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Bitcoin is a crypto currency, with the creation and the transfer of the bitcoins being based on a protocol that does not depend on the central authority. The coins can be transferred through computers or through smartphones and related devices, without the necessity of having a financial institution as an intermediate. This concept was established by Satoshi Nakamoto in 2008 and it was geared towards the world of electronic cash systems. If you understand more about this topic on a professional level, then you have a better chance to enjoy the advantages of being a freelancer at Freelancer.com.

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    69 仕事が見つかりました。次の価格: USD

    Looking for a Blockchain Developer to support the current development of E-Commerce Platform. The Blockchain Developer will work with the existing E-Commerce Team to introduce blockchain concepts (setup, smart contracts, API integration, tokenization etc.) to support secure and seamless transaction Qualifications: - Experience writing smart contracts - Simplifying complex ideas to create MVP (...

    $526 (Avg Bid)
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    16 入札

    I'd like to discuss more via chat

    $1317 (Avg Bid)
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    13 入札

    I need a core application to run on ios android and web. Also token staking is required. i.e. api to add/remove coin/token from wallet. And registration like this [ログインしてURLを表示] content like this [ログインしてURLを表示] and design like this [ログインしてURLを表示]

    $2783 (Avg Bid)
    $2783 平均入札額
    7 入札

    Looking for a Custodial Wallet with exchange like CoinBase. Frontend is already done on React. Need someone to do the backend.

    $3765 (Avg Bid)
    $3765 平均入札額
    12 入札

    Greeting Freelancers I need a custom nft supportable wallet where people able to mint their NFT with thit wallet to all NFTz website with low smart contract. I have some future list which I want in this app I have designed too

    $2772 (Avg Bid)
    $2772 平均入札額
    28 入札

    Greeting Freelancers I need a custom nft supportable wallet where people able to mint their NFT with thit wallet to all NFTz website with low smart contract. I have some future list which I want in this app I have designed too

    $2911 (Avg Bid)
    $2911 平均入札額
    22 入札

    We'll be launching a financial app for Day Traders, Swing Traders, Investors. And for Affiliates. >> GET SIGNALS ON YOUR PHONE BEFORE IT BECOMES MAINSTREAM! << Looking for 30 Beta Testers! - Stocks, Cryptocurrencies, NFTs, Forex - Discover trending stocks before anyone else (like GME... --- Evergrande ...) Sending signals when system notices sudden interest from tweets, reddits, ...

    $27 (Avg Bid)

    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 [ログインしてURLを表示] XRP/USD [ログインしてURLを表示] [ログインしてURLを表示] curl "[ログインしてURLを表示]" [ログインしてURLを表示] [ログインしてURLを表示] [ログインし...

    $31 / hr (Avg Bid)
    $31 / hr 平均入札額
    9 入札

    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 [ログインしてURLを表示] XRP/USD [ログインしてURLを表示] [ログインしてURLを表示] curl "[ログインしてURLを表示]" [ログインしてURLを表示] [ログインしてURLを表示] [ログインし...

    $375 (Avg Bid)
    $375 平均入札額
    2 入札

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

    $271 (Avg Bid)
    $271 平均入札額
    16 入札
    cryptocurrency 6 日 left

    help me in shoosing the best coin and the best platform

    $556 (Avg Bid)
    $556 平均入札額
    10 入札

    I need help launching my NFT Collection. I'm trying to decide to either put them on Solana or Ethereum. Also, I may need help tagging the NFTs in the collection once they're up. I also need help scoping out the cost of this effort.

    $15 / hr (Avg Bid)
    $15 / hr 平均入札額
    17 入札

    Need ICO Whitepaper. Instructions are attached. Supportive documents will be given in the interview.

    $73 (Avg Bid)
    $73 平均入札額
    8 入札
    Copywriter for ICO Whitepaper 5 日 left
    認証完了

    Need ICO Whitepaper. Instructions are attached. Supportive documents will be given in the interview.

    $93 (Avg Bid)
    $93 平均入札額
    19 入札

    i want olymptrade profitable bot zero% risk

    $490 (Avg Bid)
    $490 平均入札額
    10 入札
    listing our cryptocurrency project 5 日 left
    認証完了

    we are looking for getting our token based on binance smart chain (bep20) listed on exchanges

    $162 (Avg Bid)
    $162 平均入札額
    12 入札
    Create cryptocurrency exchange 5 日 left
    認証完了

    Hello, I need Someone who can create Cryptocurrency exchange website similar to Wazrix or Binance, If someone already built then it's good

    $1393 (Avg Bid)
    $1393 平均入札額
    20 入札

    COMPANY OR TEAM DO NOT APPLY..ONLY INDIVIDUALS ARE WELCOME..WE WANT INDIVIDUAL GUYS IN FULL TIME BASIS FOR A LONG PERIOD. Requirement of a FULL TIME Blockchain developer who have a knowledge in NFT [ログインしてURLを表示] talking with you and discuss your [ログインしてURLを表示] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company details will be [ログインしてURLを表示] h...

    $1360 (Avg Bid)
    $1360 平均入札額
    5 入札
    React WalletConnet Blockchain 5 日 left
    認証完了

    hello, I have a site project that is already done just have problem using walletconnect as react to our project we did it one time but it had so many bugs so we need someone who can do it already web3 metamask is worked on desktop just we need mobile version and desktop (WalletConnect)

    $558 (Avg Bid)
    $558 平均入札額
    35 入札
    Need ICO Whitepaper -- 2 5 日 left
    認証完了

    Need ICO Whitepaper. Instructions are attached. Supportive documents will be given in the interview.

    $139 (Avg Bid)
    $139 平均入札額
    7 入札

    I need a blockchain developer who can code custom "Connect Wallet" button with specific function.

    $227 (Avg Bid)
    $227 平均入札額
    10 入札

    want trading expert bitcoin and ethereum

    $1271 (Avg Bid)
    $1271 平均入札額
    15 入札
    want bitcoin expert trader 5 日 left
    認証完了

    want bitcoin expert trader or crypto expert trader

    $568 (Avg Bid)
    $568 平均入札額
    11 入札
    Python trading bot -- 2 5 日 left
    認証完了

    I need to design a training bot working with okex that open orders based on assets balances in portfolio, not indicators With a week of support after creating it

    $190 (Avg Bid)
    $190 平均入札額
    10 入札
    BSC smart contract 5 日 left
    認証完了

    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 [ログインしてURLを表示], 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 f...

    $246 (Avg Bid)
    $246 平均入札額
    4 入札

    Hi... Need a pretty straight forward task.. First of all will need help with integration of API from any crypto wallet/ exchange which must support account creation and buy transaction using api.. One such example i have found is [ログインしてURLを表示] And i feel this should do the job... So need someone who can setup this api and we can test it out and if there's any other/ better option then its ...

    $20 (Avg Bid)
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    3 入札

    I need professional Defi and solidity programmer create custom wallet for my users. I have pre design template for this wallet you need to add some common feature which available in all all other apps

    $2842 (Avg Bid)
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    23 入札

    Good day freelancers I need one simple nft website where people mint their own nft and buy or sell NFT The site support each and every decententrazed Wallet.

    $2462 (Avg Bid)
    $2462 平均入札額
    20 入札

    Good day freelancers Need Decentralised Wallet for NFT where uses use for transaction and sending/receiving features The wallet support each and every decententrazed Wallet.

    $3018 (Avg Bid)
    $3018 平均入札額
    15 入札

    A Crypto currency trading website with MLM structure for members, the dashboard will have 4 algorithms that can generate daily profit for members. And members can be able to withdraw automatically into their wallet without third party.

    $1440 (Avg Bid)
    $1440 平均入札額
    20 入札

    COMPANY OR TEAM DO NOT APPLY..ONLY INDIVIDUALS ARE WELCOME..WE WANT INDIVIDUAL GUYS IN FULL TIME BASIS FOR A LONG PERIOD. Requirement of a FULL TIME Blockchain developer who have a knowledge in NFT [ログインしてURLを表示] talking with you and discuss your [ログインしてURLを表示] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company details will be discussed. COMP...

    $1400 (Avg Bid)
    $1400 平均入札額
    6 入札
    Building a crypto mining operation 4 日 left
    認証完了

    I am looking to set up a crypto mining operation at my other place of business to start accumulating crypto from mining. Machines online are overly priced so making machines that aren’t going to cost 20,000 and setting up an operation that’s beneficial. I live in Logan, QLD, Australia

    $823 (Avg Bid)
    $823 平均入札額
    3 入札

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

    $280 (Avg Bid)
    $280 平均入札額
    12 入札

    I need some freelancer can help me develop DEFI, Best if you can have new ideas. thanks.

    $1256 (Avg Bid)
    $1256 平均入札額
    24 入札

    COMPANY OR TEAM DO NOT APPLY..ONLY INDIVIDUALS ARE WELCOME..WE WANT INDIVIDUAL GUYS IN FULL TIME BASIS FOR A LONG PERIOD. Requirement of a FULL TIME Blockchain developer who have a knowledge in NFT [ログインしてURLを表示] talking with you and discuss your [ログインしてURLを表示] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company details will be discussed. COMP...

    $1908 (Avg Bid)
    $1908 平均入札額
    6 入札

    Good day freelancers Need Decentralised Wallet for NFT where uses use for transaction and sending/receiving features The wallet support each and every decententrazed Wallet.

    $2117 (Avg Bid)
    $2117 平均入札額
    23 入札

    Good day freelancers I need one simple nft website where people mint their own nft and buy or sell NFT The site support each and every decententrazed Wallet.

    $2280 (Avg Bid)
    $2280 平均入札額
    38 入札

    I need NFT website and decentralized app where people can access all NFTz website I want to to develop from scratch. Also need best guidance and support

    $3065 (Avg Bid)
    $3065 平均入札額
    47 入札
    Build me a crypto exchange app 3 日 left
    認証完了

    I need someone who can build me a crypto exchange app, BitPay or [ログインしてURLを表示], before you bid on this project make sure you have a sample to show me for what you have done before.

    $23 / hr (Avg Bid)
    $23 / hr 平均入札額
    14 入札

    I want to hire a freelancer that can create a cloud mining website for me . All documentation information will be provided in chat . Here is a only tamplate for view like this . List for mining cryptocurrency coins . 1. Bitcoin 2. Ethereum 3. Ethereum Classic. 4. Bitcoin Cash 5. Litecoin 6. Dash 7. Tron 8. ADA 9. Dogecoin. 10. Shiba Inu 11. Monero 12. Digi Byte . 13. Binance USD . 14. Ripp...

    $626 (Avg Bid)
    $626 平均入札額
    15 入札

    I need bitcoin lightning wallet. 1. That can show RBF Bitcoin into balance just wallet Éclair mobile wallet. 2. Like “wallet of satoshi” there is not need to make Bitcoin Lighting channel. 3. Able to accept and show RBF bitcoin wallet and top of that able to send RBF bitcoin to other bitcoin lightning wallets or channels and other mobile should accept that. Only expert contact t...

    $1510 (Avg Bid)
    $1510 平均入札額
    7 入札

    I need Bitcoin Lightning wallet with some extra feautres.

    $1398 (Avg Bid)
    $1398 平均入札額
    14 入札

    Looking to hire someone willing to learn about blockchain data analysis and perform it for our company. This would be a full time role that would pay $2000/month. We will provide training materials to learn about the subject as part of the interview process. This role consist of doing blockchain analysis for different protocols (i.e. Ethereum, Polygon, Terra, Solana) and talking about insights on...

    $40166 (Avg Bid)
    $40166 平均入札額
    6 入札

    Need Only Hot Leads - 3 days old max. 5000 Hot Leads from : France only Payment steps: - 20$ The rest after checking the leads are good and no false. Attached Xls temp file.

    $195 (Avg Bid)
    $195 平均入札額
    4 入札

    Freelancer, good day I need Decentralised Dapp which based on central controlling I have app design and features

    $2625 (Avg Bid)
    $2625 平均入札額
    38 入札

    Help me in creating cryptocurrency. Reference: Ethereum, Bitcoin Only highly experienced and knowledgable candidates are preferred. DM me for a small casual interview over chat. Thanks in advance.

    $41 / hr (Avg Bid)
    $41 / hr 平均入札額
    5 入札

    Help me in creating cryptocurrency. Reference: Ethereum, Bitcoin Only highly experienced and knowledgable candidates are preferred. DM me for a small casual interview over chat. Thanks in advance.

    $24 / hr (Avg Bid)
    $24 / hr 平均入札額
    7 入札

    COMPANY OR TEAM DO NOT APPLY..ONLY INDIVIDUALS ARE WELCOME..WE WANT INDIVIDUAL GUYS IN FULL TIME BASIS FOR A LONG PERIOD. Requirement of a FULL TIME Blockchain developer who have a knowledge in NFT [ログインしてURLを表示] talking with you and discuss your [ログインしてURLを表示] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company details will be discussed. COMP...

    $2645 (Avg Bid)
    $2645 平均入札額
    6 入札
    GO RPC developer to modify code 2 日 left
    認証完了

    Hello looking for someone to modify code below to make buy and sell orders on axie infinity marketplace. Ronin chain is a sidechain of etherium This code: [ログインしてURLを表示] More information [ログインしてURLを表示]

    $109 (Avg Bid)
    $109 平均入札額
    4 入札
    Edits on smart contract Solidity 2 日 left
    認証完了

    I have a smart contract code on [ログインしてURLを表示] 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, Total purchase tax: 15% 7% in BNB for holders 5% for marketing 3% injected into liquidity. Sales tax: 20% 10% for...

    $143 (Avg Bid)
    $143 平均入札額
    10 入札