Kriptografi İşler ve Yarışmalar

Cryptography is the study of hiding information. It intersects the disciplines of engineering, computer science and mathematics. Cryptography is involved in securing passwords, access to sensitive material and to computer systems. If your business needs help with cryptography, you can hire freelance cryptography experts to fulfill your tasks. Start by posting your cryptography task today!
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Freelancer'da İşlere Göz Atın

Proje/Yarışma Tanım Tekilfler/Girdiler Beceriler Başlangıç Bitiş Fiyat (EUR)
Build Bitcoin online Wallet Build Bitcoin online Wallet In php .. 18 PHP, Kriptografi, Bitcoin Feb 21, 2018 Bugün6g 22s €4765
Looking for mining experts Looking for someone with working knowledge of mining software and configuration of rigs. 3 Kriptografi, Bitcoin Feb 21, 2018 Bugün6g 11s €126
Write a set of cryptocurrencies related articles We need a set of several articles having a common theme - cryptocurrencies: - Why to choose a Hardware wallet and a comparison between the most popular - What is a Portfolio Management Software (Order Management System) and why we need one - Basic concepts in cryptocurrencies (blockchain, cryptocurrencies, wallets, addresses, transactions) - Differences between Bitcoin, Ethereum, Ripple etc -... 43 Teknik Yazı, Article Writing, Araştırma Yazarlığı, Kriptografi Feb 21, 2018 Bugün6g 11s €126
Finding encryption algorithm Hi i have collected some requests that an Android app sends , and i need to find the encryption algorithm i used fiddler to collect the requests 3 Kriptografi Feb 21, 2018 Bugün6g 7s €50
Ethereum Wallet I want simple ethereum web wallet and also send and receive function it should be simple web based app where new user signs up and he will have unique eth address for his account and with that eth add if he has balance can send eth or can receive eth to that address 18 Kriptografi, C++ Programlama, node.js, Bitcoin, Ethereum Feb 21, 2018 Bugün6g 6s €756
coin developement we want to develope crypto currency 18 Python, Kriptografi, Blockchain Feb 21, 2018 Bugün6g 1s €9746
cipher 48 encryption decoder this project is to create a tool to decrypt this information: 253113006145063043134018129099033108045194015176 main key DF46452FCE37AB02 key A B3FE5245761626CE key B 4462913297480912 16276775:953>748 4580110730686018 ?1<0569=1;>3;:20 where the result of that should give the following: 4462913297480912 042558FFFFFFFFFF 4580110730686018 043304FFFFFFFFFF I had an applic... 14 C Programlama, Matlab ve Mathematica , Algoritma, Kriptografi, C++ Programlama Feb 20, 2018 Feb 20, 20185g 13s €350
NOMP & MPOS Pool With ZCASH Support I am looking for a NOMP ([url kaldırıldı, görüntülemek için giriş yapın]) cryptocurrency mining pool to be setup that will support the Equihash algo. Specifically this pool should work for ZCASH. Also a major requirement for the pool is that it use the MPOS ([url kaldırıldı, görüntülemek için giriş yapın]) front end. If you haven't built pools be... 4 Yazılım Mimarisi, Kriptografi Feb 20, 2018 Feb 20, 20185g 8s €215
Algoritma, Kriptografi, Mühendislik, Matematik, İstatistik Feb 20, 2018 Feb 20, 20182s 24a
Need Android and IOS mobile app for ewallet holding coins for our erc20 Need Android and IOS mobile app for ewallet holding coins for our erc20. Please only bid if you understand erc20. This app will only be used to hold coins not exchanges 12 Mobile App Development, Android, Kriptografi, Ethereum Feb 19, 2018 Feb 19, 20184g 21s €1971
Custom blockchain crypto coin Customized PoW/PoS with masternodes blockchain . PoW untill some block.. Algorithm should be used ASCII resistant and new algorithm with new tech Custom PoS - Leasing Proof of Stake, Waves have implemented this. We are not creating a wheel here, I`m looking for someone who can take tech and merge it, customize. Lets chat about features, details and milestones. 24 C Programlama, Kriptografi, C++ Programlama, Blockchain, Full Stack Development Feb 19, 2018 Feb 19, 20184g 13s €8624
NEO Blockchain Protocol (ICO, Token, Wallet) I want to build my own blockchain based on NEO PROTOCOL. Requires a VERY strong development team to build a crypto virtual banking services blockchain similar to crypterium. io I need a team that can build everything from ZERO. 32 Mobile App Development, Kriptografi, Blockchain Feb 19, 2018 Feb 19, 20184g 9s €46646
Cryptocurrency Virtual Bank I want to build my own blockchain. Requires a VERY strong development team to build a crypto virtual banking services similar to crypterium. io I need a team that can build everything from scratch/ground up; web, app, ICO, token, wallet, blockchain, maintenance, security, etc etc. Budget: USD$ 70,000 and development period: 4 months. 49 Mobile App Development, Kriptografi, Blockchain, Web Development, Payment Gateway Integration Feb 19, 2018 Feb 19, 20184g 7s €48117
Integrate API for wallet receiving address generate and receive coin on generated address of BTC, BCH, ETH, LTC, XRP, DASH wallet. Integrate API for wallet receiving address generate and receive coin on generated address of BTC, BCH, ETH, LTC, XRP, DASH wallet. 13 PHP, Kriptografi, Laravel, Blockchain, Ethereum Feb 19, 2018 Feb 19, 20184g 5s €344
Crypto-Engineer Chronicled is the untouched leader in supply chain solutions by leveraging block-chain. We want to be at the top. We want to hire someone who is experienced in cryptography as well as software applications. Knowing a thing or two about Chronicled platform will be given preference. Please visit [url kaldırıldı, görüntülemek için giriş yapın] to know their business model before... 14 Python, C# Programlama, Kriptografi Feb 19, 2018 Feb 19, 20183g 23s €181
Cryptographer Chronicled is the industry leader in supply chain solutions by leveraging block-chain. We want to emulate their success. We are looking for someone who knows about coding like the back of his hand. Preference will be given to those who are familiar with the Chronicled outlay. Do visit [url kaldırıldı, görüntülemek için giriş yapın] to know their business model before applying... 2 Kriptografi, Blockchain, Marketing Strategy Feb 19, 2018 Feb 19, 20183g 23s €194
Entropy analysis question I am looking for help to investigate an average min entropy concern . The project will require solid knowledge in information theory or min entropy . please contact me for further details 5 Algoritma, İstatistik, Kriptografi, Matematik, İstatistiksel Analiz Feb 18, 2018 Feb 18, 20183g 22s €62
Custom Crowdsourced platfor I would like you to create a website which allows users to create their own crowdfunding campaigns and a cryptocurrency as well. Users can fund their businesses by selling equity, stock or their own crypto to fund their [url kaldırıldı, görüntülemek için giriş yapın] would mean that real time data would have to be displayed about the stock value and the company progress, so b... 9 PHP, Web Sitesi Tasarımı, Kriptografi, HTML, Blockchain Feb 18, 2018 Feb 18, 20183g 15s €440
Reverse Engineering Project - open to bidding For a publication library Win32 app, I am looking to extract data from its proprietary and undocumented file format. * It is multilingual and precedes Unicode, most likely compressed. * The individual documents are search indexed (indices in separate files). * They are sorted into a hierarchy: Publication (file-level) > Chapter > Content. * Some publications are magazines, their hierarchy i... 5 C Programlama, Bilgisayar Güvenliği, Yazılım Mimarisi, Kriptografi, C++ Programlama Feb 17, 2018 Feb 17, 20182g 17s €411
Cryptographer Chronicled is the industry leader in supply chain solutions by leveraging blockchain. We want to emulate their success. We are looking for someone who knows about coding like the back of his hand. Preference will be given to those who are familiar with the Chronicled outlay. Do visit [url kaldırıldı, görüntülemek için giriş yapın] to know their business model before applying ... 0 Kriptografi Feb 17, 2018 Feb 17, 20182g 12s -
Blockchain Creation for a new POS/POW coin We are looking for someone that is able to create a new POS/POW coin. We have around a 7 days deadline We have the the original code we want to fork from. But need a few changes and also the wallets and block explorer creation. Let us know your past experience in this area and how quick you are able to do this. Thank you 17 C Programlama, Kriptografi, Bitcoin, Blockchain, Ethereum Feb 17, 2018 Feb 17, 20182g 7s €2546
Crypto Wallet and Payment system Hi I'm looking for someone to make this mobile application: People can only deposit a specific cryptocurrency on the wallet (more info in pm) The wallet stores the cryptocurrency The one using the app can also pay, but when paying it converts the cryptocurrency into other cryptocurrency (for example: you convert it to Ripple or Litecoin because the shop only accepts those cryptos) It wor... 25 Java, Kriptografi, C++ Programlama Feb 17, 2018 Feb 17, 20182g 7s €3378
Crypto Wallet designing I need a development team from punjab who works on blockchain projects with me 8 Kriptografi, Blockchain Feb 17, 2018 Feb 17, 20182g 3s €3251
crypto exchange we need a crypto exchange like binance or poloniex bitfinex. 23 C Programlama, Bilgisayar Güvenliği, Yazılım Mimarisi, Kriptografi, Bitcoin Feb 16, 2018 Feb 16, 20181g 8s €3937
Unhash / unencrypt email addresses based on a large sample of known values A certain well know market place hide email addresses from sellers replacing a customers real email address with a hashed value. For example a real customer email address of [url kaldırıldı, görüntülemek için giriş yapın]@[url kaldırıldı, görüntülemek için giriş yapın] is shown as abc123xyz987@marketplace.com. I have obtained a large number of about 400 ... 7 Kriptografi, E-posta İdaresi Feb 16, 2018 Feb 16, 20181g 7s €129
ERC20 Token Exchange I have requirements of an exchange website which is purely based in erc20 tokens exchanges [url kaldırıldı, görüntülemek için giriş yapın] I want to start with top 25 tokens now. Can you create this type of exchange or can edit your current exchange to something like this .. it is more easier... because it works on one blockchain which is ethereum only. 17 Python, Kriptografi, C++ Programlama, node.js, Ethereum Feb 16, 2018 Feb 16, 20181g 5s €1208
Required Crypto Currency Exchange within 3 days Required Crypto Currency Exchange within 3 days with 15 coins 14 PHP, SQL, Kriptografi, Laravel Feb 16, 2018 Feb 16, 20181g €4735
sagemath with combinatorics, graph theory, cryptography, and number theory sagemath with combinatorics, graph theory, cryptography, and number theory. I'll send you a file with more information 5 Mühendislik, Matlab ve Mathematica , Algoritma, Kriptografi, Matematik Feb 15, 2018 Feb 15, 201820s 30a €24
Crypto Arbitrage Trading Bot - 1 extra Altcoin Exchange 1 Days work for an expert. Please DO NOT post a generic / Auto responser / copy & paste “contact me” / "we have 10 developers". Do Respond to 'specific points' in the Requirement Specification below in order to be considered. This is a 1st test project and there will be more work afterwards IF successful. PLEASE only apply when you meet the following requi... 7 PHP, Apache, Kriptografi, Bitcoin, Blockchain Feb 15, 2018 Feb 15, 201819s 11a €2474
Need help with Applied Cryptography I have some problems in Applied Cryptography which i need to be resolved asap. pls see the attachment and if you can help me with this , ping me asap 0 Araştırma Yazarlığı, Kriptografi, Computer Science Feb 15, 2018 Feb 15, 20189s 8a -
Cryptocurrency Exchange Website (ERC20 Token, minable coins like BTC, LTC and others) ERC20 Token and minable coins like BTC, LTC and others Reference: [url kaldırıldı, görüntülemek için giriş yapın] Also be able to add and remove erc20 token. Implementation like IP stuff, when a user long in with different IP, google 2fa etc Questions:-- 1. How do you plan to secured investors fund? 2. How can we plan to safe the website from hackers? 3. how t... 21 Yazılım Mimarisi, Kriptografi, Bitcoin, Web Development Feb 14, 2018 Feb 14, 2018Bitti €1141
www.cryptomudra.com Crypto specific website. Eg. How blockchain is revolutionizing Healthcare industry. 7 SEO, Article Writing, Kriptografi, İçerik Yazımı Feb 14, 2018 Feb 14, 2018Bitti €16
Ico Marketing Looking for consultants to advice on ICO marketing. You will need be responsible for ICO strategies, marketing and launch. 12 Elektronik Pazarlama, Pazarlama, Kriptografi, Blockchain Feb 14, 2018 Feb 14, 2018Bitti €13692
Traceless P2P payment BLOCKCHAIN Build the entire [secured trackless payment blockchain] with ICO, own cryptocurrency, and own wallet. Budget is USD70,000 and dateline is 4 months. 38 Java, Kriptografi, C++ Programlama, Bitcoin, Blockchain Feb 13, 2018 Feb 13, 2018Bitti €58283
Looking for a Block Chain Architect Looking for a blockchain architect 13 Kriptografi, Blockchain, Ethereum Feb 13, 2018 Feb 13, 2018Bitti €13
Adopt a block chain technician. I'm going to make a coin exchange. Development of electronic wallet without security problems. You need to develop your own api. [url kaldırıldı, görüntülemek için giriş yapın] You need to create a web site with similar but high quality, original designs and features. Developers buy everything including paid themes / APIs / plugins and make everything. ★There... 9 Kriptografi, Bitcoin, Blockchain Feb 13, 2018 Feb 13, 2018Bitti €9104
ICO Website, Token and Smart Contract Development This is for an upcoming ICO Project, and we are seeking for a team who can walk with us from the initial to the final stage. Previous experience in Smart Contract Development on Ethereum is a must. Your token development skills should be top-notched, as anyone can practically make their own token using readily available resources online. Usage of ready-made templates online (without improvement... 29 PHP, Javascript, Python, Web Güvenliği, Kriptografi Feb 12, 2018 Feb 12, 2018Bitti €5403
Cryptocurrency development We are looking for extensive crypto coin developer for developing our coin. Fix date is 25th Feb so need before that and more detail on freelancer chat. Please only bid if you have rapid solution with demo. Thank you! 6 C Programlama, Javascript, Yazılım Mimarisi, Kriptografi, C++ Programlama Feb 12, 2018 Feb 12, 2018Bitti €424
Creating a alt coin I wanted to create an alt coin similar like litecoin or dash coin 2 Kriptografi Feb 12, 2018 Feb 12, 2018Bitti €352
ETH Fork Cryptocurrency with block explorer and wallet. Hi, Looking for a developer who is having experience in developing "Eth Fork Cryptocurrency" with block explorer and wallet. Please only bid if you have rapid solution with demo. Thank you! 14 PHP, Yazılım Mimarisi, Kriptografi, node.js Feb 12, 2018 Feb 12, 2018Bitti €1151
Looking for a Chief Technology Officer (CTO) to monitor Blockchain Technology development I am looking for a Chief Technology Officer (CTO) to monitor our Blockchain Technology and Digital Bank softwares development and oversee my team. QUALIFICATIONS: - You must be highly knowledgeable about all coding and modern programming languages - You must be very proficient in Blockchain Technology and Cryptocurrency system - You must be a team leader - You must be available almost roun... 16 Bilgisayar Güvenliği, Bulut Bilişim, Kriptografi, Bitcoin, Blockchain Feb 12, 2018 Feb 12, 2018Bitti €473
Crypto expert required I need a Crypto expert for my current project. If you have knowledge please bid. Details will be shared in message with the selected freelancers. 11 PHP, Grafik Tasarımı, Yazılım Mimarisi, Kriptografi, HTML Feb 11, 2018 Feb 11, 2018Bitti €110
3 USD per article of 500-600 words. I want to hire freelancers those have fully/unlimited/widely knowledge about cryptocurrency, transactions, transactions fees, litecoin, Bitcoin.. Don't bid if you not have any knowledge about it and cannot write to the point Article, Article should relevant to the topic that I'll provide, experience freelancers recommended. if you are a timewaster then do not bid, if i will fin... 13 Araştırma Yazarlığı, Kriptografi, Bitcoin Feb 11, 2018 Feb 11, 2018Bitti €12
3 USD per article of 500-600 words..... I want to hire freelancers those have fully/unlimited/widely knowledge about cryptocurrency, transactions, transactions fees, litecoin, Bitcoin.. Don't bid if you not have any knowledge about it and cannot write to the point Article, Article should relevant to the topic that I'll provide, experience freelancers recommended. if you are a timewaster then do not bid, if i will fin... 6 Araştırma Yazarlığı, Kriptografi, Bitcoin Feb 11, 2018 Feb 11, 2018Bitti €13
3 USD per article of 500-600 words I want to hire freelancers those have fully/unlimited/widely knowledge about cryptocurrency, transactions, transactions fees, litecoin, Bitcoin.. Don't bid if you not have any knowledge about it and cannot write to the point Article, Article should relevant to the topic that I'll provide, experience freelancers recommended. if you are a timewaster then do not bid, if i will find ... 4 Araştırma Yazarlığı, Kriptografi, Bitcoin Feb 11, 2018 Feb 11, 2018Bitti €12
I need someone who can create a ERC20 If you know how to create ERC20, contact me. 15 Kriptografi, Blockchain, Ethereum Feb 10, 2018 Feb 10, 2018Bitti €360
Professional crypto analysist for proposed Simplified AES-3 I have proposed a Simplified AES that is tested experimentally and compared against multiple cipher. I wish to extend the analysis by providing additional analysis based using the following techniques. - Differential and linear cryptanalysis - Algebraic attacks - Key schedule attacks - Etc .. This will include writing the text that describe each in details. 4 Bilgisayar Güvenliği, Kriptografi, Matematik Feb 10, 2018 Feb 10, 2018Bitti €83
Crypto exchange app similar to Jaxx Crypto Exchange app like Jaxx to accept credit cards/bank transfers with local currency KYC/MLA verification Exchange should support tokens 19 Mobile App Development, Kriptografi, Bitcoin, Blockchain, Ethereum Feb 10, 2018 Feb 10, 2018Bitti €5982
Crypto exchange app like Jaxx Crypto Exchange app like Jaxx to accept credit cards/bank transfers with local currency KYC/MLA verification Exchange should support tokens 15 Mobile App Development, Kriptografi, Bitcoin, Blockchain, Ethereum Feb 10, 2018 Feb 10, 2018Bitti €702
Launch Crowdsale/ICO for Cryptocurrency project Hi, We propose to do following: - Launch Crowdsale/ICO [Use smart contract to close campaign when target funds are received]. We are looking for someone who can help us about launch ICO. We want complete knowledge regarding ICO sale. We have previous experience regarding cryptocurrency coin development but now we want complete guidance and help regarding ICO sale. We need a talented te... 38 PHP, .NET, Kriptografi, node.js, Bitcoin Feb 10, 2018 Feb 10, 2018Bitti €2861
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