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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    163 δουλειές που βρέθηκαν, με τιμές EUR
    MasterChef Smart Contract 6 μέρες left

    I am looking developer for MasterChef Smart Contract. I need help in setting up of the same and forking the yield farming and staking pools

    €432 (Avg Bid)
    €432 Μέση Προσφορά
    3 προσφορές

    Add TRX TRC20 to Peatio 2.6 on opendax

    €574 (Avg Bid)
    €574 Μέση Προσφορά
    3 προσφορές

    need a custom token and crypto exchange basic

    €110 (Avg Bid)
    €110 Μέση Προσφορά
    2 προσφορές
    Blockchain Expert Needed. 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Do you know blackbird algorithm?

    €8 - €628
    Σφραγισμένο ΣΜΓ
    €8 - €628
    1 προσφορές
    blockchain tracker -- 2 6 μέρες left

    we want to track some blockchain transfers in real-time which could provide alerts on telegram or discord

    €398 (Avg Bid)
    €398 Μέση Προσφορά
    2 προσφορές

    A decentralized exchange (DEX) is a peer-to-peer (P2P) marketplace that connects cryptocurrency buyers and sellers. In contrast to centralized exchanges (CEXs), decentralized platforms are non-custodial, meaning a user remains in control of their private keys when transacting on a DEX platform. I need to create DEx based on open source pancake swap or Uniswap . Please check [κάνε ...

    €3190 (Avg Bid)
    €3190 Μέση Προσφορά
    24 προσφορές

    I am looking someone help me in Cryptocurrency trading

    €892 (Avg Bid)
    €892 Μέση Προσφορά
    17 προσφορές
    €142 Μέση Προσφορά
    7 προσφορές
    Build a custom crypto payment gateway for woocommerce 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I'm looking for someone who can build a payment gateway for woocoomerce for a custom tezos token. The process would have to look somehow like this: 1. put product in shopping cart, check out 2. select this payment gateway 3. click on conect wallet (using [κάνε είσοδο για να δεις τ&omi...

    €606 (Avg Bid)
    €606 Μέση Προσφορά
    27 προσφορές
    Website Development -- -- 2 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I want the same website as this [κάνε είσοδο για να δεις το URL] with same functionality this what the website built with : [κάνε είσοδο για να δεις το URL] You can...

    €443 (Avg Bid)
    €443 Μέση Προσφορά
    12 προσφορές

    I have an [κάνε είσοδο για να δεις το URL] NFT collection that receives royalties whenever someone buys my nft on the secondary market. I want to pass on that royalty to the wallets that initially minted my NFT from my website. Seems i will need a smart contract to do this.

    €1035 (Avg Bid)
    €1035 Μέση Προσφορά
    19 προσφορές

    I need teacher to help me on my cryptocurrency business, videos I see a lot on youtube, I have course on Udemy, I read a lot, what I need is someone who can answer my questions and show me how to do, I will pay 20$/h we will use google remote desktop for teaching and for time tracking, I already create my own Tokens and need to create others and sell.

    €18 / hr (Avg Bid)
    €18 / hr Μέση Προσφορά
    8 προσφορές

    I want to create a new blockchian, based on the concept and features similar to [κάνε είσοδο για να δεις το URL] and/or [κάνε είσοδο για να δεις το URL] A new coin th...

    €563 (Avg Bid)
    €563 Μέση Προσφορά
    2 προσφορές
    WAX dapp game 6 μέρες left

    Iam looking for a developer with experience working on WAX chain, first web. I like to order a game which has its own token and in the moment two game modes. The main feature is to use NFT ingame on wax chain, which i can whitelist and de-withelisted to be accepted and set there stats theys have ingame. For one game mode, [κάνε είσοδο γ&...

    €1448 (Avg Bid)
    €1448 Μέση Προσφορά
    11 προσφορές
    Real estate blockchain asset 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We need a blockchain plateforme modificated for us including token, ipo console ect…. Whit staking and prof of work system WE NEED a PARTNERSHIP

    €1715 (Avg Bid)
    €1715 Μέση Προσφορά
    24 προσφορές
    Create a crypto coin 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We are looking for someone (team or an individual) who can help us to create a blockchain and crypto coin

    €3642 (Avg Bid)
    €3642 Μέση Προσφορά
    10 προσφορές
    Solidity smart contract exchanger BSC 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I need a smart contract deployed into an address I can control wich makes exchanges of token by copy trading transactions by scanning the pancake router and copying transactions based on parametres I decide and making new similar transactions with balance from the address.

    €774 (Avg Bid)
    €774 Μέση Προσφορά
    26 προσφορές

    Researcher should have background of IoT and Information Technology. Contact me for further details. You can suggest me your topic or i would be glad to talk with you, if you have any ideas for implementations. __________________________ Deadline: None Type: Journal or Conference Paper References: 20-25 Plagiarism: Almost 0%

    €99 (Avg Bid)
    €99 Μέση Προσφορά
    36 προσφορές

    We want a company or professionals that can build 1. A Blockchain and develop coins for our private Crypto community The person(s) should know how write smart contracts with Poff of stake (PoS) Terminologies. We will further want to encrypt those coins to be compatible in offline P2P Transactions 2. Develop tokens that can be hosted on 2 existing Blockchains, that is Binance Smart Chain and Et...

    €28 / hr (Avg Bid)
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    13 προσφορές

    - Wallet Should support iOS and Android platform for multiple screen resolution - It should support offline payment using bluetooth/NFC mechanism - Should have parent/child model to be accessed to same wallet account Preferably using Ethereum blockchain. Or suggest any other.

    €31287 (Avg Bid)
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    18 προσφορές

    Hello my friend! I was curious to know if you could help my partners and I with the integration of a specific coin (NOT A TOKEN) on its own blockchain- into a wallet app we have developed for android and IOS, we would also like to know if you could add some aesthetic features to the wallet app that would compliment the application and make it more user friendly! Please let me know if you are avail...

    €128 (Avg Bid)
    €128 Μέση Προσφορά
    3 προσφορές

    I want social application where we can create accounts and then groups. We can add some budget in our digital wallet of the application and then we can : as example : donate to others who need help or financial assistance. In addition I want to incorporate bonuses with DIFI options to enhance budgets. Building the chain: Items to include as the following headings/contents: Project Specificatio...

    €11525 (Avg Bid)
    €11525 Μέση Προσφορά
    6 προσφορές
    Need Goosedefi's Timelock Usage Tutorial 6 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I can fork goosedefi, an AMM Binance Smart Chain Dapp, i can fork Token and MasterChef Smart Contract, but i dont know how to use Timelock contract: queue, excute, etc... If someone can help, and teach me. i can offer 50$ Thanks for reading

    €25 - €209
    €25 - €209
    0 προσφορές

    new BSC token and need to quickly i can pay 150 euros for that

    €136 (Avg Bid)
    €136 Μέση Προσφορά
    18 προσφορές

    Need cryptocurrency developer help me for a project, Hello i want to develop an platform with my idea if you are a crypto dev then bid here

    €770 (Avg Bid)
    €770 Μέση Προσφορά
    21 προσφορές

    build me an ecommerce and freelance website. transactions stored on the blockchain. executed with smart contract. development should be seen on github

    €432 (Avg Bid)
    €432 Μέση Προσφορά
    19 προσφορές

    Expert Go developer for an open-source blockchain project, experienced with Apache Kafka.

    €20 / hr (Avg Bid)
    €20 / hr Μέση Προσφορά
    15 προσφορές
    Token project 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    token in the ETH network instead of a redistribution we would like to go in the direction of an automatic high burn rate with every purchase. 20% of every buy will get distributed as such, 4% to the marketing/development teams wallet, 16% to a burn wallet with a max supply of 1,000,000,000,000,000 tokens

    €399 (Avg Bid)
    €399 Μέση Προσφορά
    23 προσφορές
    NFT Marketplace Backend 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    I'm looking for someone to create a User Management back-end only for NFT market place. You will need to configure: - Storage - Blockchain - Token (Smart Contract). The front-end is being developed so eventually both will be connected with ABIs Below are the functions needed to be included in the back-end User Management • User Pause/Ban/Delete • Unique user handle for each use...

    €584 (Avg Bid)
    €584 Μέση Προσφορά
    24 προσφορές

    Bitcoin Smart Contract MLM Setup 2 Level Instant Payout Level 1 - 50% Level 2 - 10% (Seed Account) is where all BTC will go into once customers pays via BTC (Affiliate BTC Wallet) is where their commissions will be paid (Super Admin BTC wallet) is where remaining funds will be sent instantly 1. A smart contract that will work with trust wallet 2. It will be like a staking pool where participant...

    €723 (Avg Bid)
    €723 Μέση Προσφορά
    7 προσφορές
    Talents needed for Crypto Telegram Marketing 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    With more and more admins join us, we are on the way to build a VERY STRONG community. We are looking for more talents who have the following capabilities: 1. Admins should have their own active community and be able to effectively direct members to the official coinchum group 2. Have rich experience in building and managing telegram community [κάνε είσο&de...

    €51 (Avg Bid)
    €51 Μέση Προσφορά
    8 προσφορές
    Web 3 Smart Contract Project 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Need Web 3 Project Generative Art Programmer. Think Crypto Punks

    €1899 (Avg Bid)
    €1899 Μέση Προσφορά
    38 προσφορές

    This job is fully remote. Salary range: 1500 usd - 2000 usd based on performance Work hours: Very flexible, ideally from 6 am to 2 pm CT Qualification: React/Typescript(3 years), [κάνε είσοδο για να δεις το URL], Blockchain concepts I am looking for an experienced React/Typescript ...

    €1792 (Avg Bid)
    €1792 Μέση Προσφορά
    41 προσφορές

    Build an Open authorization token gateway (Web3) to connect MetaMask wallets that own 577 unique ERC721 NFTs (Already Minted on Opensea, none sold – Can re-mint elsewhere if needed). Token holders will be able to gain access to an upload feature that connects to a database allowing users to upload images, text and URLs that display on specific locations (mapped by coordinates) on the front-e...

    €1067 (Avg Bid)
    €1067 Μέση Προσφορά
    11 προσφορές
    Website For NFT Sale 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Hello, We are looking for a blockchain developer that can help us build a platform to do an initial launch of our 8000 unique NFT's. We will need you to complete both back end and front end work. Here are some of the objectives: -Create ERC721 Smart Contract Test and Deploy To Ethereum Network -Help us to create Meta Link - We have 8000 files with unique attributes. These have not been compu...

    €1243 (Avg Bid)
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    31 προσφορές
    Crypto Mining Rig 5 μέρες left

    Hi there I am looking for a computer hardware technician/ Crypto mining rig expert to build custom Crytpo rigs for me. Preferably someone who has experience in crypto mining. 7-10 day deadline. Preference will be given to London based freelancers. I look forward to hearing from you. Kind Regards Adam

    €643 (Avg Bid)
    €643 Μέση Προσφορά
    4 προσφορές

    I need a person who can verify cashapp and Coinbase for me. Only US.

    €8 - €25
    €8 - €25
    0 προσφορές

    Need developer for custom swap for bsc smart contract token

    €273 (Avg Bid)
    €273 Μέση Προσφορά
    11 προσφορές

    I'm looking to develop a private and smart blockchain where I can upload my social media website, possibly on IPFS. Must be a competent and professional coder who can explain how to set up a network infrastructure of private nodes.

    €22 / hr (Avg Bid)
    €22 / hr Μέση Προσφορά
    25 προσφορές
    Smart Contract Developer - ERC20 Ethereum 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    We need a smart contract developer, who will write a relatively simple contract using Solidity.

    €36 / hr (Avg Bid)
    €36 / hr Μέση Προσφορά
    49 προσφορές

    My background is in real estate and looking to see if a developer can walk me through the necessary steps of creating a block on the blockchain relating to personal information and real estate deeds.

    €12 / hr (Avg Bid)
    €12 / hr Μέση Προσφορά
    10 προσφορές

    Creating a prototype for end to end property and lending solution

    €105 (Avg Bid)
    €105 Μέση Προσφορά
    8 προσφορές
    Forc Safemoon e web Apis Nodejs 5 μέρες left
    ΕΠΙΒΕΒΑΙΩΜΕΝΟ

    Forc SafeMoon token from 27,000,000,000,000 to 12 decimal places. Name: Intekai Token Symbol: INTK Token sale block function for x time linked to the address with recognition of bonus tokens upon expiration. Function to burn tokens on initial wallets. Provide for the management of presale. Recognition of% by affiliation in the function, pass the address of the customer to that of the person who pr...

    €591 (Avg Bid)
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    17 προσφορές
    Smart contract 5 μέρες left

    Smart contract + Rollups + solidity experience required

    €169 (Avg Bid)
    €169 Μέση Προσφορά
    21 προσφορές

    I need someone to modify the golang implementation of ethereum to propagate transactions from my origin only if it succeeds else it should discard. Eg: If I send 2eth to someone but my account only has 1eth the code should identify this and stop this transaction from ever reaching blockchain, this is to avoid the gas fees which I had to pay for failed transactions. Please only apply if you have ex...

    €299 (Avg Bid)
    €299 Μέση Προσφορά
    2 προσφορές
    ICO TOKEN DEVELOPER 5 μέρες left

    Block hain developer,. Blockchain engineer

    €7702 (Avg Bid)
    €7702 Μέση Προσφορά
    3 προσφορές
    Token development 5 μέρες left

    We need a Blockchain Developer for our future Mission.

    €224 (Avg Bid)
    €224 Μέση Προσφορά
    6 προσφορές

    We need an IPBOARD Escrow panel . One standalone Escrow panel which connects to ipboard ( for user acc managment ) Escrow Trades for Seller and Buyer. Automaticly Escrow functions and earning from the Fees . Write down below if you have experience with Ipboard and Bitcoin & Monero devlopement

    €450 (Avg Bid)
    €450 Μέση Προσφορά
    7 προσφορές

    I need a person or a team to make a smart contract and it should be like USDt but inside to add for example - to check how much TRX is available to know if the oleration can be done.

    €610 (Avg Bid)
    €610 Μέση Προσφορά
    23 προσφορές

    Κορυφαία Blockchain Άρθρα Κοινότητας