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    14 jobs found, pricing in CAD
    Start with: Write Use Cases 6 days left
    VERIFIED

    SMART CONTRACTS Looking to write these use cases, and then (maybe) develop them. Need to write use cases for the following: Smart Contract as Title: I imagine tradeable token(s), that are linked or? One token will show the state of all the fractional title holders within the whole of a titled object, and other tokens will represent fractional ownership of the whole (I’m open to ideas on how to do this). I have questions about how much data I can or should store on-chain. I imagine an excel-like spread sheet shows all relevant data- which may be on or off chain with a decryption key provided if off chain. Smart Contract to Create Crypto Currency: Create a Crypto Currency that admin sets quantity in circulation—Presumably an ERC-20 Token Smart Contract as Title and Account...

    $270 (Avg Bid)
    $270 Avg Bid
    6 bids
    Web3.py and Solidity Tutor 6 days left
    VERIFIED

    Looking for someone who can teach me web3py and solidity I already know solidity and basics looking for advanced

    $16 / hr (Avg Bid)
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    3 bids

    Hello! I'm trying to make a simple coin swap site. Who can help me?

    $3352 (Avg Bid)
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    50 bids

    We are building a blockchain platform for decentralised applications (Dapps) and helping to create a blockchain ecosystem that allow for scaling and connecting disparate blockchains. We are looking for a member who has • Excellent Understanding of Blockchain Technology • Proficiency in at least one high-level programming language • Solid grasp of cryptography and security principles • Experience with distributed systems and peer-to-peer networking • Knowledge of smart contracts • Familiarity with Algorithm and Data Structures

    $50 / hr (Avg Bid)
    $50 / hr Avg Bid
    65 bids

    Creation of a website for integration with web wallets 3. (the most common, such as Metamask, etc.). Within the site a specific section for the Marketplace (opensea type) for the sale of NFTs. The NFTs in GBL file questions are 3D models for the metaverse. It will be important to implement the ERC1135 (multi token) protocol and the ERC4907 (Rentable) protocol in the NFTs that will be minted on the Polygon blockchain.

    $52 / hr (Avg Bid)
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    52 bids

    I want someone to make a smart contract that lends my own created token to the borrowers and they have to first provide collateral. if they dont give the lending amount back their collateral will go to the dev wallet

    $592 (Avg Bid)
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    19 bids

    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.

    $296 (Avg Bid)
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    59 bids

    front end developers needed for web3 commerce platform, react + sodality

    $18 / hr (Avg Bid)
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    73 bids
    Need three types of dapps 1 day left
    VERIFIED

    Hello looking for dev to make three dapps for a low budget project on Avalanche. The most immediate is an NFT collection viewer/explorer. I have code for one we can modify if that would be easier and faster. I also need a dapp for upgrading tokens. And finally need an api to return json files at first, and later also layer png images. We have someone who can do a little FE but may need some support there as well, not sure yet. Viewer don't need but would be nice. Dapp need by end of week Sunday. API due before Dec 15th. API with layering of images due after Dec 15th. I have the code for this website which I started to modify to work with a different project but I would like to hand it over to be finished up. 1. To work with this site we need a script to modify a file of Chad D...

    $1706 (Avg Bid)
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    35 bids
    new web site 1 day left
    VERIFIED

    I am going to build crypto web site.

    $475 (Avg Bid)
    $475 Avg Bid
    60 bids

    We need to achieve 100% branch coverage with the coverage test of the solidity-coverage tool. I will provide more info to selected candidate.

    $16 / hr (Avg Bid)
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    17 bids

    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.

    $3614 (Avg Bid)
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    31 bids

    I have quite a few projects in the works and my Dev just passed away. I currently have a DEX. The Farming Token Smart contract is nearly complete. Need help with making a White List sale of the token. Also will be forking aave v3 have graphics already. You will need to modify smart contact + ux/ui as outlined in the documentation. I will need some customized functions please don't apply if you can only copy and paste smart contracts I need someone who can take an idea and work out how to build the solution in Web3. For Payment I have been burned in the past I pay as work is completed never in advanced.

    $52 / hr (Avg Bid)
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    53 bids
    NFT marketplace . Ended
    VERIFIED

    Development/ design NFT marketplace/auction for pictures 1: users sign-in/sign-up 2: upload his own pictures. 3 other users vote on pictures 4: can buy or sell or auction that pictures Note : my budget not up 30$

    $27 (Avg Bid)
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    2 bids

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