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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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    55 najdenih del, po cenah EUR

    Need android app wallet app Do proper design and Solidity programming. Send/receive, internal exchange feature and other wallet support

    €2122 (Avg Bid)
    €2122 Povprečna ponudba
    11 ponudb

    Need android app which based on Decentralised server. I have design and template

    €2142 (Avg Bid)
    €2142 Povprečna ponudba
    14 ponudb

    Need someone to create a crypto profile for me. It will be an Excel sheet with a variety of column recommending the different coins, NFTs, Altcoins, etc for a particular amount of capital to buy Hello, I am an Angel Investor, mentoring and investing in tech startups for a few years now. If you are an expert in crypto / blockchain and are seeking support to launch your idea then feel free to pi...

    €98 (Avg Bid)
    €98 Povprečna ponudba
    2 ponudb

    - ONLY CONTACT ME IF YOU ACCEPY MY BUDGET!!! ALSO I WILL ONLY RELEASE MONEY AFTER PROJECT IS DONE AND TRANSFFERED TO ME FLAWLESS. - same exact interface and same functions as [prijavite se za ogled URL] only the P2P trading Escrow part. - website holds Escrow funds until seller Approved he got Paid. - buyer and seller can trade crypto with same options as in c2cbinancecom/en. - website deducts fee...

    €2098 (Avg Bid)
    €2098 Povprečna ponudba
    21 ponudb

    Lost over 80% of my 5 digits Coin base wallet overnight this weekend, totally unexpectedly, and I can't figure out how it happened!!! I couldn't understand the history either I need an expert to help me on a screen share, on an hourly basis ASAP thanks!

    €32 / hr (Avg Bid)
    €32 / hr Povprečna ponudba
    4 ponudb
    Criar Token ERC20 6 dni left
    VERIFICIRAN/A

    Preciso de um programador experiente para criação de uma moeda virtual dentro da rede ethereum. Iremos emitir apenas 10.000 unidades que deverão ser destinadas para uma carteira mestre.

    €420 (Avg Bid)
    €420 Povprečna ponudba
    8 ponudb

    I need help with understanding how to make a bridge between eth and bsc networks. I created an custom erc20 token and now I would like that my token also exists on the BSC network.

    €16 / hr (Avg Bid)
    €16 / hr Povprečna ponudba
    14 ponudb
    Lokking for NFT expert -- 2 5 dni left
    VERIFICIRAN/A

    4 releases of 5000 NFT’s representing every animal on earth, in proportion to the animal’s real world population and scarcity. I am looking for a experience developer to do this, a detailed document will be provided

    €14 / hr (Avg Bid)
    €14 / hr Povprečna ponudba
    15 ponudb
    Bitcoin Transaction Generator 5 dni left
    VERIFICIRAN/A

    We are looking for capable developer to develop a simple program, with the feature to send fake transactions to the BTC valid wallet. It should generate Btc Fake Transaction (flash btc) with the below features: - - Amount field - USD or BTC: till decimal 8 digit - Receiver’s Bitcoin address field. -Defined the charges of the blockchain networks for a quick confirmation - -Transaction can ge...

    €313 (Avg Bid)
    €313 Povprečna ponudba
    6 ponudb

    I want to create a custom bitcoin miner computer (maybe raspberry pi) that also has 100 5nm asic chips. I’m looking for efficient processing of the asic with the lowest cost as possible. I would like to use liquid cooling to over clock as much as possible. I’m looking for an out of the box engineer to be creative with this project. If successful - we will have a lot more work to do

    €558 (Avg Bid)
    €558 Povprečna ponudba
    10 ponudb
    list my items on eBay 5 dni left
    VERIFICIRAN/A

    hello good to you guys i am looking to hire someone with a reputable eBay or amazon USA or Canada store to list my 2 Innosilicon T2T 30Th/s BTC ASIC Miner Machine 2200W Bitcoin Miner Include PSU used bitcoin miner for sale for 2 month and it will be listed with a sponsor or a bidding post

    €90 (Avg Bid)
    €90 Povprečna ponudba
    9 ponudb
    Coin listing 5 dni left

    I need to organize my ico launch And maybe organize listing on Coingecko if its possible for u

    €1278 (Avg Bid)
    €1278 Povprečna ponudba
    1 ponudb

    I want to create a custom bitcoin miner computer (maybe raspberry pi) that also has 100 5nm asic chips. I’m looking for efficient processing of the asic with the lowest cost as possible. I would like to use liquid cooling to over clock as much as possible. I’m looking for an out of the box engineer to be creative with this project. If successful - we will have a lot more work to do

    €326 (Avg Bid)
    €326 Povprečna ponudba
    3 ponudb

    I want to create a custom bitcoin miner computer (maybe raspberry pi) that also has 100 5nm asic chips. I’m looking for efficient processing of the asic with the lowest cost as possible. I would like to use liquid cooling to over clock as much as possible. I’m looking for an out of the box engineer to be creative with this project. If successful - we will have a lot more work to do

    €1305 (Avg Bid)
    €1305 Povprečna ponudba
    4 ponudb

    Requirements: 1) Launch will be on solana blockchain. 2) Artists will deliver the traits and attributes 3) After that dev team will generate random characters and metadata using python and will host all the characters and metadata on ipfs, or at a place where changing data is almost impossible 4) Dev team will create and deploy contract for the launch on solana 5) I will hire s...

    €501 (Avg Bid)
    €501 Povprečna ponudba
    3 ponudb

    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 [prijavite se za ogled URL] talking with you and discuss your [prijavite se za ogled URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company detail...

    €1161 (Avg Bid)
    €1161 Povprečna ponudba
    4 ponudb

    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 [prijavite se za ogled URL] talking with you and discuss your [prijavite se za ogled URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company detail...

    €1087 (Avg Bid)
    €1087 Povprečna ponudba
    5 ponudb

    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 [prijavite se za ogled URL] talking with you and discuss your [prijavite se za ogled URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company detail...

    €1264 (Avg Bid)
    €1264 Povprečna ponudba
    6 ponudb
    Need crypto site for prices -- 2 4 dni left
    VERIFICIRAN/A

    Need crypto site desplay prices of any crypto also new crypto will be added to my site automatically need features add all new coins from coingeko need chart price of coin for my own design' need design and functions same as coindataflow research this site before ask me questions.

    €1002 (Avg Bid)
    €1002 Povprečna ponudba
    18 ponudb

    Juego Nft sobre red Start Chain con comercialización de nuestro propio Token en la misma red. El objetivo del juego es hacer ganar recompensas a los usuarios a través de farmear el propio Token. Es un proyecto similar a [prijavite se za ogled URL] Pero con tematica de coches en vez de guerreros.

    €1290 (Avg Bid)
    €1290 Povprečna ponudba
    9 ponudb
    Need crypto site for prices 4 dni left
    VERIFICIRAN/A

    Need crypto site desplay prices of any crypto also new crypto will be added to my site automatically need features add all new coins from coingeko need chart price of coin for my own design' need design and functions same as coindataflow research this site before ask me questions.

    €526 (Avg Bid)
    €526 Povprečna ponudba
    27 ponudb

    Hello , I would like discuss with crypto professionals regarding the creation of an NFT MarketPlace similar to Rarible & OpenSea If you are familiar and have experience in the Blockchain/Crypto & NFT space kindly let me know! Thanks !

    €7617 (Avg Bid)
    €7617 Povprečna ponudba
    14 ponudb
    Crypto mining 3 dni left
    VERIFICIRAN/A

    im looking for a freelancer who can work as a crypto mining agent

    €138 (Avg Bid)
    €138 Povprečna ponudba
    15 ponudb
    Lokking for NFT expert 3 dni left
    VERIFICIRAN/A

    4 releases of 5000 NFT’s representing every animal on earth, in proportion to the animal’s real world population and scarcity. I am looking for a experience developer to do this, a detailed document will be provided

    €76 / hr (Avg Bid)
    €76 / hr Povprečna ponudba
    21 ponudb

    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 [prijavite se za ogled URL] talking with you and discuss your [prijavite se za ogled URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company detail...

    €1024 (Avg Bid)
    €1024 Povprečna ponudba
    13 ponudb
    cloud mining -- 2 3 dni left
    VERIFICIRAN/A

    I need a app or website that can mine min 15 USD crypto coin per day

    €467 (Avg Bid)
    €467 Povprečna ponudba
    5 ponudb
    Build GPU miner 3 dni left
    VERIFICIRAN/A

    Anybody there that can learn me how to build an GPU miner from scratch? Dm me with your experience and projects

    €9 - €26
    €9 - €26
    0 ponudb

    Dear, everyone. I am looking for Blockchain expert who have good experience with Solana and Rust. Feel free to send your proposal. Thanks

    €626 (Avg Bid)
    €626 Povprečna ponudba
    8 ponudb
    Crypto Expert Needed 2 dni left
    VERIFICIRAN/A

    Hi, We need an expert in crypto who knows his/her way around in dealing with bitcoins,eth,blockchains etc We need inputs for a project we are doing. This project is basically for an expert and not a newbie in the crypto industry. Looking forward to your bids.

    €12 (Avg Bid)
    €12 Povprečna ponudba
    1 ponudb

    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 [prijavite se za ogled URL] talking with you and discuss your [prijavite se za ogled URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based company detail...

    €1187 (Avg Bid)
    €1187 Povprečna ponudba
    8 ponudb

    REQUIREMENTS FOR BOT PROGRAMMING OBJECTIVE The objective of the project consists of the programming of a bot that allows the automatic execution of purchases and sales of cryptocurrencies in different exchanges, through the use of the api keys.- FUNCTIONING 1. First: Once the parameters that will be determined for the execution of the trade operation have been fulfilled, the bot must proceed w...

    €16 / hr (Avg Bid)
    €16 / hr Povprečna ponudba
    8 ponudb
    Bitcoin & Backend developer 2 dni left
    VERIFICIRAN/A

    Hi there, I'm looking for a backend developer for a Bitcoin and Bitcoin Lighting network. It can be written in Python or C++. It's in the FinTech area. You should have experience with security and Bitcoin transactions and how cryptocurrency works. The backend has to be written from scratch, so it is important that you write clean and good code and think proactively. Please send me your...

    €23 / hr (Avg Bid)
    €23 / hr Povprečna ponudba
    17 ponudb
    Crypto mining 2 dni left

    I need an urgent freelancer who can work under crypto mining company as a mining agent

    €2796 (Avg Bid)
    €2796 Povprečna ponudba
    10 ponudb

    I need an urgent freelancer who can work under crypto mining company as a mining agent

    €372 (Avg Bid)
    €372 Povprečna ponudba
    4 ponudb

    BLOCKCHAIN SPECIALIST IS URGENTLY REQUIRED TO HELP IN LAUNCHING FORK CRYPTOCURRENCY FROM MY COMPUTER. WE PAY GOOD MONEY!!! I need to make a fork of the Dash cryptocurrency as soon as possible. Deadline - 3 days

    €1207 (Avg Bid)
    Pogodba o nerazkritju informacij
    €1207 Povprečna ponudba
    3 ponudb

    Hello I have already a wallet Script that I just need some functions to be added in the script very well , so I need wallet expert who can handle this for me

    €418 (Avg Bid)
    €418 Povprečna ponudba
    12 ponudb

    able to help restore the Bitcoin private key that I forgot, I hope you can help me

    €8097 (Avg Bid)
    €8097 Povprečna ponudba
    5 ponudb
    Generate nft 1 dan left
    VERIFICIRAN/A

    Hi I will give image and ideas and i need 10k NFTs generated. Also need help posting them online

    €264 (Avg Bid)
    €264 Povprečna ponudba
    9 ponudb

    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.

    €17 (Avg Bid)
    €17 Povprečna ponudba
    3 ponudb
    Smart contract -- 3 1 dan left
    VERIFICIRAN/A

    Looking for serious smart contract dev, to do some modifications on an existing smart contract on BSC -1 i am not paying outside freelancer (or i will report) -2 after work finish, test token must be deployed and listed on pancakeswap for testing before deploying the final token. -3 dev must provide his BNB for deploying and add liquidity for his testing. I will provide BNB when i test. -4 i am...

    €536 (Avg Bid)
    €536 Povprečna ponudba
    17 ponudb
    Configurar Coinbase en web 1 dan left
    VERIFICIRAN/A

    Necesito configurar el método de pago Coinbase en una web realizada en php.

    €197 (Avg Bid)
    €197 Povprečna ponudba
    15 ponudb
    I am a blockchain expert 1 dan left
    VERIFICIRAN/A

    I am a blockchain expert well versed with token creation, defi, NFTs.

    €43 / hr (Avg Bid)
    €43 / hr Povprečna ponudba
    9 ponudb
    Blockchain 1 dan left
    VERIFICIRAN/A

    Hi, guys looking for someone capable to rescue coins, that we send erc20 token to bep20 wrongly.

    €759 (Avg Bid)
    €759 Povprečna ponudba
    3 ponudb

    Hello, we need a skilled full stack developer which is also familiar with the cryptocurrency world in order to customize a script for us. The original Script described including knowledge requirements: (installation pdf is attached) -PHP7 (7.2 recommended) / Laravel -SQL Database (MySQL,PostgreSQL, SQLite, SQL Server) -Elasticsearch (Search interface that will keep track of search record...

    €505 (Avg Bid)
    €505 Povprečna ponudba
    17 ponudb
    Solidity Eth Developer 1 dan left
    VERIFICIRAN/A

    Looking for expert smart contracts developer in solidity who can write customized codes and functionality.

    €1262 (Avg Bid)
    €1262 Povprečna ponudba
    8 ponudb

    I want to build a cryptocurrency with my own cryptocurrency exchange. Working like a bank.

    €22061 (Avg Bid)
    €22061 Povprečna ponudba
    8 ponudb

    We are searching for developer, who is an expert on Ethereum blockchain and Binance Smart Chain. We need a smart contract with the following specifics: 1. Burn enabled (also by sending to zero address) 2. Option to set “manager” address 3. Option to stop token (can only be run by “manager” address) 4. Option to block / unblock funds on a chosen Ethereum address that holds ...

    €1115 (Avg Bid)
    €1115 Povprečna ponudba
    25 ponudb
    My seed node to receive token 21 ur left
    VERIFICIRAN/A

    I need built a application to deposit/withdraw automation on blockchain for BTC, ERC20, XRP, ADA, TRC20, BEP20, SOL,.....

    €1444 (Avg Bid)
    €1444 Povprečna ponudba
    21 ponudb

    3 hour consulting advice needed to design an api data model and smart contract design approach for NFT auction process. No coding is needed, but the candidate must have previous expertise in writing and deploying Dapps Deliverable 1. Three 1:1 one hour sessions guiding us in arriving needed clarity on below points - how to design an auction in blockchain - escrow service in crypto - wrapped eth a...

    €724 (Avg Bid)
    €724 Povprečna ponudba
    7 ponudb

    Hello Everyone I need solidity developer who have experience on VUE JS to deploy contracts and reskin entire website which has only few screens

    €465 (Avg Bid)
    €465 Povprečna ponudba
    37 ponudb

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