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    47 jobs found, pricing in AUD

    We are looking for blockchain expert to create platform for academic certificate verification. The service has a unique signature and time-stamped certificate that can eliminate forgery unlike traditional paper-based documents. Every certificate will be tagged with a QR code linked to the blockchain – a secure, immutable and incorruptible database. Issuing institutions keep a register of certificates on the blockchain represented by the QR code. Authentication of certificates is done by simply scanning the QR code. Thus, the verification process is made simple and transparent. • Issuing institutions can store a register of certificates on the blockchain represented by a unique QR code • The authenticated QR code must be stamped distinctly to the certificate. • Authe...

    $12639 (Avg Bid)
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    6 bids

    I need someone who can help me make this code work. Visual Source Code + Solidity 0.8.13 + Truffle 4.6 + Openzeppelin 4.x + Contracts-Upgradeable. Details: ^^ for details.

    $950 (Avg Bid)
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    3 bids
    Install OpenDax 6 days left
    VERIFIED

    Install OpenDax with about 15 currencies (native, bep20, erc20). Integrate liquidity module.

    $3716 (Avg Bid)
    Featured
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    12 bids

    Hi, I am looking for a Blockchain / solidity developer to Create a Bot to execute Flash loan operations. Looking for a long-term working relationship. Regards

    $27 / hr (Avg Bid)
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    44 bids

    Need to develop smart contract Will discuss more details in private chat.

    $308 (Avg Bid)
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    39 bids

    Please Sign Up or Login to see details.

    Featured Sealed NDA

    I need a NFT expert and a NFT developer

    $3557 (Avg Bid)
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    31 bids

    hello sir, how much for creating degen simple website with staking app . bnb smartchain

    $251 (Avg Bid)
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    19 bids

    hello sir, how much for creating degen simple website with staking app . bnb smartchain

    $220 (Avg Bid)
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    17 bids

    Hello, This is about creating a launchpad solution. Key features are attached. Regards.

    $2495 (Avg Bid)
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    23 bids

    I need a person who has experience in solidity and javascript to build my project. You should have expertise in both front end, back end, and token contract development. Portfolio needed. Only for long-term collaboration, please. (must be familiar with DeFi projects before)

    $5993 (Avg Bid)
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    35 bids

    Hello guy's I want MLM type plans Smart contract on Binance Smart Chain. features, joining, registration, tree, Plans, single leg, Commission and rewards directly goes into Dapp wallet. BEP20. Sample link similar: Find attached Plans of joining. Best Regard's PB

    $1737 (Avg Bid)
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    20 bids

    Hi Freelancers We are building a DEX platform similar to Pancakeswap or Uniswap and looking for a long term relationship. We are gonna fork Pancakeswap and you will prove your skills during a small test. The test is just to fork this project and run it locally by removing vercel dependency. Please apply for this job after checking the project carefully Place just "Pancakeswap api fork".

    $45 / hr (Avg Bid)
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    24 bids

    Looking for experienced programmer to write token on the binance smart chain. Must have extensive experience with developing tokens on the BSC.

    $406 (Avg Bid)
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    38 bids

    DM me to discuss more in detail.

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    Stacking with No lock 1 month lock 3 months lock 6 months lock 12 months lock Irreversible lock. Staking and Rewards: This contract will have some token (sent manually by protocol owner) as reward pool. Those reward pool token will be distributed to users who Stakes or locks their token a. Stacking with no lock: Reward factor is [1x] b. 1 month [2x] >> User will get a receipts that can be converted back after the lock period have passed. c. 3 months [3x] >> User will get a receipts d. 6 months, [4x] >> User will get a receipts e. 12 Month, [5x] >>User will get a receipts f. Irreversible Lock (10x) >> Action a NFT and send this NFT bak to user's wallet. In exchange to this NFT generating process, 30% of user token w...

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    What I need is super simple honestly just a dapp we’re we will only allow kyc projects to list on we’re when listed they will be tracked as top gainers losers and trending now and when u click on the token u will get some info on the dev team such as past projects there mc and what they did well or not we’ll this making a safe zone for investors

    $782 (Avg Bid)
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    Simple smartcontract code 5 days left
    VERIFIED

    Hello. I need simple smartcontract code need using solidity. My budget is not so big. Please bid only if you can agree this budget.

    $234 (Avg Bid)
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    Hi, i want to build red light green light game in metaverse, only people holding a specific NFT should be allowed to play it. Person with lowest bid will get project, share your references

    $998 (Avg Bid)
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    43 bids

    Hello guy's I want MLM type plans Smart contract on Binance Smart Chain. features, joining, registration, tree, Plans, single leg, Commission and rewards directly goes into Dapp wallet. BEP20. Sample link similar: Find attached Plans of joining. Best Regard's PB

    $531 (Avg Bid)
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    3 bids

    I want to spend 4-5 days in June with a developer based out Delhi NCR to learn how to code a smart contract in ethereum Solidity knowledge and already developed contract experience required

    $550 (Avg Bid)
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    10 bids

    To create a platform for young enterprising graduates and farmers to raise funds for agricultural projects. Investors can look through the various profiles and invest accordingly. It will use the NFT Marketplace as the payment gateway. In time there should be a marketplace for farmers to sell their products on this platform too.

    $3389 (Avg Bid)
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    31 bids

    Looking for Nft Developer. You will need to work on following points to make our development advanced and unique. Currently I have just GIF(animation available) . - Upload art to IPFS - NFT Minting dApp (minting site with verification, wallet integration and contract integration) - Gas Optimized NFT Upgradable Smart Contract Development Deployment ERC721A . - Contract should have whitelisting, presale, and a giveaway - NFT listed on NFT Marketplaces - Opensea, IMX etc.

    $71 - $141
    Sealed
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    24 bids

    i alrady have frontend, but need backend and all function

    $855 (Avg Bid)
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    60 bids

    Hello guys. I am looking for blockchain developers who can work with my

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    Project Requirements 1. Client has an Apartment buildings and wants to give 1 NFT for 1 house in an apartment to a customer. 2. Launch Coin("KuKu NFT HOMES COIN") pegged to Stable coin(USDT) and using this coin customer will buy the NFT(Apartment house). 3. Create a marketplace where people will BUY/SELL NFTs using "KuKu NFT HOMES COIN"

    $4234 - $7057
    Sealed NDA
    $4234 - $7057
    6 bids
    Solana Expert Needed -- 2 3 days left
    VERIFIED

    Good Solana expert needed. Details will be shared in DM.

    $353 - $1059
    Sealed NDA
    $353 - $1059
    12 bids

    I need a solidity developer + React Web3 to develop the front-end component and smart contracts for the next feature release of my NFT project. If you meet those skill requirement, I would like to share with you some documentation to start the work as soon as possible :) The budget for the entire work is 1K$ with 1 Months deadline!

    $318 - $1411
    Sealed
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    50 bids
    NFT mint smart contract 3 days left
    VERIFIED

    Hello, Thanks a lot for applying. As a first round, you are tasked to complete a short technical find below the steps to follow: 1) Create an ERC721 contract, which can allow users to mint 1 NFT at a given time, provided they pay a minimum price of 0.01 in ETH. 2) Create a second ERC721 contract, which can allow users to mint an NFT, provided then transfer the NFT from the first contract above to the second contract (which escrows the token). 3) At a later stage, the user can swap back the second NFT back for the first that price is zero for the swap functionality. 4) Finally, deploy all contracts following best practices of Solidity, keeping upgradability and reusability in mind. Please send a public GitHub link, and a deployed contract link on any Testnet of your choice. Good Luc...

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    I want to create a smart contract with some functions like other contract. If you know how to create contract, dm me, and let discuss for more.

    $795 (Avg Bid)
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    59 bids

    I need help converting my ERC20 token that worths 300usd to ETH, but I can't find liquidity in any DEX, so what can I do? I pay for this job the half, 150usd, and I need to understand the process. I find a way, because a customer of mine wants to change all their ERC20 token to FIAT currency. Thanks.

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    NFT Blockchain COIN project 2 days left
    VERIFIED

    Project Requirements 1. Client has an Apartment buildings and wants to give 1 NFT for 1 house in an apartment to a customer. 2. Launch Coin("KuKu NFT HOMES COIN") pegged to Stable coin(USDT) and using this coin customer will buy the NFT(Apartment house). 3. Create a marketplace where people will BUY/SELL NFTs using "KuKu NFT HOMES COIN"

    $7057 - $14114
    Sealed NDA
    $7057 - $14114
    8 bids

    Hi Freelancers We are building a DEX platform similar to Pancakeswap or Uniswap and looking for a long term relationship. We are gonna fork Pancakeswap and you will prove your skills during a small test. The test is just to fork this project and run it locally by removing vercel dependency. Please apply for this job after checking the project carefully Place just "Pancakeswap api fork".

    $1134 / hr (Avg Bid)
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    34 bids

    Hello. I am looking for senior solidity developer. You have experience with token development. This will be long term job if you are good developer. Best regards.

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    List of tasks: 1. Add Excoincial Blockchain to 2. Do some aesthetic frontend and backend work on such as logo change, colour change, content change. Here is a reference site: and you will do exactly what ZYX Scan has on such as display of graph using API, adding validators, multisender, connecting our bridge to explorer, connecting swap, adding testnet, etc. For the above task I think you have seen ? So should be updated to function like that. - Add logo - Add favicon - Make a few colour changes - Add meta data to the injector so we can manage it easily. - Make EXL price automated - Add price/market chart - Add smart contract verification - Add testnet - Add our social media links. - Optimise speed of the explorer. So basically upgrade to the level of 3. Pro...

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    Create the whole world to generate a new Blockchain-based cryptocurrency. Proof-of-stake model, also create the pool and nodes model. Initial product will be based on binance.

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    I NEED A DEVELOPER WHO HAVE+ YEAR OF EXPERIENCE IN WRITING SMART CONTRACT. REQ. TO WRITE SMART CONTRACT FOR TOKEN BUY AND USDT DEPOSIT. NEED AN INDIVIDUAL DEVELOPER WHO WILL START ASAP AFTER FINAL DICUSSION.

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    We are looking for someone to be able to do this Task here below: Task -> As ethereum is moving to proof of stake consensus mechanism. we would like you to create a deposit smart contract, where people can deposit X amount (configurable) of Ether. Along with that find a optimal way to create json object necessary for making a deposit into smart contract. json object should contain following fields. (it should follow the eth2.0 spec standard) [ { "pubkey": "", "withdrawal_credentials": "", "amount": 32000000000, "signature": "", "deposit_message_root": "", "deposit_data_root": "", "fork_version": "70000069", "network_name": "kiln", "...

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    Greeting for everyone! I have NFT marketplace project for pre-lanch. project has done all and left some issues in Smart Contract. I am looking for someone who can fix this issue. you must have rich experience in Solidity/Smart Contract development. Conditions: 1. you have to work through remote access because project is private. 2. all funds will be release after deploying contracts successfully. I have similar projects more and this will be long term deal. cheers!

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    A full trade application on the blockchain network.

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    Hello everyone, I need: - Token smart contract with fee extraction on BSC + bridges to ERC and Polygon - Staking contract - Token locker - Voting system - Dapp frontend

    $899 (Avg Bid)
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    23 bids
    Cryptocurrency Wallet 10 hours left
    VERIFIED

    We are building a cryptocurrency wallet using Dart Flutter that enables users receive Bitcoin,ETH and BNB.

    $217 (Avg Bid)
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    16 bids
    opensea.io api expert and python 10 hours left
    VERIFIED

    MY QUESTION IS: Do you have experience in setting the price of an item in a collection via the API? I have python code that creates the NFT's and displays them on opensea - I would just like to use the API to set the initial price - see attached screen shot for clarification

    $30 / hr (Avg Bid)
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    looking for developer who has already got good experience in software development on solana. Please contact only if you have existing experience. before starting discussion you need to provide some details on what RELEVANT work you have done - only then you will be CONSIDERED.

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    Start immediately! Need an experienced dev, who can fix, eg see why a Solidity Airdrop Code is not working on the Binance Smart Chain. The best candidate will be awarded 50$, this should be an easy 2 hours job if you know your stuff, people who ask for unrealistic high prices after bidding will be reported to freelancer, so bid accurately

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    Criei um token BEP20 e quero alterar funções para isso quero um programador que faça um código com as funcoes que eu elaborei. ** Tenho preferencia por programadores que falem PORTUGUÊS.

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    Criar Website de ICO 1 day left
    VERIFIED

    O Website será para vender minha Própria Criptomoeda . Rede BscScan. Deve fazer a conversão automática dos pares que eu aceito. Pares aceitos são BTC / BUSD / ETH

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