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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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    60 jobs found, pricing in AUD

    I need a simple system (Saas) which can provide API for accepting cryptocurrency payments and handle transaction confirmations also an interface to show me transactions and options to manage them. The backend should be Nodejs and MongoDB database for it. I attached a file which explain everything u need. Please read carefully and only if you have experience in this field, place a bide on this project and send me your convincing plan and technique details.

    $4287 (Avg Bid)
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    2 bids
    Build me crypto Token 6 days left
    VERIFIED

    Build me crypto token based on Binance smart chain

    $211 (Avg Bid)
    $211 Avg Bid
    3 bids

    Hello every one i need smart contract blockchain application below reff site :

    $1082 (Avg Bid)
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    5 bids

    This will be mobile game application which will do this 2 basic things. Tetris game of 2 players who are in the game logged in. Here are the basic functions that I want to have on this first stage. 1./ Account signup/login page 2./ Home page. This could show account name, wallet balance, game stats etc. 2./ One Playable game with 2 player mode 3./ A game wallet (not crypto yet) that can send and receive ‘gbp/usd’ when you win or lose. Once this basic MVP working good, then I will definitely keep going with the right freelance developer on this project. For interview process, there will be 3 questions that you are gonna cover on your proposal. 1. can you show me the 2 player mode Tetris game working for the signed users on your local device testing - if so, by when? 2. I...

    $43 - $357
    Sealed
    $43 - $357
    5 bids

    I need a BTCPay payment gateway for Bitcoin and crypto currencies integrated to my website. I already have a BTCPay Server, I just need the payment gateway integrated to my website. Thanks

    $46 (Avg Bid)
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    4 bids

    I want to build my own cryptocurrency. Who is willing to do the work?

    $466 (Avg Bid)
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    15 bids

    Hi before bid please check my needs: its a blockchain swap project i need a website which works like SWAP and read data from an exchange called how the website works : first the user should be able to connect to website XUMNM app (xumm is a ripple based wallet) second the user can swap between ripple based coins ( XRPL ) and for the last option the website have LOCK option,so the user can send the funds to the specific address and earn interest by locking his amounts you can use Ready codes and i dont need some thing very complex,all u have to do is know how to connect website with xumm and read user data balance and make inner exchange for hold its just an address and user can earn interest by sending money to the address i need full back end ,front end and everything together and ...

    $4373 (Avg Bid)
    Featured Urgent
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    14 bids

    This will be mobile game application which will do this 2 basic things. Tetris game of 2 players who are in the game logged in. Here are the basic functions that I want to have on this first stage. 1./ Account signup/login page 2./ Home page. This could show account name, wallet balance, game stats etc. 2./ One Playable game with 2 player mode 3./ A game wallet (not crypto yet) that can send and receive ‘gbp/usd’ when you win or lose. Once this basic MVP working good, then I will definitely keep going with the right freelance developer on this project. For interview process, there will be 3 questions that you are gonna cover on your proposal. 1. can you show me the 2 player mode Tetris game working for the signed users on your local device testing - if so, by when? 2. I...

    $134 (Avg Bid)
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    5 bids

    Need someone who has experience as a smart contract developer for the NFT games. Contact me for details?

    $300 (Avg Bid)
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    5 bids

    Just professionals metaverse game wanted,show me your last projects to check ur abilities and then we discuss about price and process user should be able buy and run in land and .. like other metaverse games +i will not accept any automatic BID

    $26710 (Avg Bid)
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    13 bids
    NFT Expert/ NFT Researcher 5 days left
    VERIFIED

    Needs to know what makes a good NFT project Need someone with knowledge of the NFT industry Need to understand NFT utility Need to understand Opensea and how to buy NFTs

    $10 / hr (Avg Bid)
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    16 bids
    HELIUM HOTSPOT 5 days left
    VERIFIED

    Implementation of Helium network hotspot

    $229 (Avg Bid)
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    5 bids
    pepper wallet -- 2 5 days left
    VERIFIED

    want a react native backend developer who will join our team and develop api. you will be responsible for just providing api for the the project. you shall be working on

    $1736 (Avg Bid)
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    20 bids

    We want to develop/buy a new crypto bot. It can be something you build or an automated system you are already using and it is working really nice. We will pay for any advice and would to hear your ideas and invest in them, and to share our team ideas, we have already clients willing to invest ! Let's catch up on a call

    $71 / hr (Avg Bid)
    $71 / hr Avg Bid
    6 bids

    This will be mobile game application which will do this 2 basic things. Tetris game of 2 players who are in the game logged in. Here are the basic functions that I want to have on this first stage. 1./ Account signup/login page 2./ Home page. This could show account name, wallet balance, game stats etc. 2./ One Playable game with 2 player mode 3./ A game wallet (not crypto yet) that can send and receive ‘gbp/usd’ when you win or lose. Once this basic MVP working good, then I will definitely keep going with the right freelance developer on this project. For interview process, there will be 3 questions that you are gonna cover on your proposal. 1. can you show me the 2 player mode Tetris game working for the signed users on your local device testing - if so, by when? 2. I...

    $43 - $357
    Sealed
    $43 - $357
    9 bids

    This will be mobile game application which will do this 2 basic things. Tetris game of 2 players who are in the game logged in. Here are the basic functions that I want to have on this first stage. 1./ Account signup/login page 2./ Home page. This could show account name, wallet balance, game stats etc. 2./ One Playable game with 2 player mode 3./ A game wallet (not crypto yet) that can send and receive ‘gbp/usd’ when you win or lose. Once this basic MVP working good, then I will definitely keep going with the right freelance developer on this project. For interview process, there will be 3 questions that you are gonna cover on your proposal. 1. can you show me the 2 player mode Tetris game working for the signed users on your local device testing - if so, by when? 2. I...

    $43 - $357
    Sealed
    $43 - $357
    8 bids

    Tron Smart contract and dapp devlopment for mlm company

    $897 (Avg Bid)
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    6 bids

    We want the software to do the below stuff: It should generate Fake BTC (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 -(Optional) -Transaction can get full confirmation - -Support all wallet - -Segwit and legacy address – -100% confirmed transaction - You can spend bitcoins easily on any other address (Segwit address, legacy, Segwit / bch32) - - it works with all wallets. - -Should be transferable like real btc. withdraw from exchange not necessary Can be transferable wallet to wallet more then 5 times minimum previous experience are welcomed

    $4204 (Avg Bid)
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    14 bids

    This will be mobile game application which will do this 2 basic things. Tetris game of 2 players who are in the game logged in. Here are the basic functions that I want to have on this first stage. 1./ Account signup/login page 2./ Home page. This could show account name, wallet balance, game stats etc. 2./ One Playable game with 2 player mode 3./ A game wallet (not crypto yet) that can send and receive ‘gbp/usd’ when you win or lose. Once this basic MVP working good, then I will definitely keep going with the right freelance developer on this project. For interview process, there will be 3 questions that you are gonna cover on your proposal. 1. can you show me the 2 player mode Tetris game working for the signed users on your local device testing - if so, by when? 2. I...

    $43 - $357
    Sealed
    $43 - $357
    4 bids

    This will be mobile game application which will do this 2 basic things. Tetris game of 2 players who are in the game logged in. Here are the basic functions that I want to have on this first stage. 1./ Account signup/login page 2./ Home page. This could show account name, wallet balance, game stats etc. 2./ One Playable game with 2 player mode 3./ A game wallet (not crypto yet) that can send and receive ‘gbp/usd’ when you win or lose. Once this basic MVP working good, then I will definitely keep going with the right freelance developer on this project. For interview process, there will be 3 questions that you are gonna cover on your proposal. 1. can you show me the 2 player mode Tetris game working for the signed users on your local device testing - if so, by when? 2. I...

    $179 (Avg Bid)
    $179 Avg Bid
    9 bids
    NFT and Cryptocurrency expert 4 days left
    VERIFIED

    We are looking to hire a NFT and cryptocurrency expert for long term project. The guy should have excellent skills and should be able to help with proof of concept with NFT, trades, tax, commissions and metamask wallet based authentication, inventory, updates and user information

    $1925 (Avg Bid)
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    36 bids

    This will be mobile game application which will do this 2 basic things. Tetris game of 2 players who are in the game logged in. Here are the basic functions that I want to have on this first stage. 1./ Account signup/login page 2./ Home page. This could show account name, wallet balance, game stats etc. 2./ One Playable game with 2 player mode 3./ A game wallet (not crypto yet) that can send and receive ‘gbp/usd’ when you win or lose. Once this basic MVP working good, then I will definitely keep going with the right freelance developer on this project. For interview process, there will be 3 questions that you are gonna cover on your proposal. 1. can you show me the 2 player mode Tetris game working for the signed users on your local device testing - if so, by when? 2. I...

    $43 - $357
    Sealed
    $43 - $357
    6 bids

    This will be mobile game application which will do this 2 basic things. Tetris game of 2 players who are in the game logged in. Here are the basic functions that I want to have on this first stage. 1./ Account signup/login page 2./ Home page. This could show account name, wallet balance, game stats etc. 2./ One Playable game with 2 player mode 3./ A game wallet (not crypto yet) that can send and receive ‘gbp/usd’ when you win or lose. Once this basic MVP working good, then I will definitely keep going with the right freelance developer on this project. For interview process, there will be 3 questions that you are gonna cover on your proposal. 1. can you show me the 2 player mode Tetris game working for the signed users on your local device testing - if so, by when? 2. I...

    $171 (Avg Bid)
    $171 Avg Bid
    7 bids
    Cryptocurrency user -- 2 4 days left
    VERIFIED

    I need leads of cryptocurrency users

    $36 (Avg Bid)
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    3 bids
    Cryptocurrency user 4 days left
    VERIFIED

    I need leads of cryptocurrency users

    $36 (Avg Bid)
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    5 bids
    Cryptocurrency Exchange App 4 days left
    VERIFIED

    We are looking for a centralised mobile crypto exchange app where a person could add fiat money (In Indian Rupees) and buy or sell any of the 10 crypto tokens (Etherium, Bitcoin, Stellar, Tether, Ripple, BAT, Litecoin, Polkadot, Dogecoin, ChainLink, Chiliz, Tron, Cardano, Uniswap, EOS, Vechain, Storj, Maker, Compound, Matic and Solana). Features Required -: 1. Real-time charting of coin prices 2. A simple dashboard 3. Adding and withdrawal of fiat currency(INR) 4. Highly secured wallet system 5. Alerts 6. KYC If you can make a dex app with Fiat on ramp then it will be a big plus Frontend: React Native or Flutter Backend: Whatever stack you are comfortable in Also please only apply if it’s comfortable for you to develop in the given budget

    $4124 (Avg Bid)
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    15 bids

    I have some requirement which looks like you can fulfil here, the requirement are pretty straight forward. I need an experience here to work on NFT marketplace minting engine and DEX. Am using the BSC network; a common place to operate. Hoping to hear from you all soon. Regards!

    $919 (Avg Bid)
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    24 bids

    Need to integrate an existing bot between Binance and Gate.Io. Bot feature: 1. Find new listing for token on Binance page 2. Place buy order in 3. Put trailing stop loss of 2% 4. Place sell order Iteration must be within 0.1-0.2 seconds I will provide the bot repo from github

    $249 (Avg Bid)
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    10 bids

    I need a programmer to turn my strategy into an automated process, connectable to binance, ftx ..

    $352 (Avg Bid)
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    12 bids

    a software that allows to send bitcoin fakes on the blockchain networks, bitcoins can stay in the wallet for at maximum 60 days before being rejected by blockchain and finally disappear into the wallet if you don’t have hash rate, but with hash rate that can stay for unlimited time. -Bitcoin core or blockchain keys options -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 -Can send maximum 100BTC -Transaction can get full confirmation -Support all wallet -Segwit and legacy address – 100% confirmed transaction -The transaction fee is “max”, ie “priority” for quick confirmati...

    $992 (Avg Bid)
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    8 bids

    Need Someone Who Can Provide USDT or BTC in Binance. No Upfront Payment. Only Bid If You Are Interested In Doing The Job First....... No Need To Share External Contacts Please Amount Will Vary From 500 to 5000 Dollars

    $14 - $43
    Sealed
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    2 bids

    Heey im looking for a bot developer who can help us do a bot for deriv and which we shall be selling to our users. we have over 800 users who already want a bot with high winning rate above 90% no matter the strategy. and make a decent profit of approx 10% per trade. We want the bot to be sold as a package to our users from our website where they sign up get all training materials and get to buy the bot. The bot to be subscription based and can only be used for one account

    $2108 (Avg Bid)
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    Hello! We are working on building a Social Media app on Blockchain technology. Posting the opening here to find someone from South India with whom we can understand the technology and work on implementing it to our app.

    $20 / hr (Avg Bid)
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    3 bids

    I am interested in starting to mine cryptocurrency and I require someone to guide me through the setup. My machine is HP Elite 8300 SFF Quad Core i7-3770 3.4GHz 16GB 256GB SSD + 1000GB HDD DVD WiFi Windows 10 Professional Desktop PC Computer. It will be dedicated to mining only. I want to set up the machine on the 6th Dec. I want to mine Eth, Zcash, Litecoin, and BTC or similar coins. I'm not sure the limit of the machine so perhaps only 2-3 coins could be achievable. I would prefer a package/GUI that allows me to monitor. Example Awesome Miner, BetterHash etc.

    $706 (Avg Bid)
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    We are having some troubles with the Wonderland dAPP contracts in a fork we are doing. The contracts are no different than wonderland, just the name changes. You MUST have experience with Wonderland or at least Olympus DAO contracts

    $71 / hr (Avg Bid)
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    Hi i need professional team to make a crypto currency wallet like XUMM wallet based on XRP/XRPL the wallet should have full functions like xumm sign up - give random numbers in sign up which use for recovery too - send and receive and store xrp and.. please first check the wallet and functions then post your offers i need you for both front-end and back-end and need your offers be reasonable NEED THIS for both IOS/Android thanks

    $4078 (Avg Bid)
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    40 bids

    We need our first lot of 120 NFTs uploaded into Opensea on the IPFS Create a website similar to weird whales NFT is needed for minting and sending to opensea - If you have no feedback you wont be selected

    $1978 (Avg Bid)
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    We are looking for a block chain developer that can help us debug Olympus DAO fork on AVAX. We are only looking for somebody with previous experience in Olympus DAO forks The project is launched, we are having issues with the minting and bonding contracts. Deadline is urgent.

    $64 / hr (Avg Bid)
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    I am looking for an engineer to build an ASIC crypto mining rig. Mining rigs are notorious for their inflated prices due to the demand and also value of the crypto currency they mine. I want to avoid that and set up a partnership of building my own ASIC rigs (would be looking at Ethereum, Bitcoin mainly). Anyone who applies has to have not just knowledge but also experience of: - Cryptocurrencies - Setting up mining rigs - Previously built mining rigs with proof of results - Has to be an engineer - Someone who can both source AND build the rig - Has experience working our profitability studies to show capital cost + ongoing costs and expected revenue etc. - Ability to not just build a rig but also program it and set it up If you feel you are up to it I am looking at building a long ter...

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    NDA
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    Similar to: Listing: Proven professional to provide a "complete" fully inclusive high-quality custom turnkey ICO token contract. (including website, roadmap, audit, whitepaper, social media, exchange listings etc) Bidders to provide concise details of what they have allowed for in their bid.

    $3607 (Avg Bid)
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    Crypto Tutor 2 days left
    VERIFIED

    I'm looking for someone who can answer my questions about crypto

    $24 / hr (Avg Bid)
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    10 bids

    I am needing some to create a crypto app with a nft marketplace I will also need you to integrate my coin into the app please only apply if you have had previous experience with similar work and can respect my budget

    $720 (Avg Bid)
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    $1750 Avg Bid
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    Trophy icon Set of 5 Spinning gold coins 2 days left

    Spinning gold coin one side writing: LOST CRYPTO NFT SPACE MISSION THE OTHER SIDE 1. DOGE DOG 2. BITCOIN 3 ETHERIUM 4 CARDANO 5 MATIC 6 BINANCE

    $80 (Avg Bid)
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    2 entries

    I need help to recover BTC from a Lighting Network Server

    $3710 (Avg Bid)
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    13 bids
    Cryptocurrency 2 days left

    We're looking for a cryptocurrency programmer, to build us a crypto erc20 token using ethereum blockchain.

    $856 (Avg Bid)
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    29 bids
    Bitcoin Mining Setup 1 day left
    VERIFIED

    I wan to setup info structure to mine coins. Need professional to guide me

    $190 (Avg Bid)
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    4 bids
    Proxy Shop 1 day left

    Hello, I am looking for someone who can code a proxy shop for me. I need it to be able to do following, Login/Register Check all proxies (multithreaded) and show online proxies in the shop, proxy servers need to be autoupdated in the table to not show offline proxies to customers. Admin panel with earnings, price by country and such information. Accept Bitcoin, Monero and other cryptocurrencies, I have an API for this.

    $403 - $1208
    Sealed NDA
    $403 - $1208
    8 bids
    Token Creation 1 day left

    I will An Crypto Token and Coin Expert My Brother and I, are willing to make a Cryptocurrency Ethereum ERC-20 Reward token, and if possible, BEP2 on BSC Binance Coin, for the purpose of rewarding and encouraging positive health activity of the users. We like to give the free tokens for reporting a positive effort. 1. What is our position with SEC? should we inform U.S Security and Exchange Commission (SEC), and other regulatory compliances for making a token or not? 2. We want to build a good token, as we may build our blockchain for it in the future. What is your idea and options for us? 3. Please explain us: how the price of this token will increase in time, IF we don’t sell it, and just gift it, AND if we want to sell it, how can we, and what you can do for us? 4. We need IOS an...

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