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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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    31 找到的工作,价格在 USD

    Content writing on Bitcoin/cryptocurrency

    $359 (Avg Bid)
    $359 平均报价
    20 竞标
    Develop Crypto Trading Software 6 days left
    已验证

    I need someone who can develop crypto trading software. platform I'm focusing - Binance, Bittrex

    $222 (Avg Bid)
    $222 平均报价
    17 竞标
    ICO listing on ICO websites 6 days left
    已验证

    ICO listing task: Accurate data entry. Looking for somebody with ICO listing experience to list our client's ICO on major ICO listing sites. Please mention your experience in this regard and how you plan to go about it. You will first do your research and provide the list of websites to list the ICO and their conditions if any. Upon approval by us you will then proceed. You will be provide...

    $170 (Avg Bid)
    $170 平均报价
    7 竞标

    My company is in need of a fully functional Crypto Exchange for BTC and ERC20 tokens That has the similar working features and functionality as hitbtc but with a unique front end. High-security backend end functionality with 2 FA authorization and Google recaptcha at login. Script must have liquidity API script for instant liquidity. Must have a viewable working demo or past crypto exchange job c...

    $1593 (Avg Bid)
    $1593 平均报价
    35 竞标

    i want to make auto payment system with bitcoin for my website [login to view URL] im have payment system paypal and 2checkout and i want to add payment with bitcoin i need to implement the new payment method with api of bitcoin

    $471 (Avg Bid)
    $471 平均报价
    19 竞标

    I need to make a new coin using open source of current one, before you bid note you should have experience in fork POS coins before and make everything work probable, contact me for all coin specifications. Please bid within my budget...

    $658 (Avg Bid)
    $658 平均报价
    10 竞标

    I am looking for a Native writer for some Articles on the subjects of Cryptocurrency, the Blockchain Technology, and ICOs. The articles are meant to be published on different websites related to the topics mentioned. The articles can be targetted for readers with different knowledge of the subject. Also highly experienced in writing ICO whitepapers is a plus. We have a lot of writing tasks regard...

    $10 - $30
    加封
    $10 - $30
    7 竞标

    Need an A to Z, Blockchain, Bitcoin, Smart contract, ICO, White papers expert, who have completed a project successfully and can share white papers + project, please share your project link in the bid. Many thanks

    $3030 (Avg Bid)
    $3030 平均报价
    42 竞标
    Develop Exchange (Crypto) 5 days left
    已验证

    I want someone who has done cryptocurrency exchange. Basically, I'm trying to complete exchange with the low budget. The exchange like a binance, bittrex and must have to have all function same as other exchange. Different Market, API, Tracking my Budget is just 500$

    $741 (Avg Bid)
    $741 平均报价
    24 竞标

    Searching a telegram bitcoin investment bot with: deposit withdrawl reinvest balance referrals ref-link infos

    $245 (Avg Bid)
    $245 平均报价
    10 竞标
    blockchain consultation 5 days left
    已验证

    we are exploring few blockchain use-cases and we need someone to consult and develop

    $218 (Avg Bid)
    $218 平均报价
    11 竞标

    I need a PIVX fork. With wallets compiled and masternode configurate. Should include genesis and checkpoint changes also. Deliver working.

    $901 (Avg Bid)
    $901 平均报价
    11 竞标

    Hello Everyone!!! This will be a unique and successful platform. The business strategy and what we are offering is one of kind. It will be one of top 10 Crypto-Currency entities the world. If you're looking for long term then stop and bid because this is for you, this once in a life time opportunity...DO NOT MISS IT!!! Languages Required: (PHP / BootStrap / MySQL / HTML5 / CSS3). Requireme...

    $439 (Avg Bid)
    $439 平均报价
    18 竞标

    Hello, I’m a programmer who wants you to make a tool to trade automatically instead of me as I’m busy now. Requirements Ruby skills What I want you to do 1. Making a function to calculate a certain price to place an order, in detail, (1+percentage)*current price or (1-percentage)*current price 2. Making a function to cancel an order 3. Making a function to place an order Deadl...

    $215 (Avg Bid)
    $215 平均报价
    7 竞标

    I want to fork Steem blockchain and want to connect with my own proof of content network. developer need to fork steem blockchain and deliver me api and wallets which required. come up with what you can provide, timeline and cost.

    $1209 (Avg Bid)
    $1209 平均报价
    13 竞标

    We are looking for someone who can help us with marketing in the Chinese/Korean region. I want someone who must be experienced in this field. You need to show us some example(s) of your previous work. Thanks in Advance.

    $428 (Avg Bid)
    $428 平均报价
    4 竞标
    EXCHANGE SITE 2 days left

    Hi, I'm looking for an exchange website with all the features of sites like binance, bitrex, ready to customize and put in my project in motion.

    $1654 (Avg Bid)
    $1654 平均报价
    40 竞标
    crypto learning 2 days left

    hi i would like to learn how to buy and sell crypto like bitcoin and etheruim in Binance or any another market place i just need to learn how to buy and how to sell how to exchange i need good free lancer to learn me about this with good profit 1000 usd i will learn fast

    $1058 (Avg Bid)
    $1058 平均报价
    27 竞标

    hello i would like to learn about crypto and forex trade in the Binance website and need good free lancer to learn me about the trade in crypto and forex i want to learn how to buy and how to sell and every thing about crypto and how it work with good payment i will paid

    $1116 (Avg Bid)
    $1116 平均报价
    10 竞标

    I'm looking for someone who has an experience in building a lending platform on cryptocurrency based. You don't need to develop cryptocurrency we already have the token. I'm willing to pay 100$ for full service!! If you already have the website you can sell...its easy...

    $386 (Avg Bid)
    $386 平均报价
    7 竞标

    I need A Cryptocurrency Wallet App developer to fix my wallet The biggest issue we are seeing right now is that the client will not stay connected to the server. It connects then immediately disconnects with no errors from the client or the server. The server is at the correct block height and seems to talk to the core node just fine Outside of that it needs to be upadated to support the fork at...

    $2186 (Avg Bid)
    $2186 平均报价
    12 竞标

    Hi, We are looking for someone or a company who have many years experience in Wordpress, Crypto like Bitcoin etc. and Web development. We need someone who can extend the functionality of the provided Wordpress theme. The requirements can be found in the uploaded ppt.

    $522 (Avg Bid)
    $522 平均报价
    81 竞标

    Hello, I am looking for a programmer to create and secure ERC20 token. I am creating an ICO, where tokens will be backed by real estate projects in Central Europe and holders of those tokens will receive profit share in ETH. Thank you, Jiří Cipín

    $366 (Avg Bid)
    $366 平均报价
    13 竞标

    OTC Trading P2P Trading Escrow System Simular to localbitcoins and paxful Needs a clean UI Easy to use admin interface User must be able to buy and sell btc able to upload btc to wallet and transfer out when they like I want the same functions as [login to view URL] or [login to view URL]

    $53 / hr (Avg Bid)
    $53 / hr 平均报价
    47 竞标

    Hello, I am looking for an experienced ICO advisor and ICO Manager. I am looking to open a revolutionary Crypto Currency Exchange and wallet service platform. There will be an ICO for Utilty token that will be used on the platform. This will be different and will succeed based on what we are offering. Kindly contact me so we can discuss this. Thank you.

    $748 (Avg Bid)
    $748 平均报价
    25 竞标

    I am looking for a professional Whitepaper for a new ICO we will be launching. 15Pages+ with good market research included some economics with references and Charts. I will give you around 40% of the info I already have with an overview of the product. Knowledge of Token sales important and how to include it in the Whitepaper. High-level Knowledge of the following is needed: - Electricity market...

    $742 (Avg Bid)
    $742 平均报价
    67 竞标
    Crypto trading bot 1 day left
    已验证

    I want to make a crypto trading bot (ccxt or other) that is capable of using the Coinigy API or the API of most exchanges. This bot must be able to work on a VPS and its auto start can be programmed on a Windows server. It must be able to control through a friendly graphical environment Must be able to run on at least 20 trading pairs at the same time. It should be possible to add strategies and ...

    $250 - $750
    加精 加封
    $250 - $750
    16 竞标
    Top 10 ERC 20 Tokens integration 22 hours left
    已验证

    I am looking for a developer who can integrate Top 10 ERC 20 Tokens to my website. Only Experienced Developers needed.

    $254 (Avg Bid)
    $254 平均报价
    5 竞标

    I need to replace old parameters to new one written with c++, in source code of the current working coin,the replace parameters such as and not limited to: Name, total supply (number of coin), prefix, block time, wallet, ……. pre-mined coin (total number of coins ). i expect to receive: New files with new parameters, work fine without any issue with it's all functions.

    $189 (Avg Bid)
    $189 平均报价
    22 竞标

    hi i would like to make script speech recognition to text and make it in text its like to chnage the audio to text file it im already have some audios thats i want to solve them and exchange to txt

    $1160 (Avg Bid)
    $1160 平均报价
    16 竞标
    Create a new Crypto Currency 2 days left
    已验证

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $3506 - $5844
    加精 加封 保密协议
    $3506 - $5844
    43 竞标

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