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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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    Details will be discussed in the message box

    $40226 (Avg Bid)
    $40226 Ср. заявка
    7 заявок(-ки)
    Bitcoin Lighting wallet -- 2 6 дней(-я) left

    I need bitcoin lightning wallet. 1. That can show RBF Bitcoin into balance just wallet Éclair mobile wallet. 2. Like “wallet of satoshi” there is not need to make Bitcoin Lighting channel. 3. Able to accept and show RBF bitcoin wallet and top of that able to send RBF bitcoin to other bitcoin lightning wallets or channels and other mobile should accept that. Only expert contact t...

    $1267 (Avg Bid)
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    7 заявок(-ки)
    Bitcoin lighting wallet 6 дней(-я) left

    I need Bitcoin Lightning wallet with some extra feautres.

    $1320 (Avg Bid)
    $1320 Ср. заявка
    11 заявок(-ки)

    Looking to hire someone willing to learn about blockchain data analysis and perform it for our company. This would be a full time role that would pay $2000/month. We will provide training materials to learn about the subject as part of the interview process. This role consist of doing blockchain analysis for different protocols (i.e. Ethereum, Polygon, Terra, Solana) and talking about insights on...

    $46500 (Avg Bid)
    $46500 Ср. заявка
    4 заявок(-ки)

    Freelancer, good day I need Decentralised Dapp which based on central controlling I have app design and features

    $2783 (Avg Bid)
    $2783 Ср. заявка
    20 заявок(-ки)

    Need Only Hot Leads - 3 days old max. 5000 Hot Leads from : France only Payment steps: - 20$ The rest after checking the leads are good and no false. Attached Xls temp file.

    $233 (Avg Bid)
    $233 Ср. заявка
    3 заявок(-ки)
    Decentralised Browser app 6 дней(-я) left

    Freelancer, good day I need Decentralised Dapp which based on central controlling I have app design and features

    $2656 (Avg Bid)
    $2656 Ср. заявка
    29 заявок(-ки)
    Decentralised app Development 6 дней(-я) left

    Freelancer, good day I need Decentralised Dapp which based on central controlling I have app design and features

    $2680 (Avg Bid)
    $2680 Ср. заявка
    32 заявок(-ки)
    Cryptocurrency Maestro (creator of next 100X coin) 3 дней(-я) left
    ПОДТВЕРЖДЕН

    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...

    $122 (Avg Bid)
    $122 Ср. заявка
    5 заявок(-ки)

    Help me in creating cryptocurrency. Reference: Ethereum, Bitcoin Only highly experienced and knowledgable candidates are preferred. DM me for a small casual interview over chat. Thanks in advance.

    $38 / hr (Avg Bid)
    $38 / hr Ср. заявка
    3 заявок(-ки)

    Help me in creating cryptocurrency. Reference: Ethereum, Bitcoin Only highly experienced and knowledgable candidates are preferred. DM me for a small casual interview over chat. Thanks in advance.

    $25 / hr (Avg Bid)
    $25 / hr Ср. заявка
    5 заявок(-ки)

    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 [войдите, чтобы посмотреть URL] talking with you and discuss your [войдите, чтобы посмотреть URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based compan...

    $2645 (Avg Bid)
    $2645 Ср. заявка
    6 заявок(-ки)
    GO RPC developer to modify code 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Hello looking for someone to modify code below to make buy and sell orders on axie infinity marketplace. Ronin chain is a sidechain of etherium This code: [войдите, чтобы посмотреть URL] More information [войдите, чтобы посмотреть URL]

    $123 (Avg Bid)
    $123 Ср. заявка
    5 заявок(-ки)
    Edits on smart contract Solidity 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I have a smart contract code on [войдите, чтобы посмотреть URL] Total purchase tax: 15% 7% in BNB for holders 5% for marketing 3% injected into liquidity. Sales tax: 20% 10% for holders 5% marketing 5% injected for liquidity With an option to change the buy and sell transaction fees for the launch, Total purchase tax: 15% 7% in BNB for holders 5% for marketing 3% injected into liquidity. Sales...

    $140 (Avg Bid)
    $140 Ср. заявка
    8 заявок(-ки)
    Create a cloud mining website . 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I want to hire a freelancer that can create a cloud mining website for me . All documentation information will be provided in chat . Here is a only tamplate for view like this . List for mining cryptocurrency coins . 1. Bitcoin 2. Ethereum 3. Ethereum Classic. 4. Bitcoin Cash 5. Litecoin 6. Dash 7. Tron 8. ADA 9. Dogecoin. 10. Shiba Inu 11. Monero 12. Digi Byte . 13. Binance USD . 14. Rip...

    $46 (Avg Bid)
    $46 Ср. заявка
    3 заявок(-ки)
    Build out a smart contract on BSC chain 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Build out a smart contract on BSC chain. Please do NOT bid on this project if you have never worked using solidity. More details (Functional Requirements) will be provided to the right bidder.

    $1158 (Avg Bid)
    Соглашение о неразглашении
    $1158 Ср. заявка
    21 заявок(-ки)
    P2P Cryptocurrency Payment Gateway Plugin 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Hi, i'm looking for a Crypto Expert developer who can develop a Wordpress Plugin or imbedded plugin that let users accept any BSC currency or ETH currencies such ALTcoins, mean the developer put currency contract and get paid in that currency to your dev wallet. Hit me up with previous work if anything similar to this ONLY !

    $348 (Avg Bid)
    $348 Ср. заявка
    13 заявок(-ки)
    Cryptocurrency expert needed 5 дней(-я) left
    ПОДТВЕРЖДЕН

    One of our clients is looking to create the next big altcoin and needs an expert or a team to guide, create and maintain this project. Please only bid if you have successfully completed a project and its trading on Coinbase and Binance. Please include successful projects links in your proposal and we will also need to be able to confirm this project with the owner. Please answer this question at...

    $1218 (Avg Bid)
    $1218 Ср. заявка
    25 заявок(-ки)
    Expert in Vanitygen address of bitcoin 5 дней(-я) left
    ПОДТВЕРЖДЕН

    open-source "[войдите, чтобы посмотреть URL]" Check attached screenshot for requirements

    $40 (Avg Bid)
    $40 Ср. заявка
    3 заявок(-ки)
    Create a crypto currency 5 дней(-я) left
    ПОДТВЕРЖДЕН

    Hello, I want to create a crypto token. looking someone experienced in the whole life cycle air drops minting cross platform solidity ICO Tokennomics

    $12 / hr (Avg Bid)
    $12 / hr Ср. заявка
    7 заявок(-ки)
    Do you know Vanitygen address of bitcoin? 5 дней(-я) left
    ПОДТВЕРЖДЕН

    I think it is comfortable to update some code of the open-source "[войдите, чтобы посмотреть URL]" ---------------------------------------------------- We are working with the split key function of Vanitygen. For creating split keys, Vanitygen needs the base public key in the command line which is taken from the base key pair which can be any private key/public key pair. Vanitygen then...

    $31 (Avg Bid)
    $31 Ср. заявка
    3 заявок(-ки)
    Need blockchain expert 5 дней(-я) left

    Hey, guys. We are looking for a blockchain expert who can develop a coin smiliar to storage coin - decentralized coin. Will share details via chat.

    $638 (Avg Bid)
    $638 Ср. заявка
    13 заявок(-ки)
    Buying Crypto coin for Wallet System(Xamarin app) 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I currently have an app works like Wallet. User add funds to their account. After that they show their QRcode at the restaurants and restaurants scan clients QRcode and deduct the price from clients account. But I have 1 problem: Whenever user adds money to their account, I am receiving money from them and adding money to their wallet. But when I receive money from them, my bank charges a fee and ...

    $1046 (Avg Bid)
    $1046 Ср. заявка
    22 заявок(-ки)

    I want copy trader for bybit exchange : Follower , follow master account % equity , % by ordre , cancel ordre etc

    $236 (Avg Bid)
    $236 Ср. заявка
    6 заявок(-ки)
    Airdrop our native token. 4 дней(-я) left

    Hello, This job is one simple task. Airdrop our defi natvive token to 6,1k users. We want to send the tokens and pay the BSC transfer fee needed for this. So we dont want Withdrawal button for users. Just direct send to list off adresses with amounts. If you can do this in 24hrs you are the right person for the job.

    $482 (Avg Bid)
    $482 Ср. заявка
    21 заявок(-ки)
    Proxy pool 4 дней(-я) left
    ПОДТВЕРЖДЕН

    Hi there I need an expert in proxy networking, Please reach me out to discuss more on the project for proxy mining pool experts only.

    $30 (Avg Bid)
    $30 Ср. заявка
    2 заявок(-ки)

    Hi, If you can help me create a mining pool like ethermine please contact me I would like to operate a mining pool that has these coins available: BTC. AE. BEAM. CFX. ERC. ETC. ETH. ZIL. FIRO. GRIN. MWC. RVN. VTC. Thank you

    $1819 (Avg Bid)
    $1819 Ср. заявка
    9 заявок(-ки)
    Create a Cryptotoken for a Sports Project 4 дней(-я) left
    ПОДТВЕРЖДЕН

    We want to create a sports token using either the Binance or Cardano platform.

    $254 (Avg Bid)
    $254 Ср. заявка
    9 заявок(-ки)

    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 [войдите, чтобы посмотреть URL] talking with you and discuss your [войдите, чтобы посмотреть URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based compan...

    $1083 (Avg Bid)
    $1083 Ср. заявка
    3 заявок(-ки)
    P2P crypto exchange platform 4 дней(-я) left
    ПОДТВЕРЖДЕН

    I'm looking for a developer to develop P2P crypto exchange platform. Let me know if you have such skill..

    $1564 (Avg Bid)
    $1564 Ср. заявка
    37 заявок(-ки)
    XRPL PROTOTYPE 3 дней(-я) left

    Create a prototype NFT marketplace on the following XRPL standards (any ONE of them can be chosen OR a combination of mixed protocols OR a fresh concept): [войдите, чтобы посмотреть URL] [войдите, чтобы посмотреть URL] [войдите, чтобы посмотреть URL] DELIVERABLES: NFT Minting button (front end action button with proof of ledger minting the token) NFT Transfer (front end action button with proof...

    $15 / hr (Avg Bid)
    $15 / hr Ср. заявка
    5 заявок(-ки)
    Blockchain Guru 3 дней(-я) left

    I will share the details in private message

    $638 (Avg Bid)
    $638 Ср. заявка
    13 заявок(-ки)
    Python trading bot 3 дней(-я) left
    ПОДТВЕРЖДЕН

    I need to design a training bot working with okex that open orders based on assets balances in portfolio, not indicators With a week of support after creating it

    $189 (Avg Bid)
    $189 Ср. заявка
    15 заявок(-ки)
    TRC-20 Stablecoin on Tron Network - like USDT 3 дней(-я) left
    ПОДТВЕРЖДЕН

    I need to develop a stablecoin like USDT (Tether) based on the Tron blockchain. I need full documentation and a contract of the token and see that the value is fixed on TronScan (the blockchain explorer of Tron).

    $789 (Avg Bid)
    $789 Ср. заявка
    17 заявок(-ки)
    token development 3 дней(-я) left

    i want to develop a token listed on bsc, but i want it to be on different chains send me proposal my budget is $2000

    $2300 (Avg Bid)
    $2300 Ср. заявка
    10 заявок(-ки)
    Peer to Peer ESCROW Trading website for CRYPTOCURRENCY 3 дней(-я) left
    ПОДТВЕРЖДЕН

    - 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 [войдите, чтобы посмотреть 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...

    $2410 (Avg Bid)
    $2410 Ср. заявка
    23 заявок(-ки)
    Coin Base Expert, to help me recover some unexpectedly lost $$ 3 дней(-я) left
    ПОДТВЕРЖДЕН

    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!

    $37 / hr (Avg Bid)
    $37 / hr Ср. заявка
    7 заявок(-ки)
    Criar Token ERC20 2 дней(-я) left
    ПОДТВЕРЖДЕН

    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.

    $494 (Avg Bid)
    $494 Ср. заявка
    9 заявок(-ки)

    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.

    $19 / hr (Avg Bid)
    $19 / hr Ср. заявка
    14 заявок(-ки)
    Lokking for NFT expert -- 2 2 дней(-я) left
    ПОДТВЕРЖДЕН

    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

    $16 / hr (Avg Bid)
    $16 / hr Ср. заявка
    14 заявок(-ки)
    Bitcoin Transaction Generator 2 дней(-я) left
    ПОДТВЕРЖДЕН

    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...

    $367 (Avg Bid)
    $367 Ср. заявка
    6 заявок(-ки)
    Custom bitcoin miners prototype with 5nm chip -- 4 2 дней(-я) left
    ПОДТВЕРЖДЕН

    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

    $672 (Avg Bid)
    $672 Ср. заявка
    9 заявок(-ки)
    list my items on eBay 2 дней(-я) left
    ПОДТВЕРЖДЕН

    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

    $112 (Avg Bid)
    $112 Ср. заявка
    13 заявок(-ки)
    Coin listing 1 день left

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

    $1500 (Avg Bid)
    $1500 Ср. заявка
    1 заявок(-ки)
    Custom bitcoin miners prototype with 5nm chip -- 2 1 день left
    ПОДТВЕРЖДЕН

    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

    $383 (Avg Bid)
    $383 Ср. заявка
    3 заявок(-ки)
    Custom bitcoin miners prototype with 5nm chip 1 день left
    ПОДТВЕРЖДЕН

    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

    $1531 (Avg Bid)
    $1531 Ср. заявка
    4 заявок(-ки)

    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...

    $588 (Avg Bid)
    $588 Ср. заявка
    3 заявок(-ки)

    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 [войдите, чтобы посмотреть URL] talking with you and discuss your [войдите, чтобы посмотреть URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based compan...

    $1362 (Avg Bid)
    $1362 Ср. заявка
    4 заявок(-ки)

    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 [войдите, чтобы посмотреть URL] talking with you and discuss your [войдите, чтобы посмотреть URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based compan...

    $1275 (Avg Bid)
    $1275 Ср. заявка
    5 заявок(-ки)

    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 [войдите, чтобы посмотреть URL] talking with you and discuss your [войдите, чтобы посмотреть URL] can only discuss the project after you have signed NDA and IP with us. The company is a UK based compan...

    $1630 (Avg Bid)
    $1630 Ср. заявка
    5 заявок(-ки)