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    55 份搜到的工作,货币单位为 USD

    Build a FTSO price Oracle using API of Crypto exchanges to grab prices of assets then calculate an average for each asset then submit the results to the Songbird Network as a hash. 1. Some of the API endpoints where price data can be collected for each trading pair: FLR/USD [登录来查看链接] XRP/USD [登录来查看链接] [登录来查看链接] curl "[登录来查看链接]" [登录来查看链接] [登录来查看链接] [登录来查看链接] LTC/USD [登录来查看链接] [登录来查看...

    $45 / hr (Avg Bid)
    $45 / hr 平均报价
    4 个竞标

    Build a FTSO price Oracle using API of Crypto exchanges to grab prices of assets then calculate an average for each asset then submit the results to the Songbird Network as a hash. 1. Some of the API endpoints where price data can be collected for each trading pair: FLR/USD [登录来查看链接] XRP/USD [登录来查看链接] [登录来查看链接] curl "[登录来查看链接]" [登录来查看链接] [登录来查看链接] [登录来查看链接] LTC/USD [登录来查看链接] [登录来查看...

    $375 (Avg Bid)
    $375 平均报价
    2 个竞标

    Hi I need someone with ready to deploy NFT minting contract for moonriver network. 10000 NFT's images.

    $269 (Avg Bid)
    $269 平均报价
    15 个竞标

    Looking to develop a relationship with coder to build derivative platform

    $5283 (Avg Bid)
    $5283 平均报价
    18 个竞标

    I am looking for someone who can help publish a new smart contract on the BSC network for a cryptocurrency token. Required skills: - Solidity, Smart Contract - OpenZeppelin's library - Truffle - BSC Network I will provide more details to a right candidate.

    $65 (Avg Bid)
    $65 平均报价
    12 个竞标

    Hi, Im looking for a software/script/bot that interact with Axie Infinity Marketplace [登录来查看链接] (is a website market of a game) and buy axies for me automatically based on my preferences and filters. It involves a lot of knowledge in smart contracts and programming skills. I don't want a website, just need to run in my machine not online. I don't care about front-end, just needs to be fu...

    $647 (Avg Bid)
    $647 平均报价
    9 个竞标

    Hello, I need an ERC-721 smart contract tested on etherscan test net and Opensea test net.

    $25 (Avg Bid)
    $25 平均报价
    6 个竞标

    Hello I need help with an error I keep running into with remix while trying to deploy a contract. Gas estimation errored with the following message (see below). The transaction execution will likely fail. Do you want to force sending? Internal JSON-RPC error. { "code": -32000, "message": "execution reverted" } If you have experience and can fix this let me know i...

    $178 (Avg Bid)
    $178 平均报价
    14 个竞标

    Hello I have ran into an isue while deploying my contract on bsc testnet and woul like to check if anyone here could help me with solving this. I keep getting this when trying to deploy Gas estimation errored with the following message (see below). The transaction execution will likely fail. Do you want to force sending? Internal JSON-RPC error. { "code": -32000, "message"...

    $20 (Avg Bid)
    $20 平均报价
    1 个竞标

    I am looking for an experienced blockchain expert to create 3 smart contracts for: BSC (BEP20), HECO, POLYGON. Furthermore, you will help burn some tokens from already created smart contracts on ETHEREUM BLOCKCHAIN, Tron Blockchain & Wave Blockchain.

    $160 (Avg Bid)
    $160 平均报价
    7 个竞标

    Hi, I have been involved with NFT's for over a year now and have been very active in the space. I have a strong community following on the topic and have already created my original NFT collection of 100 hand-drawn NFTs. These have sold out and have a total trade volume of 20ETH. For the next step, I am looking for a smart contract developer to implement the following: - A tokenization sy...

    $1180 (Avg Bid)
    $1180 平均报价
    24 个竞标

    SPECS : - WordPress / Node.js or any other kind of website integrated web3 - Minting Mechanism and sales to buy max 10-20 NFT at a time using ETH. - Metamask, opensea, rarible integration - System to cross-reference wallet address currently holding avatars to allow for: - Airdrops - Access to restricted content/discord - Unlockable content REQUIREMENTS : - Please mention in your bid you...

    $2508 (Avg Bid)
    $2508 平均报价
    8 个竞标
    ERC 721 Smart Contract 6 天 left
    已验证

    Generate my collection with the metadata, upload the content to a fully decentralized server, script/deploy my smart contract, and create a simple dApp with minting functionality and possibly webpage development/design (not necessary if not experienced). Fully randomized traits, and include a pre-sale option in the smart contract. Looking to have the initial metadata hidden when minting takes plac...

    $654 (Avg Bid)
    $654 平均报价
    23 个竞标

    i need who will do smart contract ,solana nft

    $25 / hr (Avg Bid)
    $25 / hr 平均报价
    5 个竞标
    Web3 Developer 5 天 left

    Need a web3 developer to work on a NFT project on Ethereum & Solana.

    $3274 (Avg Bid)
    $3274 平均报价
    28 个竞标
    BSC smart contract 5 天 left
    已验证

    Total purchase tax: 15% 7% in BNB for holders 5% for marketing 3% injected into liquidity. Sales tax: 20% 10% for holders 5% marketing 5% injected for liquidity With an option to change the buy and sell transaction fees for the launch [登录来查看链接], Total purchase tax: 15% 7% in BNB for holders 5% for marketing 3% injected into liquidity. Sales tax: 20% 10% for holders 5% marketing 5% injected for li...

    $246 (Avg Bid)
    $246 平均报价
    4 个竞标

    Create a website using [登录来查看链接] SDK with all the functionalities offered by [登录来查看链接] including affiliate and referral programs. The system should allow a non tech savvy user to just upload the images and allow one of our collaborators to assist. Develop a smart contract on the ETH network so that it can receive payment from [登录来查看链接] and distribute it to the previously specified ETH wallets. T...

    $2451 (Avg Bid)
    $2451 平均报价
    28 个竞标

    create randomly generated Nft with chainlink rng rng = visual repusentation on nft. build website, that you can Mint nft from. on going work for successful stage 1 built. (stage one outlined above). more info upon request.

    $15 / hr (Avg Bid)
    $15 / hr 平均报价
    12 个竞标

    Looking for the developer that develop the defi project like pancakeswap

    $837 (Avg Bid)
    $837 平均报价
    7 个竞标

    I need someone to help with development of the backend to a website dealing with assets and smart contracts.

    $627 (Avg Bid)
    $627 平均报价
    20 个竞标

    Create a custom Decentralized Exchange (DEX) that supports bank transfers as a funding option.

    $280 (Avg Bid)
    $280 平均报价
    12 个竞标

    Hello. We are looking to hire someone that has experience in illustrating an NFT collectible project that will ultimately contain 3,000 unique pictures (no duplicates and different rarities), randomizing approximately 70 different layers. We have the idea, but need help with the illustrations. We are also looking to hire someone that has experience with the entire technical process of creating a...

    $2421 (Avg Bid)
    $2421 平均报价
    35 个竞标

    Hi, we are looking to establish a trading platform using the Chia network. Can you advise how you can assist us thanks in regards to preparing a smart contract and a way to trade our service/product, are you able to use an NFT or coin type of currency that can be varied by the Chia Network?

    $1425 (Avg Bid)
    $1425 平均报价
    10 个竞标

    I am looking for someone knowledgeable about all matters "blockchain" to write a) high-quality, complete, thorough, well-researched proposals and b) responses in good English to questions ... related to projects to develop or deploy blockchains / wallets / smart contracts / cryptocurrencies / NFTs / DeFi apps, etc. Is this something you would be interested in? I would pay for writin...

    $5 / hr (Avg Bid)
    $5 / hr 平均报价
    4 个竞标

    You: - Must be a knowledgeable, experienced, and well-rounded blockchain old-timer. - Must be able to point to an impressive portfolio of past blockchain projects where you cut your teeth. - Must be up to date with the latest technical developments and advances in the blockchain sector. - Must be fluent in English (both written and conversational) and be a persuasive, professional communicator wi...

    $20 / hr (Avg Bid)
    $20 / hr 平均报价
    10 个竞标

    I am looking for an experienced blockchain agency to work on projects. You will be working for me and with my clients. You: - Must have a track record of successful blockchain projects. - Must be a believer in the merits of Test Driven Development. - Must be able to write and speak in English, clearly and fluently. - Must be fluent with git. - Must be willing to sign an NDA (at a later stage in ...

    $20 / hr (Avg Bid)
    $20 / hr 平均报价
    10 个竞标

    I am developing a dapp which is nearly complete. I was responsible for writing smart contracts, but it hardly works because the code is not so good consuming much gas. Well-experienced with developing smart contracts are needed for this smart contract. I will pay high who have appropriate skills and experience. Please write "smart contract expert" in the beginning of the bid. Thank you.

    $577 (Avg Bid)
    $577 平均报价
    6 个竞标

    Our company is looking for blockchain developer that can write the smart contract to integrate our token with our application. You should be able to write the smart contract with solidity and integrate with Polygon token to our application.

    $37 / hr (Avg Bid)
    $37 / hr 平均报价
    34 个竞标

    Build out a smart contract on BSC chain. Please do NOT bid on this project if you have never worked using solidity. More details (Functional Requirements) will be provided to the right bidder.

    $1247 (Avg Bid)
    保密协议
    $1247 平均报价
    25 个竞标

    Need blockchain and crypto based expert developer Should have expert knowledge of blockchain, trading, crypto and should know all the binance api integration and use.

    $2245 (Avg Bid)
    $2245 平均报价
    11 个竞标

    [登录来查看链接] is a young, up-and-coming company from Germany. We want to become a specialized NFT marketplace for influencers and streamers. We focus mainly on the online video gaming segment. We are a fast growing company with a broad network in the gaming and Esports sectors. We make sure that the experience between streamers and fans is raised to a new level. Together we want to build a leading bra...

    $21 / hr (Avg Bid)
    $21 / hr 平均报价
    10 个竞标

    We already have developed the Smart contract for BSC token written in solidity, we need Claim feature, Airdrop and snapshot for our existing smart contract. Individual can only apply for this job. Best Regard's Prashant

    $383 (Avg Bid)
    $383 平均报价
    4 个竞标

    I want to build a trading dapp on Cardano. You must be an expert at Haskell lanuage and be able to finish the project in a few days.

    $757 (Avg Bid)
    $757 平均报价
    7 个竞标

    Hello, This job is one simple task. Airdrop our defi natvive token to 6,1k users. We want to send the tokens and pay the BSC transfer fee needed for this. So we dont want Withdrawal button for users. Just direct send to list off adresses with amounts. If you can do this in 24hrs you are the right person for the job.

    $485 (Avg Bid)
    $485 平均报价
    23 个竞标

    We already have developed the Smart contract for BSC token written in solidity, we need Claim feature, Airdrop and snapshot for our existing smart contract. Individual can only apply for this job. Best Regard's Prashant

    $373 (Avg Bid)
    $373 平均报价
    4 个竞标
    Website for NFT videogame 1 天 left
    已验证

    We need a Dev who can create a website for a video game with an nft marketplace and the sale of chests with nft of random game characters

    $1541 (Avg Bid)
    $1541 平均报价
    14 个竞标
    Proxy pool 1 天 left
    已验证

    Hi there I need an expert in proxy networking, Please reach me out to discuss more on the project for proxy mining pool experts only.

    $30 (Avg Bid)
    $30 平均报价
    2 个竞标

    Hey all, I am looking for an Angular developer who can integrate a smart contract into it, Website is already built, just needed to add a small functonality. The selected freelancers will have the opportunity to work for long term More details in chat.

    $356 (Avg Bid)
    $356 平均报价
    13 个竞标

    Hi I'm looking for a developer that are able to do all the required programing in order to develop and mint NFT project on the Terra/Luna ecosystem. The project will also have a token, which has to be dropped monthly to those who has the rarest nfts. The project will have between 5.000 and 8.000 3D images that i'm already working on Thanks!

    $208 (Avg Bid)
    $208 平均报价
    8 个竞标
    Smart Contract 1 天 left

    We need someone who knows deployment on smart contract and also a full stack developer

    $2300 (Avg Bid)
    $2300 平均报价
    30 个竞标
    Bep20 token 1 天 left

    Hi All please read properly before pricing. I would like you to create a token like guh with changes, please read the white papers and check the dashboard. [登录来查看链接] Want the following change done to the token: 1) want a positive and negative rebase and not only negative 2) Want the following the following changes made to the tax: 2% for marketing 2% for LP 2% for owner 4% for holders(reward i...

    $594 (Avg Bid)
    $594 平均报价
    23 个竞标

    want ICO website in Dapp Browser with Bsc Technology

    $1034 (Avg Bid)
    $1034 平均报价
    7 个竞标
    DeFi dapp developer -- 2 1 天 left
    已验证

    Looking for DeFi developer who has experience in web3, solidity smart contract, smart contracts, metamask, binance wallet and wallet connect.

    $36 / hr (Avg Bid)
    $36 / hr 平均报价
    29 个竞标
    DeFi dapp developer 1 天 left
    已验证

    Looking for DeFi developer who has experience in web3, solidity smart contract, smart contracts, metamask, binance wallet and wallet connect.

    $37 / hr (Avg Bid)
    $37 / hr 平均报价
    33 个竞标

    Hola a todos Estamos buscando para nuevo proyecto basado en red BSC , buscamos a Devs para incorporar a nuestro proyecto, que tengan capacidades en Desarrollo CrossChain Bridge , Dex, y desarollo con Metamask integrado. Es un proyecto que saldra al mercado Cryoto en un mes, mas o menos y tenemos ya Dapp listas, necesitamos ampliar nuestros colaboradores y partners. Nos gustaria saber un poco ma...

    $1198 (Avg Bid)
    $1198 平均报价
    17 个竞标
    XRPL PROTOTYPE 19 小时 left

    Create a prototype NFT marketplace on the following XRPL standards (any ONE of them can be chosen OR a combination of mixed protocols OR a fresh concept): [登录来查看链接] [登录来查看链接] [登录来查看链接] DELIVERABLES: NFT Minting button (front end action button with proof of ledger minting the token) NFT Transfer (front end action button with proof of change in token ownership) NOTES: *We need a prototype with...

    $15 / hr (Avg Bid)
    $15 / hr 平均报价
    5 个竞标

    We what DeFi Dapp / Crypto broker platform that connects to the best staking pools. If the staking pool offers 100% APY, we will offer 70% APY to the customers. The platform is a user friendly platform. Users will see different staking pools e.g. lion pool is 100% APY, Leopard Pool 50% APY, Cheetah Pool 10% APY. Details of Risk.

    $250 (Avg Bid)
    $250 平均报价
    1 个竞标
    Blockchain Guru 15 小时 left

    I will share the details in private message

    $638 (Avg Bid)
    $638 平均报价
    13 个竞标

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