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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.

Bitcoin has its own technical part that needs to be addressed by professionals. If you are one of them, then you should be on a platform that ensures the consistency of job posting by clients. When working as a bitcoin freelancer at Freelancer.com, you will have access to many of the jobs posted by clients from all over the world and bid on those that are within your professional level. There is too much to enjoy while working at the leading freelancer platform online, including getting paid at rates that your services deserve, giving you the encouragement you need to keep on working on more Bitcoin projects.

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    86 работ(-а,-ы) найдено, цены указаны в USD
    A white paper similar to VeVe / Refinable for an NFT platform. 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Only contact me if you are professional and you could do the white paper / tokenomics and the coin release?

    $58 (Avg Bid)
    $58 Ср. заявка
    3 заявок(-ки)
    Cryptocurrency wallet -- 3 6 дней(-я) left

    Hi please I need a cryptocurrency wallet like Luno app that can send and receive cryptocurrency but buy from admin,and can also accept credit cards. You can send me message let talk business or if you have a already made custom for this let talk. Thanks in advance

    $450 (Avg Bid)
    $450 Ср. заявка
    1 заявок(-ки)
    Cryptocurrency wallet -- 2 6 дней(-я) left

    Hi please I need a cryptocurrency wallet like Luno app that can send and receive cryptocurrency but buy from admin,and can also accept credit cards. You can send me message let talk business or if you have a already made custom for this let talk. Thanks in advance

    $250 - $750
    $250 - $750
    0 заявок(-ки)
    Create cryptocurrency Token TRX or ETH 6 дней(-я) left
    ПОДТВЕРЖДЕН

    I need a new TOKEN with all features inside, I mean contract, chart, poocoin chart, bsn etc. I need also website and images inherent.

    $532 (Avg Bid)
    $532 Ср. заявка
    11 заявок(-ки)

    With more and more admins join us, we are on the way to build a VERY STRONG community. We are look 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 3. Ability to communicate fluently in English We ar...

    $139 (Avg Bid)
    $139 Ср. заявка
    5 заявок(-ки)
    Casino & blockchain developer 6 дней(-я) left
    ПОДТВЕРЖДЕН

    We are looking for a developer who has experience to develop casino & crypto & gambling platform, where people can play online games (such as slot machine, blackjack, roulette, video poker and others). Games results are guaranteed to be absolutely random by using provably fair technology (based on strong cryptographic algorithms). We can provide you our competitor's website https://bc...

    $22 / hr (Avg Bid)
    $22 / hr Ср. заявка
    25 заявок(-ки)
    Script check balance using bitcoin-core 6 дней(-я) left
    ПОДТВЕРЖДЕН

    Hello we need a script or method to check address's in bulk using bitcoin-core in Offline mode using rpc script should be in php py or any way that could scan bulk address and save the result in text file

    $25 / hr (Avg Bid)
    $25 / hr Ср. заявка
    19 заявок(-ки)

    Create an ETH token and create a wallet for the tokens. I already have the idea, need someone to turn that in something real. I will need guidance from the freelancer.

    $30 (Avg Bid)
    $30 Ср. заявка
    1 заявок(-ки)
    Blockchain Dev Needed Must Live In Lucknow India 5 дней(-я) left
    ПОДТВЕРЖДЕН

    We Need A Blockchain Dev that can fork a project and add extra features BID ONLY IF YOU LIVE IN LUCKNOW INDIA

    $742 (Avg Bid)
    $742 Ср. заявка
    3 заявок(-ки)
    Connect my Tradingview pinescrip bot with Byyit exchange 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Hi, I have a strategy which i would like to translate into automated trading via tradingview pine script. The strategy has to be linked with the Bybit platform and should run automatically.

    $140 (Avg Bid)
    $140 Ср. заявка
    6 заявок(-ки)
    NFT Marketplace 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I need someone to help create NFT Marketplace something like Opensea, smart contracts on the BSC Network

    $3309 (Avg Bid)
    $3309 Ср. заявка
    11 заявок(-ки)
    POC for Cold Wallet Crypto DApp 5 дней(-я) left
    ПОДТВЕРЖДЕН

    We are looking to develop a cold wallet DApp (Decentralised App) that works with NFC tags. Basically the NFC tag would store the data of public and private keys and with an authentication from the app (if Client ID matches with account and NFC tag) with the NFC tag will allow private key to be ready for transaction such as sending and receiving. As of now we are only looking to do for Bitcoin D...

    $2077 (Avg Bid)
    $2077 Ср. заявка
    27 заявок(-ки)

    Для просмотра деталей, пожалуйста, зарегистрируйтесь или войдите в систему.

    Соглашение о неразглашении
    Coding and Crypto Consultation 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Very short term project for coding and crypto expert. I need help from a coder and crypto expert who can vet advice and perspective I've been given. I need an expert and I'm willing to pay. In reality I believe this is an hour or two hour job so something someone could fit into their day. It involves website scripts, source code, blockchain tokens. I need this ASAP. Essentially, I hav...

    $50 / hr (Avg Bid)
    $50 / hr Ср. заявка
    3 заявок(-ки)
    Cryptocurrency wallet iOS App 5 дней(-я) left
    ПОДТВЕРЖДЕН

    looking for a developer to build an iOS cryptocurrency wallet app (and later convert to android) the app functions as an escrow wallet, meaning: - buyer transfers crypto from their own wallet into the app escrow wallet (this is the "deposit") - seller can check that cryptocurrency has been received (then seller can send the product by mail) - when buyer receives product, all parties can...

    $486 (Avg Bid)
    $486 Ср. заявка
    17 заявок(-ки)
    Creacion de Criptomoneda 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Similar a Cardano, con un wallet propio.

    $1640 (Avg Bid)
    $1640 Ср. заявка
    16 заявок(-ки)

    bridge erc20 to binance smart chain for use on pancakeswap

    $194 (Avg Bid)
    $194 Ср. заявка
    9 заявок(-ки)
    I want to bridge and new erc-20 token to binance smart chain 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I want to bridge and new erc-20 token to binance smart chain need this to list on pancakeswap

    $160 (Avg Bid)
    $160 Ср. заявка
    2 заявок(-ки)
    ICO Marketing Team Needed 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Hello Freelancers, We are in need of a marketing expert or team who can help market our upcoming cryptocurrency project to one of the biggest and most engaging communities on social media. We need people with expertise in: - Cryptocurrency - Facebook Ads - Instagram - Reddit - Twitter - Telegram - Medium - Video Advertising - Graphic Design/Advertising This would be a gig that lasts through Nov...

    $1137 (Avg Bid)
    $1137 Ср. заявка
    24 заявок(-ки)
    Crpyto Tokenomics Expert 5 дней(-я) left

    Crpyto Tokenomics Expert Looking for someone who is able to launch tokens on BNB and on ETH.

    $57 (Avg Bid)
    $57 Ср. заявка
    8 заявок(-ки)

    I need instant crypto to paypal exchange or other methods, so that members can exchange directly their crypot, in automatic mode. something like this [войдите, чтобы посмотреть URL]

    $2257 (Avg Bid)
    $2257 Ср. заявка
    22 заявок(-ки)
    NFT ecosystem 4 дней(-я) left

    This project is centred on the NFT concept. SCOPE: - Build an NFT ecosystem that allows user to purchase and hold on-platform and on-wallet various NFTs. More than happy to go over all the details with the freelancers I select. Thank you for bidding.

    $883 (Avg Bid)
    $883 Ср. заявка
    9 заявок(-ки)
    Create NFT Market place with TRC721 on Tron Blockchain in Flow 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I want to developer to create NFT Market Place with TRC721. TRC721 is the standard on building in Tron Blockchain. Freelancer create token on using TRC721. I have developed already NFT market place Frontend. so he must connect with new token and run on flow platform. Before bid my proposal, write "TRC721 NFT" first. Plz feel free to bid my project.

    $250 - $750
    Скрытый
    $250 - $750
    4 заявок(-ки)
    trading bot 4 дней(-я) left

    Pine script required for a bot which can do spot long trade only. Bot must satisfy the strategy with atleast 2years back testing data. Bot function: scan market open and close trade,monitor profits. Trade must cater 2 primary and secondary indicator

    $2437 (Avg Bid)
    $2437 Ср. заявка
    4 заявок(-ки)

    Helo we need developer who already build the ethercrsh we need that. We have to do on smart contract.

    $20 - $170
    $20 - $170
    0 заявок(-ки)
    Youtube channel monetization 4 дней(-я) left

    I have a crypto airdrop related youtube channel Can you monetize my youtube channel?

    $40 (Avg Bid)
    $40 Ср. заявка
    9 заявок(-ки)
    Cryptocurrency wallet 4 дней(-я) left

    Hi please I need a cryptocurrency wallet like Luno app that can send and receive cryptocurrency but buy from admin,and can also accept credit cards. You can send me message let talk business or if you have a already made custom for this let talk. Thanks in advance

    $500 (Avg Bid)
    $500 Ср. заявка
    3 заявок(-ки)
    we are looking Blockchain Expert Developer 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Kindly if you are Freelancer Developer then only Bid "Don't place bid Company"

    $10 - $750
    Скрытый Соглашение о неразглашении
    $10 - $750
    5 заявок(-ки)
    Cybercurrency 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Am trying to find a company that 1. Has experience in creating a new cybercurrency for listing on an exchange AND secondly the setup of that currency/token on an exchange....

    $39 / hr (Avg Bid)
    $39 / hr Ср. заявка
    12 заявок(-ки)

    I am looking for a very good coder to create a website where i can sell my new cryptocurrency. the token i am going to sell is an ERC20 based token. more details will be provided after bidding... the main function is to implement a function like: function selling ( owner_address, buyer_address, amount, error) .. please only bid if you have created websites like that. Thank you

    $287 (Avg Bid)
    $287 Ср. заявка
    17 заявок(-ки)
    I want a professional currency trader 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I want a professional trader If you are unprofessional, please do not bid

    $449 (Avg Bid)
    $449 Ср. заявка
    12 заявок(-ки)
    Storing data in blockchain anonymus (IOT - sensor data) 3 дней(-я) left
    ПОДТВЕРЖДЕН

    Storing data in blockchain anonymus. Developments using blockchain to secure IoT/industrial Internet applications. Blockchain technology is used to securely store a payload, like sensor data from a vast number of sensor nodes.

    $641 (Avg Bid)
    $641 Ср. заявка
    11 заявок(-ки)

    Для просмотра деталей, пожалуйста, зарегистрируйтесь или войдите в систему.

    Скрытый Соглашение о неразглашении
    $3411 Ср. заявка
    1 заявок(-ки)

    Hi, I have an online btc game. its needs hot wallets added to it so that players get their deposits and withdraws quickly. Please only apply for this if you have extensive knowledge on this subject, I need it done quickly and clean.

    $238 (Avg Bid)
    $238 Ср. заявка
    5 заявок(-ки)
    Bitcoin exchange app 3 дней(-я) left

    Want a simple platform where people can exchange bitcoin and altcoins. No need for fiat.

    $703 (Avg Bid)
    $703 Ср. заявка
    18 заявок(-ки)
    coin development 3 дней(-я) left

    I need a blockchain developer to develop coin similar to doge coin with full requirement

    $191 (Avg Bid)
    $191 Ср. заявка
    9 заявок(-ки)

    need to add a small function to existing token smart contract

    $238 (Avg Bid)
    $238 Ср. заявка
    2 заявок(-ки)

    need to add a small function to existing token smart contract

    $366 (Avg Bid)
    $366 Ср. заявка
    9 заявок(-ки)

    need to add a function to existing trc20 token contract that enables token transfer to multiple addresses at once

    $163 (Avg Bid)
    $163 Ср. заявка
    1 заявок(-ки)

    looking for a few pros to Shill online to get more people as members to our telegram account. We have a crypto coin which we are promoting and need new members to our group. Will need you to do the following: - post on crypto related boards on Reddit - comment on crypto posts on Reddit - comment on large Twitter accounts promoting the coin - make posts in crypto telegram groups - post in crypto...

    $104 (Avg Bid)
    $104 Ср. заявка
    13 заявок(-ки)

    I am looking for someone that will interested to help me work on my blockchain smart contract

    $519 (Avg Bid)
    $519 Ср. заявка
    18 заявок(-ки)

    add one more function to trc20 token contract code that enables transfer of tokens to multiple addresses

    $20 - $171
    $20 - $171
    0 заявок(-ки)

    need to modify existing trc20 token contract and redeploy

    $135 (Avg Bid)
    $135 Ср. заявка
    1 заявок(-ки)

    add one more function to trc20 token contract code that enables transfer of tokens to multiple addresses

    $95 (Avg Bid)
    $95 Ср. заявка
    1 заявок(-ки)

    need to modify existing trc20 token contract and redeploy

    $95 (Avg Bid)
    $95 Ср. заявка
    1 заявок(-ки)
    Token Bridge Expert 2 дней(-я) left

    I'm looking for Token Bridge Expert with over 1 years on Smart Contract. If you have good experience in this field, Hit me up please.

    $3134 (Avg Bid)
    $3134 Ср. заявка
    11 заявок(-ки)
    I need a salesman 2 дней(-я) left

    We are a company that works in the cryptocurrency environment, We successfully raised money from the public, we are now looking for salesmen to help us to push our project with the institutional. We have a deck and a fill with more than 800 investors that we need get in touch with.

    $12113 (Avg Bid)
    $12113 Ср. заявка
    1 заявок(-ки)
    Create NFT market place with the MON token on BSC 2 дней(-я) left
    ПОДТВЕРЖДЕН

    Monnfts is a creator-centric NFT marketplace on BSC Blockchain and issuance platform that utilizes the Monster token (MON) to empower users who actively interact with the protocol. Token contract: 0xac4c090b32533d13281c681fd1ebf740cd5718ff Detail Design for the project: [войдите, чтобы посмотреть URL] 1. Creators: On Mint and Selling NFT The Creators space helps the original artist to display the...

    $2590 (Avg Bid)
    $2590 Ср. заявка
    25 заявок(-ки)

    Helo we need developer who already build the ethercrsh we need that. We have to do on smart contract.

    $5118 (Avg Bid)
    $5118 Ср. заявка
    1 заявок(-ки)