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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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    90 trabalhos encontrados, preços em EUR

    Hello we need a script or method to check address's in bulk using bitcoin-core in Offline mode using rpc script should be in php py or any way that could scan bulk address and save the result in text file

    €23 / hr (Avg Bid)
    €23 / hr Média
    14 ofertas

    I want to create a smart token that has a complete set of features like reflection, auto burn, add liquidity, transferring to a specific charity wallet, anti-whale etc. I will discuss the details with proper candidate.

    €32 / hr (Avg Bid)
    €32 / hr Média
    22 ofertas

    Create an ETH token and create a wallet for the tokens. I already have the idea, need someone to turn that in something real. I will need guidance from the freelancer.

    €25 (Avg Bid)
    €25 Média
    1 ofertas

    Hello i would like whoever takes this gig to fork a smart contract and tailor it to my needs and launch it on the binance smart chain. You will need to annotate each step of the way and keep in contact [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions] to tell me what you are doing, how the smart contract works, help me launch it at on the smart c...

    €612 (Avg Bid)
    €612 Média
    19 ofertas

    We Need A Blockchain Dev that can fork a project and add extra features BID ONLY IF YOU LIVE IN LUCKNOW INDIA

    €623 (Avg Bid)
    €623 Média
    3 ofertas

    Hi, I have a strategy which i would like to translate into automated trading via tradingview pine script. The strategy has to be linked with the Bybit platform and should run automatically.

    €118 (Avg Bid)
    €118 Média
    6 ofertas
    NFT Marketplace 6 dias left
    VERIFICADO

    I need someone to help create NFT Marketplace something like Opensea, smart contracts on the BSC Network

    €2778 (Avg Bid)
    €2778 Média
    11 ofertas
    POC for Cold Wallet Crypto DApp 6 dias left
    VERIFICADO

    We are looking to develop a cold wallet DApp (Decentralised App) that works with NFC tags. Basically the NFC tag would store the data of public and private keys and with an authentication from the app (if Client ID matches with account and NFC tag) with the NFC tag will allow private key to be ready for transaction such as sending and receiving. As of now we are only looking to do for Bitcoin D...

    €1744 (Avg Bid)
    €1744 Média
    27 ofertas
    Coding and Crypto Consultation 6 dias left
    VERIFICADO

    Very short term project for coding and crypto expert. I need help from a coder and crypto expert who can vet advice and perspective I've been given. I need an expert and I'm willing to pay. In reality I believe this is an hour or two hour job so something someone could fit into their day. It involves website scripts, source code, blockchain tokens. I need this ASAP. Essentially, I hav...

    €42 / hr (Avg Bid)
    €42 / hr Média
    3 ofertas
    Cryptocurrency wallet iOS App 6 dias left
    VERIFICADO

    looking for a developer to build an iOS cryptocurrency wallet app (and later convert to android) the app functions as an escrow wallet, meaning: - buyer transfers crypto from their own wallet into the app escrow wallet (this is the "deposit") - seller can check that cryptocurrency has been received (then seller can send the product by mail) - when buyer receives product, all parties can...

    €197 (Avg Bid)
    €197 Média
    16 ofertas
    Creacion de Criptomoneda 6 dias left
    VERIFICADO

    Similar a Cardano, con un wallet propio.

    €1424 (Avg Bid)
    €1424 Média
    15 ofertas

    bridge erc20 to binance smart chain for use on pancakeswap

    €163 (Avg Bid)
    €163 Média
    9 ofertas

    I want to bridge and new erc-20 token to binance smart chain need this to list on pancakeswap

    €134 (Avg Bid)
    €134 Média
    2 ofertas
    ICO Marketing Team Needed 5 dias left
    VERIFICADO

    Hello Freelancers, We are in need of a marketing expert or team who can help market our upcoming cryptocurrency project to one of the biggest and most engaging communities on social media. We need people with expertise in: - Cryptocurrency - Facebook Ads - Instagram - Reddit - Twitter - Telegram - Medium - Video Advertising - Graphic Design/Advertising This would be a gig that lasts through Nov...

    €956 (Avg Bid)
    €956 Média
    24 ofertas

    Crpyto Tokenomics Expert Looking for someone who is able to launch tokens on BNB and on ETH.

    €48 (Avg Bid)
    €48 Média
    8 ofertas

    I need instant crypto to paypal exchange or other methods, so that members can exchange directly their crypot, in automatic mode. something like this [fazer login para ver a URL]

    €1895 (Avg Bid)
    €1895 Média
    22 ofertas
    NFT ecosystem 5 dias left

    This project is centred on the NFT concept. SCOPE: - Build an NFT ecosystem that allows user to purchase and hold on-platform and on-wallet various NFTs. More than happy to go over all the details with the freelancers I select. Thank you for bidding.

    €741 (Avg Bid)
    €741 Média
    9 ofertas

    I want to developer to create NFT Market Place with TRC721. TRC721 is the standard on building in Tron Blockchain. Freelancer create token on using TRC721. I have developed already NFT market place Frontend. so he must connect with new token and run on flow platform. Before bid my proposal, write "TRC721 NFT" first. Plz feel free to bid my project.

    €210 - €630
    Secreto
    €210 - €630
    4 ofertas
    trading bot 5 dias left

    Pine script required for a bot which can do spot long trade only. Bot must satisfy the strategy with atleast 2years back testing data. Bot function: scan market open and close trade,monitor profits. Trade must cater 2 primary and secondary indicator

    €2046 (Avg Bid)
    €2046 Média
    4 ofertas

    Helo we need developer who already build the ethercrsh we need that. We have to do on smart contract.

    €17 - €143
    €17 - €143
    0 ofertas

    I have a crypto airdrop related youtube channel Can you monetize my youtube channel?

    €34 (Avg Bid)
    €34 Média
    9 ofertas

    Hi please I need a cryptocurrency wallet like Luno app that can send and receive cryptocurrency but buy from admin,and can also accept credit cards. You can send me message let talk business or if you have a already made custom for this let talk. Thanks in advance

    €420 (Avg Bid)
    €420 Média
    3 ofertas

    Kindly if you are Freelancer Developer then only Bid "Don't place bid Company"

    €8 - €630
    Secreto ADC
    €8 - €630
    5 ofertas
    Cybercurrency 5 dias left
    VERIFICADO

    Am trying to find a company that 1. Has experience in creating a new cybercurrency for listing on an exchange AND secondly the setup of that currency/token on an exchange....

    €32 / hr (Avg Bid)
    €32 / hr Média
    12 ofertas

    I am looking for a very good coder to create a website where i can sell my new cryptocurrency. the token i am going to sell is an ERC20 based token. more details will be provided after bidding... the main function is to implement a function like: function selling ( owner_address, buyer_address, amount, error) .. please only bid if you have created websites like that. Thank you

    €241 (Avg Bid)
    €241 Média
    17 ofertas

    I want a professional trader If you are unprofessional, please do not bid

    €377 (Avg Bid)
    €377 Média
    12 ofertas

    Storing data in blockchain anonymus. Developments using blockchain to secure IoT/industrial Internet applications. Blockchain technology is used to securely store a payload, like sensor data from a vast number of sensor nodes.

    €538 (Avg Bid)
    €538 Média
    11 ofertas

    I need professional for mining setup A to Z

    €2864 (Avg Bid)
    €2864 Média
    1 ofertas

    Hi, I have an online btc game. its needs hot wallets added to it so that players get their deposits and withdraws quickly. Please only apply for this if you have extensive knowledge on this subject, I need it done quickly and clean.

    €200 (Avg Bid)
    €200 Média
    5 ofertas

    Want a simple platform where people can exchange bitcoin and altcoins. No need for fiat.

    €590 (Avg Bid)
    €590 Média
    18 ofertas
    coin development 3 dias left

    I need a blockchain developer to develop coin similar to doge coin with full requirement

    €154 (Avg Bid)
    €154 Média
    8 ofertas

    need to add a small function to existing token smart contract

    €200 (Avg Bid)
    €200 Média
    2 ofertas

    need to add a small function to existing token smart contract

    €307 (Avg Bid)
    €307 Média
    9 ofertas

    need to add a function to existing trc20 token contract that enables token transfer to multiple addresses at once

    €137 (Avg Bid)
    €137 Média
    1 ofertas

    looking for a few pros to Shill online to get more people as members to our telegram account. We have a crypto coin which we are promoting and need new members to our group. Will need you to do the following: - post on crypto related boards on Reddit - comment on crypto posts on Reddit - comment on large Twitter accounts promoting the coin - make posts in crypto telegram groups - post in crypto...

    €92 (Avg Bid)
    €92 Média
    12 ofertas

    I am looking for someone that will interested to help me work on my blockchain smart contract

    €436 (Avg Bid)
    €436 Média
    18 ofertas

    add one more function to trc20 token contract code that enables transfer of tokens to multiple addresses

    €17 - €143
    €17 - €143
    0 ofertas

    need to modify existing trc20 token contract and redeploy

    €17 - €143
    €17 - €143
    0 ofertas

    add one more function to trc20 token contract code that enables transfer of tokens to multiple addresses

    €80 (Avg Bid)
    €80 Média
    1 ofertas

    need to modify existing trc20 token contract and redeploy

    €80 (Avg Bid)
    €80 Média
    1 ofertas

    I'm looking for Token Bridge Expert with over 1 years on Smart Contract. If you have good experience in this field, Hit me up please.

    €2631 (Avg Bid)
    €2631 Média
    11 ofertas

    We are a company that works in the cryptocurrency environment, We successfully raised money from the public, we are now looking for salesmen to help us to push our project with the institutional. We have a deck and a fill with more than 800 investors that we need get in touch with.

    €10171 (Avg Bid)
    €10171 Média
    1 ofertas

    Monnfts is a creator-centric NFT marketplace on BSC Blockchain and issuance platform that utilizes the Monster token (MON) to empower users who actively interact with the protocol. Token contract: 0xac4c090b32533d13281c681fd1ebf740cd5718ff Detail Design for the project: [fazer login para ver a URL] 1. Creators: On Mint and Selling NFT The Creators space helps the original artist to display their ...

    €2175 (Avg Bid)
    €2175 Média
    25 ofertas

    Helo we need developer who already build the ethercrsh we need that. We have to do on smart contract.

    €4297 (Avg Bid)
    €4297 Média
    1 ofertas
    I need a coder 3 dias left
    VERIFICADO

    I want to launch my own cryptocurrency and need people for that.

    €3439 (Avg Bid)
    €3439 Média
    11 ofertas

    We need to redesign our contract for BEP20 token to make it a smart [fazer login para ver a URL] need to customze many settings. Some considerations [fazer login para ver a URL] release for certain address [fazer login para ver a URL] rule [fazer login para ver a URL] to prevent dumping [fazer login para ver a URL] distribution of tokens to certain address [fazer login para ver a URL] function a...

    €249 (Avg Bid)
    €249 Média
    6 ofertas
    NFT Market place creation 3 dias left
    VERIFICADO

    We would like to create NFT market place based on BSC chain where user's can create NFT for their art or digital content and sell them. Platform very similar to opensea or rarible but on BSC network.

    €3526 (Avg Bid)
    €3526 Média
    6 ofertas

    I need to develop a crypto coin with its own custom blockchain. I also want to use a Proof-of-Stake consensus. Our goal is to develop a blockchain that is self-funding this can be done by having a portion of the block rewards sent to a treasury wallet. We also want stakeholders to be able to vote on how the treasury is spent. I am also hoping to implement a charity deposit from the block rewards a...

    €4329 (Avg Bid)
    €4329 Média
    13 ofertas

    Artigos da Comunidade dos Principais Bitcoin