Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.

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    We need to build a DeFi platform which will require smart contract advance coding in solidity and a UI building on top of it to build a functional Dapps running on Ethereum blockchain. 1. Apps interacting with Ethereum blockchain for KYT(know your transactions), able to top up with various payment methods including crypto and fiats including e-wallets. Able to send and receive between wallets, f...

    €1472 (Avg Bid)
    €1472 Ortalama Teklif
    28 teklifler

    Blockchain project involving fork, mining, masternodes and staking

    €505 (Avg Bid)
    €505 Ortalama Teklif
    16 teklifler

    We are looking to hire a Fulltime Freelancer who has got experience into:- 1. EoS Smart Contracts 2. Tron Dapp 3. ETH Smart Contracts Mention ag268 while applying. Thanks

    €1313 - €2626
    Mühürlü
    €1313 - €2626
    3 teklifler

    Looking for a writer with knowledge and experience of writing about bitcoin, cryptocurrency, and blockchain niches. Without experience and sample please don't apply. In your application please include your rate per 100 words, availability and experience.

    €254 (Avg Bid)
    €254 Ortalama Teklif
    40 teklifler

    Note: Please apply only if you reside in Colombia Remitano: One of the largest peer-to-peer (p2p) cryptocurrency trading platforms in the world, currently serving users in more than 30 countries. The platform provides an escrowed p2p crypto marketplace allowing users to buy, sell and swap crypto and fiat easily and safely. Remitano is a market leader in the p2p platform space, featuring an intuit...

    €299 (Avg Bid)
    €299 Ortalama Teklif
    6 teklifler

    Need easiest website to buy btc from instantly

    €247 (Avg Bid)
    €247 Ortalama Teklif
    4 teklifler

    I need a personal assistant to handle mini administrative duties. Working is remote and flexible, ideal candidate is a fast learner and hard worker

    €23 / hr (Avg Bid)
    €23 / hr Ortalama Teklif
    59 teklifler

    I’m looking to create a application similar to the upcoming app called ShareRing which will have vendor options . Using transaction made through my own crypto currency to liquidate the assets . This is a serious project

    €2303 (Avg Bid)
    €2303 Ortalama Teklif
    38 teklifler

    I need you to develop some software for me. I would like this software to be developed. Thank you for taking time to read our job post. We are a tech company located in NY, we are excited about blockchain and the different things blockchain can do for us. We want to hire a full time developer to help us create, manage and deploy smart contracts. We have a few samples of smart contracts we like an...

    €833 (Avg Bid)
    €833 Ortalama Teklif
    8 teklifler

    I need you to develop some software for me. I would like this software to be developed. Inbox me I will share details what kind of ETH Smart Contract Base software.

    €1114 (Avg Bid)
    €1114 Ortalama Teklif
    3 teklifler

    we have a solidity contract written in tron blockchain our smart contract is ready we want a simple website like [URL'yi görüntülemek için giriş yapın] that the website integrating our deployed smart contract with tronweb js library the website connects to tronlink wallet extention and connect to our smart contract and show the unique referal links and show transactions...

    €526 (Avg Bid)
    €526 Ortalama Teklif
    19 teklifler

    I have an innovative masternode tiered coin. The existing dev has become unresponsive and I need an initial assessment made of the code base for a few enhancements to be made. You need strong C++ background, experience in Proof of Stake Coins, tired structure and especially Sporks since we use sporks. The initial assessment requires an analysis of the code and identification of a problem we are cu...

    €204 (Avg Bid)
    Gizlilik Anlaşması
    €204 Ortalama Teklif
    3 teklifler

    I need an ultra comprehensive and complex application with deposits/withdraws, casino functionality, chats, video chats, social networking. You will need to build back-end, C++ back-end with smart contracts, android and ios mobile apps as well as website.

    €3 / hr (Avg Bid)
    €3 / hr Ortalama Teklif
    4 teklifler

    For a started Project (crypto collectible) [URL'yi görüntülemek için giriş yapın] we need to fix the custom payment with oracle. Seems this part inside the contract is broken or it is not working.

    €138 (Avg Bid)
    €138 Ortalama Teklif
    4 teklifler

    I need a preliminary analysis on the best approach to build a web app that takes a document from the user and save this document (original, updates and versioning) on secure blockchain repository. The web app accepts pdf files only and save them for later retrieval (after one year or many years). Users who saved their files can retrieve them and update them also using their accounts. I need a bl...

    €345 (Avg Bid)
    €345 Ortalama Teklif
    6 teklifler

    Need a local support worker for our business to help buy locally in country

    €67 (Avg Bid)
    €67 Ortalama Teklif
    3 teklifler

    I want a blockchain based solution to lease images and videos to people or companies, using smart contracts to prevent the data from being copied or used outside the agreement.

    €742 (Avg Bid)
    €742 Ortalama Teklif
    16 teklifler

    I want to lease particular images or videos to people or companies. I need images to be cleared of metadata, and to make sure that the images are not copied or used outside conditions of a contract.

    €740 (Avg Bid)
    €740 Ortalama Teklif
    10 teklifler

    elaboración de Smart Contract de Ethereum, Eos, Tron con conocimiento suficiente en blockchain para desarrollara varios Smart Contract

    €3683 (Avg Bid)
    Gizlilik Anlaşması
    €3683 Ortalama Teklif
    17 teklifler

    Home based part time job available?work at your convenience time to earn extra income?if any one interested ping me??one time investment for buying slot RS 1800 which shows in our wallet??if need more details check the website [URL'yi görüntülemek için giriş yapın] Or YouTube videos also available 98417 53279 #Forsage #ethereum #cryptocurrency #blockchain

    €15 - €29 / hr
    €15 - €29 / hr
    0 teklifler

    Need a blockchain expert. Should be fluent in English

    €385 (Avg Bid)
    €385 Ortalama Teklif
    7 teklifler
    scratch project 3 gün left

    A project Name is a form of identification for scratch projects that is easy for people to understand. To the scratch servers, project are identified by number; each project has a unique number associated with it.

    €10 / hr (Avg Bid)
    €10 / hr Ortalama Teklif
    6 teklifler

    You need to pm me for info. I need a graphics, game and a UI designer.

    €841 (Avg Bid)
    €841 Ortalama Teklif
    26 teklifler
    USDT cryptocurrency 3 gün left
    ONAYLI

    I am trying to extract USDT cryptocurrency from a known address and send this amount to an exchange wallet. I accidentally inputted the incorrect address. The original transaction was intended to send this USDT cryptocurrency from Binance US to Eterbase!

    €748 (Avg Bid)
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    4 teklifler

    Forsage ,voomo etc like Script a complete ready to launch smart contract MLM script needed, which has all the Matrix scehme features like forsage. By using this script, one can start a next gen cryptocurrency MLM business model with 100% automated and decentrtalized features. The script have to comes with the customization of default smart contract, profit table, binary matrix, and the entire sy...

    €582 (Avg Bid)
    €582 Ortalama Teklif
    1 teklifler

    We need a direct Bitcoin payment gateway that will not use any 3rd party applications (other than Bitcoin itself). Requirements: - Calculate specific BTC price based on fixed USD price every time there's a new payment. - Create new address for each payment and then forward all payments to one wallet. - Display QR code on the payment page. - Automatically check when payment is received and se...

    €969 (Avg Bid)
    €969 Ortalama Teklif
    6 teklifler

    Similar to [URL'yi görüntülemek için giriş yapın] and [URL'yi görüntülemek için giriş yapın] but there will be less pages and payment method, also i will design UI you need to follow UI design

    €3878 (Avg Bid)
    €3878 Ortalama Teklif
    19 teklifler

    This website will have: - Game (game + relevant Admin Panel data + provably fair) - Deposit and withdraw (Bitcoin + Welcome Bonus) - Affiliates (Invite users for % of commission with affiliate code/link) - Level up (levels up the user and users receive rewards) - Chat (including moderators) - etc Message me for more information including document with the features + requirements, images ...

    €2261 (Avg Bid)
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    13 teklifler

    looking for a free lancer who can teach block chain

    €23 / hr (Avg Bid)
    €23 / hr Ortalama Teklif
    4 teklifler

    Hi, we search someone who can do security module in a blockchain based system. You can use ethereum source code. For transactions

    €4267 (Avg Bid)
    €4267 Ortalama Teklif
    19 teklifler

    Previous experience working with ChainLink Oracle is imperative. Please send details about oracle work you have done in the past with your bid.

    €1101 (Avg Bid)
    €1101 Ortalama Teklif
    3 teklifler
    Idea Auctioneer 2 gün left

    We are currently developing a Project (Blockchain based marketplace) that is directly linked with Intellectual property protection and Blockchain dev. We are currently searching for a Blockchain Expert (Hyperledger Expert) that could either build a IP Protection through blockchain for us (based on Development environment and Hyperledger). Or for a Blockchain expert that could be a consultant to ...

    €4159 (Avg Bid)
    €4159 Ortalama Teklif
    33 teklifler

    I want website that people can buy and sell bitcoin for example like cardcoins..co

    €481 (Avg Bid)
    €481 Ortalama Teklif
    16 teklifler

    Hi guys, i want build website that people will be able to buy and sell bitcoin with me manually Something similar to this one [URL'yi görüntülemek için giriş yapın]

    €462 (Avg Bid)
    €462 Ortalama Teklif
    16 teklifler

    I'm seeking funding for a new project and don't have time to complete a 6-10page pitch deck, I need some quick market research on :Crypto being used as ecommerce I need some nice design work on screenshots Some financial projection (not a full P&L -forecast) just the TAM and opportunity I don't expect this to be a big job, the right candidate will have this information to hand...

    €175 (Avg Bid)
    €175 Ortalama Teklif
    31 teklifler

    I need you to help build a blockchain based system where artists can certify their work on the blockchain. They should be able to transfer the work to others who are added to the blockchain. and original artists should get notified each time work is transferred

    €1236 (Avg Bid)
    €1236 Ortalama Teklif
    16 teklifler

    I'm going to modify iquidus explorer. I want to add 2 pages for my coin explorer like the following. [URL'yi görüntülemek için giriş yapın] [URL'yi görüntülemek için giriş yapın] The developer should know the pivx proposal system and iquidus block explorer. *** Please write "Pivx Proposla Iquidus Explorer" on the top of your...

    €18 / hr (Avg Bid)
    €18 / hr Ortalama Teklif
    18 teklifler
    Trophy icon logo creation 1 gün left

    Development of a new fintech (financial start-up/ bank) focused on: - Financial products for companies in the trade fair sector: Loans, Applications, Credit...; - Bank products for individuals : account / Debit and Credit Card ... - Fundraising for special projects; - Solutions and Services for Mergers and accquisitions; - venture capital structure (bank specializing in credit fo...

    €44 (Avg Bid)
    €44
    108 girdi

    We are after a system that will be able to securly store our college's graduate certificates on a blockchain and also allows other third parties to verify authenticity of these certificates.

    €1152 (Avg Bid)
    €1152 Ortalama Teklif
    10 teklifler

    I would like to create a dex preferable fork of the Etherdelta or forkdelta. but it need to be a new exchange in my server

    €203 (Avg Bid)
    €203 Ortalama Teklif
    3 teklifler

    We are looking "Delhi NCR based IT Company", for AI, Odoo, Blockchain and VR/AR/MR project, who has strong portfolio of USA client. Company's who are interested please contact for work details.

    €34363 (Avg Bid)
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    14 teklifler

    I just want to talk to a track & trace blockchain specialist We are looking for a consulting partner, Our project is in progress, our project manager is from New Delhi, India. We are specialists in blockchain anchors, and we want to shorten the path to Track & Trace. We want to do the tracking by QRcode (via APP) will be sent to Gelocation and anchored in the Blockchain together with H...

    €18 (Avg Bid)
    €18 Ortalama Teklif
    4 teklifler
    Blockchain 19 saat left

    I need a blockchain developer for my project

    €13 / hr (Avg Bid)
    €13 / hr Ortalama Teklif
    17 teklifler
    BlockExplorer Developer -- 2 14 saat left
    ONAYLI

    I'm going to modify iquidus explorer. I want to add 2 pages for my coin explorer like the following. [URL'yi görüntülemek için giriş yapın] [URL'yi görüntülemek için giriş yapın] The developer should know the pivx proposal system and iquidus block explorer. *** Please write "Pivx Proposla Iquidus Explorer" on the top of your...

    €545 (Avg Bid)
    €545 Ortalama Teklif
    5 teklifler

    I need an ERC20 token created, with a matching wallet app, that has the ability to stake the token for rewards. The wallet app must contain 5 of the top crypto currencies, with a simple buy/sell function, along with having the token you will create. The coin that will be created needs to be able to be "staked" on the wallet, so that users can gain rewards for holding a balance. The...

    €1158 (Avg Bid)
    €1158 Ortalama Teklif
    18 teklifler

    Thank you for taking time to read our job post. We are a tech company located in NY, we are excited about blockchain and the different things blockchain can do for us. We want to hire a full time developer to help us create, manage and deploy smart contracts. We have a few samples of smart contracts we like and whats awesome is, its all open source so its simple to R&D if you have the experien...

    €22 - €44 / hr
    Mühürlü
    €22 - €44 / hr
    22 teklifler

    We need a Landing Page with the Dash Wallet ( [URL'yi görüntülemek için giriş yapın]) integrated for payments in Dash Cryptocurrency to be made directly on the page.

    €451 (Avg Bid)
    €451 Ortalama Teklif
    19 teklifler

    Önde Gelen Blockchain Topluluk Makaleleri