Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.

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    82 pekerjaan ditemukan, seharga USD

    I need a cryptanalyst who will tell me how to make my game better, what are the minuses and pluses in it. It also happens that the game does not start, this also needs to be fixed.

    $83 / hr (Avg Bid)
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    NFT Marketplace 6 Hari left

    We are looking for devs who can help us with our NFT marketplace project that is built on both the Ethereum network and Solana. This will be something similar to OpenSea / MagicEden. We have all the smart contracts ready (both for Eth and Sol) but need to now: implementation of the Figma UI mockup (Figma page is done so need to do API calls and the business logic mapping etc). Build the following features that are currently not there on the backend: NFT indexing for both Eth and Sol Wallet Analytic modules -wallet analytics based on user transaction NFT analytic modules- create analytics for NFTs owned by a user NFT loan module - connect existing smart contract with UI, business logic, etc Order Book feature: the ability for a user to place an order for an entire collection, a part...

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    trading exchange app white label 6 Hari left
    TERVERIFIKASI

    Deadline: 3 weeks Hello we are looking for a trading white label platform to be used immediately please bid only if you already have completed similar project Crypto backend python front end something smooth for mobile and desktop I need something similar to binance i am looking for open source project to implement immediately white label solution

    $5000 - $10000
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    $5000 - $10000
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    create a minting bot that can be used on

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    Only US Native please. NO INDI, BANGI, PAKI PLEASE I generally need advice and guidance with accounting, book keeping and taxes. I need someone that can help me with initial clean up or my QuickBooks online (specifically in the area of invoicing, salaries, dividends, segregation of accounts, liability accounts and taxes) and give me basic coaching on how to manage the account onwards. Obviously, as a small business, budget is a main factor for me and I would like to know how you would be able to price this out reasonably for me.

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    Pancaleswap lottery fork 6 Hari left
    TERVERIFIKASI

    I am looking for an expert who is very familiar with the PancakeSwap Dex, especially the lottery. As you know, Pancakeswap uses cakes to buy lottery tickets. I want to change to BUSD. If you do well on this project, I'll hire you on a big, upcoming project.

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    i want to create unique cryptocurrency and list it on exchange platforms , i need experts in this field

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    I am the owner of a crypto game, I need a person who will talk about the shortcomings of the game and its advantages, help me analyze my project. Looking for someone with good investment experience NFT/Crypto.

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    This is for a min-project that is part of a project funded by my university. I am looking for someone who can help in building an MVP as part of this project. The candidate can start immediately. The project duration is 5 months, you can work as part time or full time depending on your availability. The project revolves around creating a governance policy for a crypto wallet. The wallet creator should be able to specify the list of eligible signers (approvers) based on their DIDs. That will be the first task. Please let me know your thoughts and if you have any questions. We can have a quick chat to see if we can be a good fit. Many thanks. PS. This is for UK-based developers only (Restriction from the funder)

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    I need someone to create a Website Layout in Figma on regular basis. Please only bid if you have designed a website UI/UX design before. current one is single landing page Thanks

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    Hi all, We are looking for an experienced team of Blockchain developers. the project consist: - Creation of our own coin - Fiat and Crypto wallet - Purchasing of other coins using our stable coin - Transfer coins from one account to another account - Bill payments - Provide loans We can discuss the scope of work in more detail during the interview process. Thanks & Regards, Deepak

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    Hello! My name is Curtis Felix. I 'm going to build swap site. I want to be a blockchain and web expert.

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    NOTE:REMIX JS IS NOT REMIX IDE (SMART CONTRACT). Remix JS Framework are the skills I need (). Please ONLY bid if you have Remix JS experience. I have code that is written in NextJS and uses the Stitches CSS framework. This website is not live and the code is partially incomplete but has all the frontend and logic. "A lot of the work has already been started on, so you won't need to start from scratch." This phase of the project will be to rewirite the frontend code using RemixJS framework and remove any component that is not required. Backend integration will be with Cloudflare Pages/Workers, GraphQL. The Ethereum blockchain references would be rewritten to use the Hedera Hashgraph DLT. You must be proficient in Next JS and have strong experience with RemixJS fram...

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    hello, i would like to create a decentralized exchange like but on solana. in order to have a decentralized exchange without blockchain fees I'm really looking to make a trading platform as fun as possible. with the ability to take and modify these orders directly on the chart I like Binance, , derebit, but I think they are too complicated for a public not informed enough.

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    We have a web service made in Golang that needs to connect via Websocket to a smartcontract made in the BSC blockchain, the smart contract is programmed in solidity. Currently we are unable to connect and receive the events emitted by the smart contract. We need advice on the connection method.

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    BLOCKCHAIN BITCOIN FLASHING SOFTWARE 4 Hari left
    TERVERIFIKASI

    BLOCKCHAIN BITCOIN FLASHING SOFTWARE I am looking for a developer who can develop the BITCOIN, ETHEREUM Flashing Software in main network (windows based, preferably windows 10), the requirements are mentioned below, 1) The software can perform flash of the BTC and Ethereum, as well as the flashed BTC and Ethereum should be transferable from one wallet to 10 wallets and with confirmation is appreciated. since it is flash btc it must be visible in BTC wallet address for 90 days. There will be no transaction fee while sending from "flash s/w" to "btc wallet" as it will be no confirmations. eg:- If we send from bitcoin flashing s/w to 1 wallet, it must support sending btc to 10 wallets also no problem must arise. It will be displayed till 90 days note:- Screen will have...

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    If you have crypto betting gams, casinos or anything that makes money with crypto, dm me tell me what you have Ill buy it and then reskin it myself or you can for a good price. I will only reply to pepople that lists what type of games they have.

    $250 - $750
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    Hello. I have a project that transfer all the NFT in a wallet to another wallet through a seaport transaction. The project is already made. You can connect wallet, fetch the NFT in the wallet and open the seaport transaction. But the transaction is always reverted. I need to fix that

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    Looking for an AI expert 4 Hari left
    TERVERIFIKASI

    We are looking for an AI ( Artificial Intelligence) expert who has done projects related to blockchain technology and web 3.0. We need to add that service to our website in order to provide to the potential client Shortlisted will be interviewed online

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    If you have crypto betting gams, casinos or anything that makes money with crypto, dm me tell me what you have Ill buy it and then reskin it myself or you can for a good price. I will only reply to pepople that lists what type of games they have.

    $250 - $750
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    $250 - $750
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    Need support in designing Charts using Graphql charting libraries

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    blockchain bridge and explorer fork 4 Hari left
    TERVERIFIKASI

    Please must write the experience you have forked bridge and explorer with website links. I'll never chat anybody who can't share your prove of this experience. I'm looking for blockchain dev who can bridge and explorer quickly as well. Please share the experience of bridge and explorer fork. Don't apply if you don't have experience.

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    I'm looking for blockchain dev who can bridge and explorer quickly as well. Please share the experience of bridge and explorer fork. Don't apply if you don't have experience.

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    I am seeking an experienced blockchain dev with profound knowledge and competent in blockchain, especially in Ethereum/Solidity, Smart contract security expertise. Please propose to this job once you have well experience and considerable past works. Good luck

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    Looking for a freelancer to create custom tools in an ongoing manner from standard tools to web3 based ones. Tools will vary from a bulk url media downloader (list of image URLs input, autosave media in those URLs to a specified location), some web3 tools like downloading the tokenID's owned of a specific contract for a specific wallet address, and so on. Efficiency tools lets call them. Would like to access these tools in a central dashboard, doesn't have to be fancy, however, I can also design them in figma if needed.

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    blockchain bridge and explorer needed 4 Hari left
    TERVERIFIKASI

    I'm looking for blockchain dev who can bridge and explorer quickly as well. Please share the experience of bridge and explorer fork. Don't apply if you don't have experience.

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    Create a Crypto Wallet 3 Hari left
    TERVERIFIKASI

    ONLY Apply if you have the full source code. No New Development. Only working with people who has full source code. I am a developer, so please dont waste your time discussing and convincing me. I wont be convinced. Create wallet Secret key suport like metamask with 12 words Import wallet Import token Qr code scanner Transaction history Sending and receiving Conservation of coins Access with two-factor or biometric authentication QR code scanner coins Swap functions . Notification View your wallet balance Advanced chart Adding coins Detailed market analysis Real-time market analysis with marketing balance Social media news and advertising Fully customized technical indicators Private wallet and more advanced features Custom token on top of BTC Swap fees go to a wa...

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    crypto developer 3 Hari left

    for developing mining tool to earn crypto

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    Nomad freelance 3 Hari left

    We are building tech and network for facilitating a job trade without the need for third parties - by imposing trust in recruitment, removing organizational overhead, and enabling free internal trade - in a decentralized manner.

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    Build me a crypto exchange 3 Hari left
    TERVERIFIKASI

    Hello there! We are looking for a developer who can create an exchange for us like 'wazirx'. Please mention I read it in the beginning of your proposal, as we will not consider proposal without this. The exchange should have, registration, KYC, deposit, withdrawal and trading available in it. Also please share your related work if any. Also, find the below link for more details:

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    Install/optimize React Site/Game 3 Hari left
    TERVERIFIKASI

    Looking for someone to install and help me get my website running on the server, simple task, must be ready to work now. Some Blockchain experience is required

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    blockchain explorer required 3 Hari left
    TERVERIFIKASI

    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork. Looking for india developers

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    block explorer development -- 3 3 Hari left
    TERVERIFIKASI

    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork. Looking for india developers

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    Graph my metaverse 3 Hari left
    TERVERIFIKASI

    Someone that can graph my video game like map or Must be able to apply it to my actual metaverse game as well and lastly put it online.

    $250 - $750
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    Looking for someone to create the code/backend to a profit/loss tracker for Solana. The platform would allow user to log in with their Phantom wallet and see their profit/loss on all trades made on that account. I have the UI kits ready but need all the coding, please have experience

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    Hey i am looking a algorand blockchain developer who can developer web application for me

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    Read All Metaverse Building 3 Hari left
    TERVERIFIKASI

    If you dont know how to make coords on a map so when you run around yu know where you are and then we can sell each parcel. do not apply to this job! If you offer anything other than this and online worlds. Do not contact me! I need someone that can create a Metaverse online where we can see coords in top right, walk around, and see each parcel as we walk. I have most of it already done. Need the map laid out in coords and online where people can join.

    $250 - $750
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    Deadline is 30 days We would like to get a P2P & order book-based exchange built. The exchange will support 7 tokens in the beginning. The fiat and digital assets will be held by a third party, and thus we would not need to have our own wallet system. We want it to be done as quickly as possible so whitelabel script seems like the way to go. We want a platform like We can buy a design template to make the process go faster More details:

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    block explorer development -- 2 2 Hari left
    TERVERIFIKASI

    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork. Looking for india developers

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    block explorer development 2 Hari left
    TERVERIFIKASI

    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork. Looking for india developers

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    blockchain explorer quick fork 2 Hari left
    TERVERIFIKASI

    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork. Looking for india developers

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    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork.

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    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork.

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    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork.

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    blockchain explorer customization 2 Hari left
    TERVERIFIKASI

    We forked fantom blockchain and blockchain explorer ready but we need some customization , smart contract verification and interaction like etherscan. Please apply only if you are expert in it. freelancer should have experience in etherscan fork.

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    We need a block chain project to be developed for creating smart contracts for land title deeds for farmers. The scope of this project is to implement and deploy the blockchain piece with API interfaces available, so that it can be integrated with web and mobile app that we are building.

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    Hello, everyone. Thanks for your attention. I built powerful prediction bot with 67.28% of accuracy. Good money to be made if we work together. Hope chat soon.

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    1. Building the NFT access pass generator like .xyz/ for: i) Event Tickets: Make event entry fast and seamless. Create passes for events that the admin wish to host for specific NFT holders. ii) Membership Access: Grant members exclusive access to IRL venues such as art galleries, hotels, sports clubs, gyms, and more. iii) Coupons: Give the users an infinitely-updateable, personalized mobile wallet coupon. iv) Loyalty Cards Easily reward the users with exclusive perks that can be redeemed at retail shops and restaurants. For user side, the system needs: 1.1. the user connect Wallet via metamask, wallet connect or coinbasewallet 1.2. After the wallet connection, the user select the NFT as the access pass 1.3. The use can choose to generate the NFT access pass vai apple wallet or google ...

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    Crypto Exchange Developement 4 Hari left
    TERVERIFIKASI

    I already have a template on Html file that I need to convert over React JS. Also I have the token smart contract and the Exchange smart contract that needs some additions to it. I am looking for someone to help integrate the backend of the application. Here is our exchange template:

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