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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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    65 jobs found, pricing in CAD

    I need an experienced blockchain architect ASAP to help me put together a plan to build the following: 1 – A standalone web based DEX and CEX Aggregator - Asset Swap Service with enhanced features, including two key differentials to the present-day standard: o Centralised Exchange Aggregator o FIAT Pairs of EURO and GBP (API to bank) 2 – A cryptocurrency wallet which integrates the a...

    $47 / hr (Avg Bid)
    $47 / hr Avg Bid
    7 bids

    Hello, If you are serious about the job, answer one hundred plus one hundred in your proposal. We have created an altcoin from Bitcoin and blockchain is up and running. Explorer, Mining pool , Ubuntu-walltet, etc. are running perfectly. But Windows wallet is giving error: ERROR: ReadRawBlockFromDisk: Read from block file failed If you have faced this issue, and you think you can resolve i...

    $10 - $26
    $10 - $26
    0 bids

    I wanto to Create a cryptocurrency and site of staking. -Step 1: Create COIN Token must have same feturead of CAKE and work on BSC network [login to view URL] -Step 2: Create a site We make a site copy of: [login to view URL] but with only 2 function: Exchanger: where you can convert other coin (BNB, BTC, ETH, USDT, ) in our COIN [login to view URL] And Pool: [login to view URL] where...

    $1584 (Avg Bid)
    $1584 Avg Bid
    10 bids

    I need someone who can analyse stock & crypto technical chart and all.

    $96 (Avg Bid)
    $96 Avg Bid
    1 bids

    In this video [login to view URL] we have an executable that should be available public somewhere. We know that it is probably a fake, but just need to find a link where to download it for free. We need this .exe. I have a Virtual Machine so do not try to scam me with your fake .exe file. Use this query to search [login to view URL] The software is called "bitgen fake bitcoin generator"...

    $95 (Avg Bid)
    $95 Avg Bid
    1 bids

    Hi. We are looking to setup our own 2 mining pools in Canada. Monero and Etherium. We are looking to hire a good developer who can do this on a turn key basis. And later maintain the pool if necessary. If you’re willing to be a part of our team in Canada then let us know your best presentation. The pools need to be setup from scratch, so no prior information needs to be provided by us. It&r...

    $26 - $215
    $26 - $215
    0 bids

    An app that can make payment for products with QR code.

    $1479 (Avg Bid)
    $1479 Avg Bid
    17 bids

    want cryptocurrency full stack

    $1794 (Avg Bid)
    $1794 Avg Bid
    9 bids
    Tron Token TRC20 5 days left

    Hello We need tron token trc20 based and api for that.

    $745 (Avg Bid)
    $745 Avg Bid
    3 bids

    I require blockchain experts to create a POC prototype for a blockchain project NFT marketplace with ERC 1155 Require POC with wireframes and designs included and functional, if possible. It needs to be created within a week. Deadline is priority. We will award the project to ones who will create POC and budget can be discussed.

    $1975 (Avg Bid)
    $1975 Avg Bid
    8 bids

    I need someone who can help us in developing a mobile application based on DeFi. everything would be initially done on ethereum blockchain only. you need to make decentralised exchange and some liquidity pool like Uniswap. also mobile application must have the wallet too, little bit like trust wallet I'll explain you more regarding this. basically you have to be a part of our team and work w...

    $1422 (Avg Bid)
    $1422 Avg Bid
    8 bids

    We are looking for the developer who has extensive experience in working with Pancakeswap frontend. Need to be able to implement the smart contracts to frontend successfully.

    $4890 (Avg Bid)
    $4890 Avg Bid
    2 bids
    ERC20 Token 5 days left
    VERIFIED

    Hello, We need ERC20 token development with stake reward.

    $530 (Avg Bid)
    $530 Avg Bid
    1 bids

    I need a custom ERC20 token created With the staking rewards? I would like an incentive for keeping their money in the ecosystem. Stakers of token X will recieve rewards in the form of interest paid in token X. At a rate of 10-20% APY. Owners of business would own 20-33% of tokens, 20-33% distributed for free or low incentive and 33-44%will be retained for staking rewards at a fixed rate. Tell m...

    $851 (Avg Bid)
    $851 Avg Bid
    3 bids

    Hey there, I need a custom ERC20 token with staking features With the staking rewards? I would like an incentive for keeping their money in the ecosystem. Stakers of token X will receive rewards in the form of interest paid in token X. At a rate of 10-20% APY. Owners of business would own 20-33% of tokens, 20-33% distributed for free or low incentive, and 33-44%will be retained for staking rewar...

    $38 - $315
    $38 - $315
    0 bids

    We need a Blockchain developer for very small POC. below is the project Requirement. First read and then apply for this POC development: We need a dAPP would act as light node connected with a full Ethereum node hosted in our environment that would be connected to public Blockchain using IPFC for document sharing.

    $206 (Avg Bid)
    $206 Avg Bid
    1 bids

    We are searching for a blockchain developer, but with a specialization in Solidity and web3. Knowledge and experience with NFTs is a big plus. Experience with creating trading bots is also preferred.

    $57 / hr (Avg Bid)
    $57 / hr Avg Bid
    21 bids
    Crypto and fin tech writer 4 days left
    VERIFIED

    Write crypto and stock news articles

    $74 (Avg Bid)
    $74 Avg Bid
    10 bids

    We are looking for an experienced developer for a DeFi application on Binance Smart Chain. We want to create a similar project to Goose Finance. What we need done is creating a fork of Goose Finance ([login to view URL]) along with the website and all the features like yield farming (with bnb, busd and our own token). An exact replica of the Goose Finance without the need to change anything wou...

    $2819 (Avg Bid)
    $2819 Avg Bid
    8 bids

    I need you to develop a BTG SPV client in Rust. It will be a smart contract which can verify deposit transactions (SPV) and can sign transactions to withdraw coins.

    $3786 - $6310
    $3786 - $6310
    0 bids
    SCOPE OF WORK 3 days left
    VERIFIED

    I need help to create an SOW for a future website development project i have in mind. I need to put my vision on paper and need assistance with that, everything in detail & the website idea is Crypto related so you would need to be knowledgable in this field, if you are please contact me and we can discuss a rate. thanks!

    $753 (Avg Bid)
    $753 Avg Bid
    7 bids

    Creating an online cryptocurrency miner for Ethereum & Bitcoin with specific demands

    $2936 (Avg Bid)
    $2936 Avg Bid
    11 bids

    I want to create a crypto currency using the erc20 blockchain. I also need user wallet for Android and iOS and desktop wallet for Linux, windows and Mac. Website and merchant app for retail stores and online sellers. Website can be Shopify, wallets can be templates without design and merchant app can also be a template with our design. This is a fairly easy project for someone who knows what the...

    $1956 (Avg Bid)
    $1956 Avg Bid
    10 bids
    Crypto Tab 3 days left

    Install Crypto Tab browser and start mining bitcoin.

    $10 / hr (Avg Bid)
    $10 / hr Avg Bid
    1 bids

    We are looking for an experienced developer for a DeFi application on Binance Smart Chain. We want to create a similar project to Goose Finance. What we need done is creating a fork of Goose Finance ([login to view URL]) along with the website and all the features like yield farming (with bnb, busd and our own token). The contracts are already available and can be shared. We require a dapp tha...

    $751 (Avg Bid)
    $751 Avg Bid
    10 bids

    I wanna build up my cryptocurrency website From scratch. Kindly send your proposal showing the requirements and what you will do for me with the price Thanks

    $549 (Avg Bid)
    $549 Avg Bid
    3 bids

    I need masternode Monitoring listing script it will get infos from back end and will show on front end. You can see here ex: [login to view URL], mnrank.com. If you dont know anything about masternode please dont bid

    $695 (Avg Bid)
    $695 Avg Bid
    6 bids

    I need a software that can send bitcoin to any chain and yet unconfirmed

    $38 - $315
    $38 - $315
    0 bids
    Tokenisation platform for STO 3 days left
    VERIFIED

    We are looking for a freelance who can help us with the deevelopment of a tokenisation plartform. The solution should allow the digitization of real estate assets through the use of Blockchain technology. Functionalities: In scope 1. Managing in a single platform all the documentation related to the asset 2. Tokenization of the asset to give it greater liquidity via smart contracts 3. User crea...

    $722 (Avg Bid)
    $722 Avg Bid
    7 bids

    Adapt the Exodus or Mycelium API to our token and enter it in UNISWAP. Find the other top 10 decentralized exchanges specializing in NFTs and add our token.

    $315 - $946
    Sealed
    $315 - $946
    6 bids
    Bitcoin RPC node 2 days left
    VERIFIED

    Include this in your bid or your bid will be ignored five plus five I need a development demo (meaning no UI/UX / no design / barebones) a website communicating with an external server which has the bitcoin node. Demo Website (meaning no UI/UX / no design / barebones) has register, deposit and withdrawal page. Each user has a unique deposit address. Upon receiving bitcoin to the deposit address ...

    $617 (Avg Bid)
    $617 Avg Bid
    5 bids

    Please don't submit a bid then ask what my budget is for the project. Your bid is my budget. What I need is the following. 1. Crypto currency on the ethereum blockchain. 2. Mobile wallet android and ios. 3. Desk top wallet Linux window and Mac. 4. Merchant app for retail and online shops. 5. Decentralised exchange listing. 6. Website for coin info and selling can be Shopify. Proof of stake ...

    $2606 (Avg Bid)
    $2606 Avg Bid
    15 bids

    I have a FX wallet for btc with a Craxid Delic report and need in to be interested to know its strength and test whether it has enough matrices for withdrawals. [login to view URL]

    $221 (Avg Bid)
    $221 Avg Bid
    2 bids

    Add Cryptocurrency(Bitcoin) on wallet in my website made in PHP.

    $52 (Avg Bid)
    $52 Avg Bid
    5 bids

    Hello I am interested in your services, But I am curious if you think you might be able to get this blockchain to work [login to view URL] I have allready installed yiimp ([login to view URL]) but I have no idea how to get the daemon to talk to the rpc server, no matter how I write the config for the node, nothing works. If you can help me figure this out I will gladly hire you. Thank you!

    $442 (Avg Bid)
    $442 Avg Bid
    3 bids

    Make a fork of pancake swap for staking Site of pancake swap: [login to view URL] Code of pancake swap: [login to view URL] [login to view URL] [login to view URL] you have to make a fork where: use put in staking: bnb, busd, usdt, eth. and receving as reward our token. or put in stake our token and receive other our token this fork can be make with open-source code. you only have to setup...

    $861 (Avg Bid)
    $861 Avg Bid
    5 bids

    Our server wrote 2 private keys from 2 btc wallets wrong. They got the same number of characters and start both with the same character 'y'. The script in the attachment made the btc wallet number with private key, as you can see had to be updated sooner. btc key: 178ukYnmXtfDrVvBGBqvRss9msMuZmYfFc private key: ygDx2pqAamuuyCZE5bV3GStik5ZWiioPwiHyFm6FWPmjq4tUv Solve this one and get ...

    $5048 (Avg Bid)
    $5048 Avg Bid
    1 bids

    Add Cryptocurrency(Bitcoin) on wallet in my website made in PHP.

    $40 (Avg Bid)
    $40 Avg Bid
    3 bids

    Add Cryptocurrency(Bitcoin) on wallet in my website.

    $23 (Avg Bid)
    $23 Avg Bid
    6 bids

    Hello i need someone or a team to make Web3 wallet on Tron network for chrome and firefox

    $1629 (Avg Bid)
    $1629 Avg Bid
    12 bids

    FlareNetworks is brining smart contracts and DeFi to the XRP Ledger and we'd like to be a part of it as a Flare Time Series Oracle Signal Provider as well as hosting an XRPL Validator. This will be ongoing work on launching new products, and even utilizing Ava Labs AVAX Network to launch decentralized finance applications on to FlareNetworks. This will include building front-end as well as b...

    $56 / hr (Avg Bid)
    $56 / hr Avg Bid
    18 bids
    Bitcoin miner 1 day left
    VERIFIED

    Bit coins miner prototype required for 1 ph/s

    $18929 (Avg Bid)
    $18929 Avg Bid
    4 bids

    wyretrade is seeking a team of blockchain developers who can developed a non custodial decentralized exchange to exchange ETH and different ERC20 tokens instantly – no waiting and no registration needed. users will simply connect their wallets and swap their tokens instantly while wyretoken a native asset of wyretrade is used as a gas fees in the network. thanks

    $3166 (Avg Bid)
    $3166 Avg Bid
    35 bids
    social media marketer 1 day left
    VERIFIED

    Top UK based agency requires a social media marketer No copy/paste applications will be considered Job Requirements: - Excellent English only with fabulous grammar and high attention to detail - Proven experience in SMM of at least 5 years - Understanding of cryptocurrency terms and concepts - Excellent communication skills & ability to work productively and efficiently - Which tools do you ...

    $21 / hr (Avg Bid)
    $21 / hr Avg Bid
    25 bids
    ERC20 Token 1 day left

    Hello i looking for someone who can create a token as erc20

    $1310 (Avg Bid)
    $1310 Avg Bid
    18 bids

    Looking to hire experienced smart contract developers who can work with the binance smart chain. Will be working on a NFT based platform. Please only APPLY if you have experience.

    $3846 (Avg Bid)
    $3846 Avg Bid
    12 bids

    I need a prototype for a system which uses Proof of Authority - AURA(Authority Round) to implement E-voting. A simple prototype and 4-5 graphs to discuss its performance.

    $177 (Avg Bid)
    $177 Avg Bid
    1 bids

    Need Computer Engineers and IT Engineers to build a "Mining_282.024.157.022-binance_server.com-3333-P" for me.

    $38 - $315
    $38 - $315
    0 bids

    Need expert React Native + node.js developer with 2-3 years experience on an hourly basis to complete an app that is almost finished. You must have experience with 1. Managing Bitcoin non-custodial wallets 2. Show notification upon receiving BTC in wallet You must be ready to: 1. Show your previous experience which is relevant 2. Work online using screen sharing If you do not have previous str...

    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    4 bids

    I have a FX wallet for btc with a Craxid Delic report and need in to be interested to know its strength and test whether it has enough matrices for withdrawals. [login to view URL]

    $420 (Avg Bid)
    $420 Avg Bid
    1 bids

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