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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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    51 trabajados encontrados, precios en EUR

    Preciso que alguém desenvolva um site de bitcoin onde as pessoas consiga negociar bitcoin se possível outras moedas também por exemplo EUR/USD , USD/CAD uma espécie de corretora de bitcoin.

    €429 (Avg Bid)
    €429 Oferta promedio
    8 ofertas
    Разработка blockchain 6 días left
    VERIFICADO

    Нужна разработка блокчейн платформы. Задача в приложении, скачайте и ознакомьтесь пожалуйста. Стек кастомная библиотека polkadot, ink, grandpa, и язык rust в основном.

    €212 - €635
    Sellado
    €212 - €635
    0 ofertas

    Hello, I need the following: -Comprehensive list of countries that disallow crypto trading. -Full list of every country that disallow crypto mining. -I need to find the names of the owners, contact information, social/professional media accounts… of people that run and/or own (current/previous) cryptomining facilities (other than US, obviously; focusing on those that are no long allowed to...

    €54 (Avg Bid)
    €54 Oferta promedio
    21 ofertas

    Need a tested bot with a good trade profit percentage for Binance. The following settings I need to be configurable in the bot - 1. Bot should trade on every coin we input for {Coin}/USDT 2. Please see the attached screenshot for other configuration options required Please only those freelancers contact, who have already worked on this and have a product near to the above specifications ready. ...

    €505 (Avg Bid)
    €505 Oferta promedio
    6 ofertas

    We are looking to design a dapp platform that allows a basic gambling function using a designated cryptocurrency for trading.

    €7 / hr (Avg Bid)
    €7 / hr Oferta promedio
    3 ofertas
    CryptoPurchase Site -- 2 6 días left
    VERIFICADO

    I need a crypto portal that will allow users to purchase crypto in real time using their debit cards/credit cards. Immediately after purchase, I want them to be able to send the crypto to any wallet of the same currency on the blockchain. This would be similar to the way you purchase crypto and withdraw it from crypto dot com website. I am ONLY interested in purchasing and withdrawing crypto in...

    €1006 (Avg Bid)
    €1006 Oferta promedio
    26 ofertas

    I want to build a cryptocurrency exchange platform..... I want exalty the same thing Please check chiji14xchange for more clarification.... [iniciar sesión para ver URL]

    €468 (Avg Bid)
    €468 Oferta promedio
    17 ofertas

    I want to add live crypto prices at the user dashboard on my website and also add a countdown from the time a user invest in the website till the time the investment is due for withdrawal

    €357 (Avg Bid)
    €357 Oferta promedio
    5 ofertas
    Cyptocurrency Gateway API 6 días left
    VERIFICADO

    Hello. Please read this in its entirety. Don't propose and waste my time. Make it a reasonable offer. Highlight your experience and questions and any other topics you want to cover. You need to make an API (in any language such as MERN/MEAN stack, Python Flask/Django or PHP, etc) that has the ability to generate a cryptocurrency address and hold its address and private key in a secure way (...

    €542 (Avg Bid)
    €542 Oferta promedio
    31 ofertas

    Looking for a coder to be able to copy/create/edit code for the creation of a smart contract for an ERC token that has ETH reflections built in. The following must be built into the smart contract: 1. We want the reflection to be in the form of ETH. 2. We want to set a holder minimum in order to qualify for the ETH reflection. 3. We want the ETH reflection to be deposited daily. 4. The token must...

    €11 / hr (Avg Bid)
    €11 / hr Oferta promedio
    6 ofertas

    I want to get Liquidity pool tokens from smart contracts. If you don't know about blockchain and ethereum, please don't bid here.

    €671 (Avg Bid)
    €671 Oferta promedio
    7 ofertas
    Nft marketplace 5 días left

    I want to develop Nft marketplace similar to opensea with full features and functionalities kindly reply with your best proposal

    €4719 (Avg Bid)
    €4719 Oferta promedio
    7 ofertas

    Quantower is a cryptocurrency trading platform that has an open design which allows anybody to create custom modules which integrate directly into the software. They have a package on NuGet which allows you to use Visual Studio to create these modules. Quantower API can be found here: [iniciar sesión para ver URL] Quantower Connection API can be found here: [iniciar sesión para ver...

    €561 (Avg Bid)
    €561 Oferta promedio
    4 ofertas

    Hi! I'm going to update my marketplace. Don't bid to my project If you are expert in this side. I'll disciss with freelanser about project description via chat or call.

    €2318 (Avg Bid)
    €2318 Oferta promedio
    5 ofertas
    Crypto Loan, P2P and P2P Loans 5 días left
    VERIFICADO

    We have a pre-existing app/code that we want to add a P2P system, a P2P loan system using escrows (abit like localbitcoins) and an individual loan system like Nexo,Blockify etc onto. We require this to be on iphone and Android stores. These 3 systems outlined will be added onto the existing app. We have added a specifications document to this and advise you to read it before submitting to us. The...

    €3436 (Avg Bid)
    €3436 Oferta promedio
    34 ofertas

    Quantower is a cryptocurrency trading platform that has an open design which allows anybody to create custom modules which integrate directly into the software. They have a package on NuGet which allows you to use Visual Studio to create these modules. Quantower API can be found here: [iniciar sesión para ver URL] Quantower Connection API can be found here: [iniciar sesión para ver...

    €310 (Avg Bid)
    €310 Oferta promedio
    5 ofertas

    Need a web developer knows cryptocurrencies and blockchain technologies.

    €1359 (Avg Bid)
    €1359 Oferta promedio
    11 ofertas

    Create an ERC20 token using openzeplin and deploy it on mainnet after complete testing. Add the token on Uniswap. Tokenomics and logo would be shared during the discussion.

    €136 (Avg Bid)
    €136 Oferta promedio
    7 ofertas

    Hello, I want a professional developer who know much about uniswap, pancakeswap, yield farming to kindly bid so that he can help me on many project. THANKS

    €296 / hr (Avg Bid)
    €296 / hr Oferta promedio
    2 ofertas

    i need an experienced solidify smart contract developer that can create a token for our project. Details will be shared, but developer should have knowledge of swaping, farming, staking, buyback e.t.c

    €476 (Avg Bid)
    €476 Oferta promedio
    28 ofertas

    I need a crypto contract developer we want the working of the contract similar to babycaks fast and immediate delivery needed

    €324 (Avg Bid)
    €324 Oferta promedio
    7 ofertas

    Hi I would like to buy cryptocurrency, I would like to have some advice?

    €396 (Avg Bid)
    €396 Oferta promedio
    12 ofertas

    Need to create a website to display the details of this tool [iniciar sesión para ver URL] It should be divided into different sections as per the site [iniciar sesión para ver URL] [iniciar sesión para ver URL] have a github, you have to use that API to get the data. Before talking to me check the github and familiarize with the code. [iniciar sesión para ver URL] ...

    €484 (Avg Bid)
    €484 Oferta promedio
    46 ofertas

    investment advisor. cryptocurrency and equity specialist look for an investor to start the business. 1- first option to create a portfolio in shares and cryptocurrency 2-creates a cryptocurrency mining network

    €12706 (Avg Bid)
    €12706 Oferta promedio
    1 ofertas

    investment advisor. cryptocurrency and equity specialist look for an investor to start the business. 1- first option to create a portfolio in shares and cryptocurrency 2-creates a cryptocurrency mining network

    €42353 (Avg Bid)
    €42353 Oferta promedio
    1 ofertas

    look for an investor to start the business. 1- first option to create a portfolio in shares and cryptocurrency 2-creates a cryptocurrency mining network 3-create a network of several mining machines in Paraguay

    €2541 - €4235
    €2541 - €4235
    0 ofertas

    look for an investor to start the business. 1- first option to create a portfolio in shares and cryptocurrency 2-creates a cryptocurrency mining network

    €1991 (Avg Bid)
    €1991 Oferta promedio
    4 ofertas
    Bitcoin exchange 3 días left

    I need someone who has Bitcoin to sell

    €582 (Avg Bid)
    €582 Oferta promedio
    7 ofertas
    Проект blockchain 2 días left
    VERIFICADO

    Нужна разработка блокчейн платформы. Задача в приложении, скачайте и ознакомьтесь пожалуйста. Стек кастомная библиотека polkadot, ink, grandpa, и язык rust в основном.

    €212 - €635
    Sellado
    €212 - €635
    6 ofertas
    Blockchain Articule writter 2 días left
    VERIFICADO

    Hi, We are looking for an experience blockchain technical article written to join our blog team, if you are interested, please apply.

    €59 (Avg Bid)
    €59 Oferta promedio
    29 ofertas

    I am launching a cryptocurrency and need promotion of my telegram group and Giveaway to a large number of crypto users on telegram which should join the group interact with the group and invest in the ico

    €113 (Avg Bid)
    €113 Oferta promedio
    14 ofertas

    I need a tradingbot for buybit that take the strategie from Tradingview

    €342 (Avg Bid)
    €342 Oferta promedio
    17 ofertas

    We looking for a expert for add our Cryptocurrency on presale site as CoinList and other presale site. what do you have to do? make a list of presale sites. we will choose the one that interests us. you will enter our Crypto on the sites by entering all the necessary information. Once the Crypto is online we will release the milestone. Fixed payment of $ 20 for each site where we will be vis...

    €104 (Avg Bid)
    €104 Oferta promedio
    3 ofertas

    Looking to build a crypto wallet for mobile and web apps. The app will be able to allow users to Send and Receive the most common cryptos such as Bitcoin, Ethereum, BitcoinCash, Ripple, UDST, and maybe more depending on price. We do not want to hold any funds from the users, instead we will just display the funds held in their wallets and enable them to deposit and withdraw from their wallets thr...

    €2174 (Avg Bid)
    €2174 Oferta promedio
    43 ofertas

    You should know how to make the smart contract. I have projects using that skills. You should be ready to show me your skill and websites built by you. Please write proposals with 6 + 2 = ? Thanks

    €139 (Avg Bid)
    €139 Oferta promedio
    12 ofertas

    All details are included in pdf file; download it and check it. **Skill Requirements** ---------------------------------- - Web Security - E-commerce system - Bitcoin and USDT(trc20-protocol) Wallet Development - Web Development - Full-stack - PGP Encryption - Tor Network --------------------------------- Please be sure u got all these skills then bid.

    €2000 (Avg Bid)
    €2000 Oferta promedio
    27 ofertas

    We want the software to do the below stuff: It should generate Btc Fake Transaction(flash btc) with the below features: - -Defined the time that the transaction can remain in the wallet - -Defined the charges of the blockchain networks for a quick confirmation - -VPN and TOR options included with proxy - -Can check the blockchain address before transaction - -Transaction can get full confirm...

    €540 (Avg Bid)
    €540 Oferta promedio
    19 ofertas
    Binary options bot 2 días left
    VERIFICADO

    hello is there anyone who has a legit binary options bot that i can use. i am willing to pay. it can be in bitcoin as well but preferably binary options. please understand that you must have experience in this thank you !

    €445 (Avg Bid)
    €445 Oferta promedio
    6 ofertas

    smart contract on binance blokchain I have a contract on the ethereum network I want to phase the same as on binance with some alliterations Please only accept the project if you really manage to phase the project I will only phase any payment after I test it on the test network and see that it really works these are my conduits  

    €446 (Avg Bid)
    €446 Oferta promedio
    34 ofertas

    I need a developer to maintain cryptocurrency buying site. I currently need a slight re-design, a new purchasing page, a live chat box integrated, create forms, and few other smaller things. This will be an ongoing position. The ideal candidate will have excellent backend skills, be familar with cryptocurrency, AWS, sendgrid, speak good American English, be able to communicate daily from 8a...

    €30 / hr (Avg Bid)
    €30 / hr Oferta promedio
    62 ofertas

    Help me set up bitcoin wallet by which I can send and receive bitcoin. And make payments via bitcoin from India to foreign country.

    €11 (Avg Bid)
    €11 Oferta promedio
    4 ofertas

    Hi, We have token on BSC and already listed. Our plan to bring our token to ETH network and make cross chain swappable.

    €42 / hr (Avg Bid)
    €42 / hr Oferta promedio
    4 ofertas

    Desire to create my own mining pool with custom dashboard and results to be accessed for members. (Simplified)

    €385 (Avg Bid)
    €385 Oferta promedio
    6 ofertas

    need my cryptocurrency telegram growth with real active members

    €15 (Avg Bid)
    €15 Oferta promedio
    4 ofertas
    Bot trading 21 horas left

    Hello I am looking for an automated trading bot. I want to use it on my ipad Must be able to: Arbritrage search thru 100+ exchanges; 100+ tokens Flash loan incorporation Autotrade Have manual settings for me to specify exchange and token Looking to buy immediately We will test run it together with screenshare before i buy Thx

    €534 (Avg Bid)
    €534 Oferta promedio
    12 ofertas

    You must be able to get a large amount of people talking about the cryptocurrency i am launching through telegram, tiktok, reddit. You must have experience in this already with bsc tokens and launching them and have experience with presale and private sale. Shilling experience and promoting on telegram

    €17 (Avg Bid)
    €17 Oferta promedio
    5 ofertas

    - We are currently working on a NFT Marketplace Project - Our project is based on Polkadot Blockchain - Test Net has already launched in polkadot, check: [iniciar sesión para ver URL], TEST NET -> Fantour - Backend is 80% done, you will only need to handle the frontend Example: [iniciar sesión para ver URL]

    €2099 (Avg Bid)
    €2099 Oferta promedio
    38 ofertas

    we want to get our token listed and traded on pancake swap

    €147 (Avg Bid)
    €147 Oferta promedio
    18 ofertas

    i need a skilled blockchain , expert to develp a special software

    €252 (Avg Bid)
    €252 Oferta promedio
    20 ofertas

    Principales artículos de la comunidad Bitcoin