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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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    26 trabajados encontrados, precios en USD

    Lanzar un token en la red de etherium y con un sistema de collateralizacion como el de la criptomoneda DAI + una app en donde pueda transaccionar los tokens y una serie de herramientas relacionadas . Solo para los que tengan experiencia en solidity, defi , android studio

    $3512 (Avg Bid)
    $3512 Oferta Promedio
    4 ofertas

    Me gustaría un curso de varias clases/vídeos de Solidity o Hyperledger (cualquiera de los dos me sirve), empezando desde lo más básico hasta llegar a lo avanzado para desarrollo Blockchain y para sacarle el máximo partido al software o para Smart Contracts. La duración total sumando todos los vídeos al menos de 30 minutos. Importantísimo, idi...

    $28 (Avg Bid)
    $28 Oferta Promedio
    1 ofertas

    Hello I have installed yiimp on my Ubuntu server 18.04 and it works fine no problem with that. I have also installed bitcoin on it works also without any problem. I have already created the node and also synchronized the block chain I want only to add Monero algorithm to yiimp too. MAX BID $75

    $700 (Avg Bid)
    $700 Oferta Promedio
    1 ofertas
    ByBit Bitcoin Trading [Help] 6 días left
    VERIFICADO

    Hi! I need someone to walk me through on setting up my trade. This must be someone’s who knows exactly what they’re doing on Bybit. Ideally we’d hop on a zoom call and you can walk me through. I only need about 1 hour of your time and that’s all. Put [SNOW] in your response to filter out spam.

    $150 (Avg Bid)
    $150 Oferta Promedio
    1 ofertas

    I need my website re-configured along with bitcoin server. Opensource, like [iniciar sesión para ver URL] is fine. If having experience from dual networking / clearnet + tor on same site its a bonus. I expect this to not be more precise than one hour of work for a developer.

    $145 (Avg Bid)
    $145 Oferta Promedio
    3 ofertas
    Online marketer 6 días left

    I need an online marketer with adequate knowledge of bitcoin and other cryptocurrency for immediate contract

    $971 (Avg Bid)
    $971 Oferta Promedio
    7 ofertas
    WHMCS Credit Card Payment Gateway 5 días left
    VERIFICADO

    Looking for someone to build me a payment system where I can take credit cards directly from whmcs and run the module once payment is received. Bitcoin* etc Coinbase

    $150 (Avg Bid)
    $150 Oferta Promedio
    1 ofertas
    trading Bot build 5 días left
    VERIFICADO

    Hello i need someone how make me a Profit Trading Bot for bybit

    $575 (Avg Bid)
    $575 Oferta Promedio
    12 ofertas

    I need a trading bot that work 24/7 and profitable of 50-60%

    $100 (Avg Bid)
    $100 Oferta Promedio
    1 ofertas

    I want someone to fix the error for me on uniswap. Do let me know it is not a big error it is related to ABI or something miss function the one i missed. Don't waste my time if you have experience about this do contact me otherwise don't miss use your bid thanks.

    $110 (Avg Bid)
    $110 Oferta Promedio
    3 ofertas

    Hello, I am seeking an experienced cryptocurrency trading bot developer. We have been developing the cryptocurrency trading bot which supports 10 exchanges and 10 strategies. It currently covers all the functionalities and it is in a testing phase. However, due to the lack of time of the current developer, the project is wrapping up slowly. (He has a full-time job already.) Hence, I need someone w...

    $965 (Avg Bid)
    $965 Oferta Promedio
    10 ofertas
    Bitcoin exchange website 4 días left
    VERIFICADO

    Hello, I'm looking for someone to create a cryptocurrency exchange website for me. Something similar to [iniciar sesión para ver URL] or Coinmama.com. Only looking to work with people who have previous experience with such project. For that reason I'm not going into details here as you should know what this kind of project requires and details would be discussed privately. Plea...

    $5973 (Avg Bid)
    $5973 Oferta Promedio
    33 ofertas

    I have an old dispute with a casino who ran away with my bitcoins. Now I have enough material to build a case. Looking for someone with experience in this field. Thanks

    $20 / hr (Avg Bid)
    $20 / hr Oferta Promedio
    10 ofertas

    Need someone experienced on the above , and who has done projects in them to submit a short research report , answering a few specific questions , and recommending a rough logic/algorithm for implementing a function in crypto .. The task can ideally be finished quite quickly for someone experienced who has done this before. Key Questions : 1) About building unique digital assets for existing ...

    $196 (Avg Bid)
    $196 Oferta Promedio
    6 ofertas

    I have an idea and I want someone who can master the language of solidity to write a smart contract on the tron blockchain platform

    $573 (Avg Bid)
    $573 Oferta Promedio
    15 ofertas
    Blockchain Expert developer needed 4 días left
    VERIFICADO

    we are looking for an expert of solidity to solve some issues with smart contract

    $574 (Avg Bid)
    $574 Oferta Promedio
    10 ofertas

    We need our custom payment gateway with Bitcoin using our Bitcoin Core Full Node. We will have own custom address system and will track the transactions through webhook system. You must develop a BTC wallet restful API send API calls to our Bitcoin Core Full Node.. Check the attachment for details of each endpoint needed.

    $1266 (Avg Bid)
    $1266 Oferta Promedio
    24 ofertas

    We are building a decentralized defi staking smart contract tron network. This should be an simple and quick project for the right developer. This will also include a simple 1 - 2 page website as a user interface to connect to the contract. This is an defi concept and and freelancers must have similar experience to be considered.

    $1541 (Avg Bid)
    $1541 Oferta Promedio
    10 ofertas

    We are building a decentralized smart contract MLM based tron network. This should be an simple and quick project for the right developer. This will also include a simple 1 - 2 page website as a user interface to connect to the contract. This is an MLM concept and and freelancers must have similar experience to be considered.

    $1605 (Avg Bid)
    $1605 Oferta Promedio
    14 ofertas

    Hi, this is a one off project, for someone familiar with Binance Smart Chain and able to recover BTC accidentally sent to an unsupported address

    $35295 (Avg Bid)
    $35295 Oferta Promedio
    2 ofertas
    I need a smart contract expert 3 días left
    VERIFICADO

    I need someone to write smart contracts for me

    $2411 (Avg Bid)
    $2411 Oferta Promedio
    16 ofertas

    I need someone to set up a Etherium node. Please describe the exact way that you will do the task,

    $893 (Avg Bid)
    $893 Oferta Promedio
    13 ofertas
    Cryptocurrency casino 3 días left
    VERIFICADO

    I need to develop an online cryptocurrency casino. Please write a specific description of how you will achieve the task. I need to develop a crypto casino. So I need someone who will develop the games mainly. You can use open source games as a starting point and then they will customize it based on my graphics.

    $1911 (Avg Bid)
    $1911 Oferta Promedio
    31 ofertas

    I am looking to build a simple BTC game online - basically we would need a website and btc wallet backend system, to be deployed on Linux VPS. We have the website with one btc wallet. Players will be able to deposit as much BTC as they want into the wallet and the balance of this wallet is shown on the website. We also have a countdown timer on the website for 24hrs. Once the timer runs out a winn...

    $983 (Avg Bid)
    $983 Oferta Promedio
    14 ofertas

    We need to create a Token on the ethereum blockchain, most of the tokens will be given to users through a smart contract, an app will interact with the smart contract and will ask to the contract to send some tokens to an ethereum address. Tokenomics: 5 000 000 Tokens 100 000 To be mined through the app 50 000 Reserved for future developments of the project you will have to edit the app code ...

    $285 (Avg Bid)
    $285 Oferta Promedio
    13 ofertas
    need help with bitcoin 1 hora left
    VERIFICADO

    need help with bitcoin buying

    $20 (Avg Bid)
    $20 Oferta Promedio
    4 ofertas

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