethereum blockchain. The project was launched in June 2021 by Tiny Cat Labs

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    Cryptocurrencies are now recognized and accepted by countries and global big companies. Cryptocurrencies such as Bitcoin and “Ethereum”, which I dealt with before, helped the rise of the new digital life. That's why I want to trade metaverse-based OVR, NFC, as you know, OVR is an "Ethereum"-based virtual currency. Since I have a lot of knowledge and experience on Ethereum, I trust myself in this regard, so I wanted to embark on such a project.

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    Hi Artur A., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

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    Create a highly secure hosted NFT minting website with integration to the Ethereum blockchain and met mask and coin base wallet

    £1708 (Avg Bid)
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    The landing page is ready and built on Wix. What i need: 1. Mint button (Ethereum). 2. 5 Wallets integration. 3. Listing on OpenSea after minting. The integration has to be mobile responsive and match with overall website design. I have to be able to test all functionalities upon completion. Thanks for bidding.

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    Sealed NDA
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    20 bids

    The asset transfer smart contract covers the scenario for buying and selling high-value assets, which require an inspector and appraiser. Sellers can list their assets by instantiating an asset transfer smart contract. Buyers can make offers by taking an action on the smart contract, and other parties can take actions to inspect or appraise the asset. Once the asset is marked both inspected and appraised, the buyer and seller will confirm the sale again before the contract is set to complete. At each point in the process, all participants have visibility into the state of the contract as it is updated. There are four personas in this demo contract – the seller as the initiator, and the other three personas (buyer, appraiser, and inspector) as participants. As indicated in the visual ...

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    I need a discord tool built using sapphireJS. It’s a very simple tool, it needs to be able to do a slash command and accept an ethereum wallet address along with an email. Once the user inputs that Information, it’ll check a google spreadsheet and see if that user has submitted it before. If he has, it’ll update the spreadsheet and send confirmation to the user. If he hasn’t, it’ll input that information and then send confirmation. You MUST use the sapphireJS framework.

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    Hey, I want to test smart contracts on the Ethereum network to see how many gas units it needs for me to mint, mostlikely we can do this on the TESTNET of Ethereum. I need someone to teach me how to test myself.

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    Looking for a back-end engineer for a 2-4-month project. You will work with a team of savvy crypto enthusiasts and experts. There are two parts to this project: - Assisting in creating the backend for the MVP (2-4 months); - Assisting in developing additional features post-MVP; We are building an NFT trading platform. We want you to help us retrieve data from the Ethereum blockchain, store it in a database and display it on our frontend (done by someone else). If you are interested in NFT's and the blockchain ecosystem, we want to hear from you! Option to extend if the 2-4-month period goes well. Required Experience: Contact with the blockchain and NFT ecosystem is mandatory; Experience with Javascript and Node.js backend development is mandatory; Experience with Rust is a hu...

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    We are launching our own minteable NFT collection on ethereum network, we need a budget for that!, we have the art, the communication. We need a generator, and the upload to blockchain.

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    Hi, I want to build a new DEX website on ethereum. Pages - Home page Create Profile - Login Page Option to Login to DeFi Wallet - Page 1 summary of digital assets and value of said assets in your wallet - page 2 Detailed break down of your assets with the option to use the token swap exchange - page 3 send and receive - page 4 Exchange Explorer: - page 5 Markets statistics / trends I need a reliable developer

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    ...HAVE EXPERIENCE IN THIS FIELD. DON'T SPAM WITH PROPOSALS IF YOU DON'T HAVE ENOUGH EXPERIENCE *Looking for an absolute expert and price is negotiable depending on what you are bringing to the table. The more features and equipment the bot has, the more I am willing to pay. I need this bot to work on Windows. The standard token of choice the bot should purchase coins with should be: WETH for Ethereum Network. A simple UI for the bot where I can manage parameters such as : minimum amount of the trade, slippage tolerance, range or amount to put into trades for buy and sell orders, connection to the wallet, the token contract address (one or multiple contracts at the same time), gas price parameters. The interface needs to be easy to use. Full source code. Each line ...

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    Hello I am looking for someone to fork this contract () from the Ethereum mainnet to Binance smart chain network. The contract on ETH was deployed with hardhat and I tried to fork it but having issues doing so through remix. Quick work is needed so please only contact if you have the skill required. Thanks in advance!

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    Hi! I am ...small animation for it, the token name is essence and I want something that will look kinda similar to the picture I added, I will need 1 view of it that will serve as the logo as well and also a small animation of the token rotating with some small light particles around it so I can put on the website (added a video for referance) The picture I sent is like a pyramid but I need it more like the ethereum symbol in 3d or a gemstone (added picture), should look kinda like a special gemstone with same colors of picture I sent (the white/colored one) and a bit of light particles around it so it will look a bit "magical" (added picture). video should be of the token rotating in a loop of about 5 sec with transparent bg so i can put on my website Would love to get...

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    Need a freelancer to develop a blockchain based website using blockchains and create smart contract. Essentially, something like Please send me your previous work

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