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)
Cryptocoin + ICO Crowdfundig Page The cryptocoin is based either on Ether or Cryptonote. We will discuss this after the first interview. The website will be a landing page or rather a "one-page" site. The landing page and the platform should be similar to the [url kaldırıldı, görüntülemek için giriş yapın] site / platform. Landingpage / platform - Landingpage - user-interface - admin-... 5 PHP, Web Sitesi Tasarımı, WordPress , Kriptografi, Bitcoin Dec 16, 2017 Bugün6g 23s €3124
Looking for cryptocurrency programmer Hi, We are looking for an experienced programmer with 10+ years of experience along with the experience of cryptocurrency. You must have already worked on cryptocurrency and must be able to show the examples of your work. We are coming up with a concept related to cryptocurrency. We need an experienced programmer can work as project manager and manage our local programm's team. The pr... 7 PHP, Python, Yazılım Mimarisi, Kriptografi, Bitcoin Dec 16, 2017 Bugün6g 14s €421
Needs to hire 3 Freelancers We Already Develop Coin and Security Framework and want a mentor which can guide and helping in developing API with our developer. we are team of 4 people who are working on the developing the online wallet . so we need mentor who can create database design and guide our developer to develop API and help in developing API. Platform in Built on Spring Framework and Bitcoinj . Needs to hire 3 Free... 1 Kriptografi, Bitcoin, Blockchain, Ethereum Dec 16, 2017 Bugün6g 14s €5532
I need a mining pool, and faucet built for our cryptocurrency I Need a mining pool, and faucet build for our cryptocurrency. Only apply if you can work NOW. Our blockchain is behind, and need a mining pool. 21 C Programlama, CSS, Kriptografi, HTML5, Bitcoin Dec 16, 2017 Bugün6g 7s €235
I need bitcoind devs NOW We are a startup cryptocurrency, we are on the market being traded, and need bitcoind devs asap. We also want to set up 10 nodes. 7 C Programlama, Kriptografi, Maden Mühendisliği, node.js, Bitcoin Dec 16, 2017 Bugün6g 7s €1749
Update cryptocurrency codebase, fork to new algorithm I have a cryptocurrency I made as a hobby years ago, it is a fork of Litecoin. I am interested in updating its codebase to a more recent one and changing its mining algorithm, but maintaining the existing blockchain and token distribution. I want to fork Monacoin which uses Lyra2REv2 algorithm. The source of my coin and monacoin are both available, I need to modify Monacoin source to work on... 14 Kriptografi, C++ Programlama, Bitcoin Dec 15, 2017 Dec 15, 20175g 19s €382
Ethereum token ico -- 2 I need a simple erc20 token ICO set up for me with simple ICO website simply for the crowdsale. I need this set up to my specifications. 11 Web Sitesi Tasarımı, Kriptografi, Bitcoin, Blockchain, Ethereum Dec 14, 2017 Dec 14, 20175g 3s €294
Ethereum token ico I need a simple erc20 token ICO set up for me with simple ICO website simply for the crowdsale. I need this set up to my specifications. 9 Web Sitesi Tasarımı, Kriptografi, Bitcoin, Blockchain, Ethereum Dec 14, 2017 Dec 14, 20175g 3s €404
Web Security Enhancement/Decryption -- 2 I am looking for an experienced developer with skills in decrypting php codes to remove / encrypt some codes on our website. Examples of files that requires decryption are listed below. /app/Controller/[url kaldırıldı, görüntülemek için giriş yapın] /app/Config/[url kaldırıldı, görüntülemek için giriş yapın] /core/lib/Cake/Config/[url kaldırıldı, g&ou... 8 Bilgisayar Güvenliği, Algoritma, Kriptografi, Hata Ayıklama Dec 14, 2017 Dec 14, 20175g 2s €36
Creation of ERC20 coin for new ICO Seeking an experienced person to build ERC20 coin for new ICO. This coin will be just for testing, afterwhich another job will be posted for another coin. Whoever is selected for this coin can expect to make at least double. 4 Kriptografi Dec 14, 2017 Dec 14, 20174g 19s €268
CryptoCurrency Development I am looking for someone who can develop Cryptonote ([url kaldırıldı, görüntülemek için giriş yapın]) Framework. I need a Cryptonote Based Coin in PoS Protocol and Hashing Should be in X12 and X11 both. I need all source code and Guide for future development and also I need 1 month free support. Developer should help me for mining setup and GUI wallet developing. BID on ... 10 Kriptografi, C++ Programlama, Blockchain Dec 14, 2017 Dec 14, 20174g 12s €3100
Research and White Paper We need research paper writer, white paper writer in Crypto Currency. Experienced freelancer only apply. We have a block-chain technology based research paper to write. 51 Teknik Yazı, Araştırma Yazarlığı, Kriptografi, Blockchain Dec 14, 2017 Dec 14, 20174g 9s €182
Crypto cureency (alt coin) project development I want to develop a crypto currency i.e, an alternative currency wallets ICO blockchain etc., 10 Kriptografi, Bitcoin, Blockchain Dec 13, 2017 Dec 13, 20173g 12s €1215
I need some articles about Crypto currency Hello there, I am looking for some energetic and knowledgeable crypto writer whose are quite familiar with crypto currencies field. We need many articles in order to rich our website. If you are a qualified person then bid with your full confident to go with us. We looking forward to working with you. Best of luck. 36 Teknik Yazı, Article Writing, Kriptografi, Bitcoin, İçerik Yazımı Dec 12, 2017 Dec 12, 20172g 20s €100
ATM Application for Bitcoin We are looking for someone with knowledge and experience with major ATM vender hardware and software integration. Experience integrating Bitcoin related APIs is a plus, but the most important experience is working with integrating ATM hardware and software. This project may involve working with traditional ATMs for integrating software with the physical hardware, such as an ATM application, an... 5 C Programlama, Yazılım Mimarisi, Kriptografi, Bitcoin, Blockchain Dec 12, 2017 Dec 12, 20172g 12s €3875
cryptocoin Cryptocoin developer. - A developer is needed to create a new token/coin. This involves; - Algorithms to "stamp" new tokens/coins. - Issuing of new tokens/coins to buyers - Distribution of ledger entries of above token/coin purchases 29 Mühendislik, Kriptografi, Bitcoin Dec 12, 2017 Dec 12, 20172g 11s €1374
Responsive Website (Mobile and Desktop) I need a responsive website. I already have a design for it, I just need it to be built. 134 PHP, Java, Mobile App Development, Kriptografi, HTML Dec 12, 2017 Dec 12, 20172g 9s €517
Secure Analysis -- 2 This analysis will be based on min-entropy. it will also need to compute the degree of freedom using an existing model which utilized binomial distribution. please contact me for further details 3 Matlab ve Mathematica , Bilgisayar Güvenliği, Algoritma, İstatistik, Kriptografi Dec 12, 2017 Dec 12, 20172g 8s €57
I need someone to publish a thread on bitcointalk for me. If you have an account above newbie member and you can write a post for me on [url kaldırıldı, görüntülemek için giriş yapın], let me know. I already have my content, all I need is for you to make a post on the site. 5 Kriptografi, Bitcoin, Ethereum Dec 12, 2017 Dec 12, 20172g 7s €37
Secure Analysis This analysis will be based on min-entropy. it will also need to compute the degree of freedom using an existing model which utilized binomial distribution. please contact me for further details 2 Matlab ve Mathematica , Bilgisayar Güvenliği, Algoritma, İstatistik, Kriptografi Dec 11, 2017 Dec 11, 20172g 7s €49
Secure Analysis This analysis will be based on min-entropy. it will also need to compute the degree of freedom using an existing model which utilized binomial distribution. please contact me for further details 6 Matlab ve Mathematica , Bilgisayar Güvenliği, Algoritma, İstatistik, Kriptografi Dec 11, 2017 Dec 11, 20171g 21s €77
Blockchain Software Engineer Must be UK based Must have experience of cryptography and encryption Must have experience creating ERC20 Tokens 10 Mühendislik, Kriptografi, Blockchain Dec 11, 2017 Dec 11, 20171g 17s €42
Digital video camera firmware reverse engineering / hack or tweak / embedded software. Hello, I own a Panasonic digital video camera with the following features: - It can stream the video it shoots in real time through wifi; the packets are encoded as movie jpeg. - It can record the video it shoots on a SD card as h264 encoded file; it uses hardware (an onboard circuit) for the encoding. My requirement is: to have the firmware tweaked so that the video streamed by wifi is enc... 11 C Programlama, Mikrodenetleyici, Gömülü Yazılım, Kriptografi, Montaj Dec 11, 2017 Dec 11, 20171g 17s -
Cryptocurrency and BitCoin Miner and Programmer Looking for expert cryptocurrency miner and programmer. Who has good knowledge and experience in blockchain programming, ICO, Token, Smart Contracts and related etc 15 PHP, C Programlama, Yazılım Mimarisi, Kriptografi, Bitcoin Dec 11, 2017 Dec 11, 20171g 12s €730
created a crypto coins -- 2 - 10/12/2017 04:50 EST -- 2 The Git also references a URL that is not live and most likely are old and not needed in the new wallet. Help determine if these are needed. Or if the missing Dependencies are also not needed. 2 Kriptografi, C++ Programlama Dec 10, 2017 Dec 10, 201721s 20a €103
Crypto Wallet App -- 2 A crypto wallet app ● Develop a Crypto Wallet for Web and Mobile app (iOS and Android) ● Customers can buy and sell bitcoin. ● Provide bitcoin payment processing system for user. ● Payments platforms - PayPal, credit card, debit card● Reference site: [url kaldırıldı, görüntülemek için giriş yapın] and [url kaldırıldı, görüntülemek için giriş yapın] ... 28 Java, Javascript, Android, Kriptografi, iOS Development Dec 10, 2017 Dec 10, 201717s 3a €655
Technical questions & answers Looking for freelancer to review and write a set of technical questions with answers with the following conditions: - *) Freelancer should hold a Master or Higher in one of computer studies. *) Knowledge is a must in computer security, data encryption and image encryption. *) Solid in technical English writing. *) Welcome to new freelancers or 0 feedback. 29 Bilgisayar Güvenliği, Teknik Yazı, Araştırma Yazarlığı, Kriptografi, Ağ Yönetimi Dec 9, 2017 Dec 9, 2017Bitti €96
Fix my crypto wallet error I have a wallet which is not confirming transactions. please check this screenshot. Only experienced. 8 C Programlama, Kriptografi, C++ Programlama, Bitcoin, Blockchain Dec 9, 2017 Dec 9, 2017Bitti €36
$30 - $250 AUD -- 2 We would like someone to write a white paper regarding our ICO PROJECT. We need someone who has previously written a white paper and presentation on crypto currency and Block chain technology Hit us up with little detail about your previous projects and we can go from there We will provide examples and kind of a content we want to write. Thanks 29 Metin Yazarlığı, Rapor Yazma, Article Writing, Kriptografi, Content Marketing Dec 9, 2017 Dec 9, 2017Bitti €97
Solidity Developers We are building the next generation crypto currency platform, token and network. We are developing on multiple stacks and languages. We need experienced solidity developers to assist with developing our master node smart contracts. At this point, we are building out our architecture and technology stacks. Data models are in development, as is our coins network, master node system, and wallets.... 8 Kriptografi, node.js, Bitcoin, Blockchain, Ethereum Dec 9, 2017 Dec 9, 2017Bitti €16
penetration testing report i have screenshots ,i need professional academic report 20 Bilgisayar Güvenliği, Cisco, Kriptografi, Ağ Yönetimi Dec 8, 2017 Dec 8, 2017Bitti €41
Solidity Developer(s) Looking for solid experience, we completed a successful ICO and need two contractors that can work on our master node smart contracts. 10 Kriptografi, C++ Programlama, Ethereum Dec 8, 2017 Dec 8, 2017Bitti €31
Blockchain developer and Cryptocurrency Expert Looking for blockchain developer and cryptocurrency expert. Someone who has expertise in bitcoin wallet and integration. I want to create a cryptocurrency exchange platform on web and mobile. Only expert and experience developer should apply with their portfolio for long term relationship 8 Kriptografi, C++ Programlama, Bitcoin, Blockchain, Ethereum Dec 8, 2017 Dec 8, 2017Bitti €20
Shipping bitcoin mining machine antminers S9, D3, L3 in India I want bitcoin mining machines to be shipped in India. Need a reliable supplier who can be trusted. 1 Elektronik, Üretim, Üretici Kaynaklandırma, Kriptografi, Üretim Tasarımı Dec 8, 2017 Dec 8, 2017Bitti €103
Website development project - Crypto Currency we need to have proposals for a website development project, it is going to be full website development including designing UI designing backend integrating it with the payment provider database creation for user management integrating with the various 3rd party API's in cryptomarket technically there would be two modules (1 for buy/sell of cryptocurrency (BTC/ETH/LTC/DASH/XRP) ... 40 PHP, Javascript, Ruby on Rails, Kriptografi, MySQL Dec 8, 2017 Dec 8, 2017Bitti €584
New cryptocurrency need new cryptocurrency with following features: -unique code not bitcoin -secure -instant -no confirmations -no mining -no fees -2,000,000,000 market cap -I will own all upfront -windows wallet required initially -private transactions -private blockchain 17 Kriptografi, Bitcoin, Blockchain, Ethereum Dec 7, 2017 Dec 7, 2017Bitti €829
myCrypto Wallet - 06/12/2017 11:27 EST Would like to build a mobile app (iOS and Android) for customers who want to buy or sell bitcoin and other cryptocurrencies (also includes a website). Also want to provide bitcoin payment processing system for user. Ping me for more information. The project just like jaxx, localbitcoin, and also exchange with other payments platforms - PayPal, stripe, [url kaldırıldı, görüntülemek i... 49 Java, Android, Kriptografi, MySQL, iOS Development Dec 6, 2017 Dec 6, 2017Bitti €897
Initial Coin Offering I am looking for experienced and knowledgeable individuals to assist with Initial Coin Offering process. 6 Kriptografi Dec 6, 2017 Dec 6, 2017Bitti €61390
Need a premined and few mineable crypto coins based on Ethereum blockchain Hello Freelancers, We have wonderful project to begin in next 2 days. We are after creating our own cryptocurrency using Ethereum fork so it uses the existing Ethereum blockchain. We are look for serious coders and who have a proved knowledge in block chain technology. We need a crypto coin where some of its coins are premined and some of them will be mineable. calculations are ready. will be sha... 18 PHP, Yazılım Mimarisi, Kriptografi, Blockchain, Ethereum Dec 5, 2017 Dec 5, 2017Bitti €3880
E20 Solidity Etherium Coin Expert We are looking for someone to help us complete our coin creation. We have already built the Smart Contract and everything else, but need to find a way of allowing people to buy, sell the coin using Etherium. We need to start funding our project and we need someone who has built a functional coin to assist us. Work will be per project or per hour depending on the skills of the freelancer. We respec... 13 Kriptografi, Bitcoin, Yazılım Geliştirme Dec 5, 2017 Dec 5, 2017Bitti €28
Cryptocurrency Exchange Platform (website, wallets, smartphone apps) I am looking for a developer to create a website similar to Coinbase ([url kaldırıldı, görüntülemek için giriş yapın]) and their digital currency exchange ([url kaldırıldı, görüntülemek için giriş yapın]), as well as create smart phone apps for this website. This project will also involve developing a secure wallet system. I would like this exchange t... 31 Javascript, Web Sitesi Tasarımı, Yazılım Mimarisi, Kriptografi, Blockchain Dec 5, 2017 Dec 5, 2017Bitti €3399
Average Min Entropy Analysis I am looking for help in conducting an analysis. This analysis will be based on average min-entropy. please contact me for further details. 10 Algoritma, Bilgisayar Güvenliği, Kriptografi, Matlab ve Mathematica , İstatistiksel Analiz Dec 5, 2017 Dec 5, 2017Bitti €105
Cryptocurrency related digital marketer needed Hello. I need a professional marketer who knows cryptocurrency very well and has the strong creative mind. I usually need you to make the promotional post in different communities. I usually need around 80 words posts where I am able to pay 50 cents for each post. If you don't have any previous experience in bitcoin or crypto then don't bid on here, please. 6 Facebook Pazarlama, Kriptografi, Bitcoin, Digital Marketing Dec 4, 2017 Dec 4, 2017Bitti €21
Build a Cryptocurrency Exchange App I am looking for an experienced developer who is familiar with Blockchain and Exchange Development. Please do share your demo or past work regarding Bitcoin or cryptocurrency, otherwise your proposal would be rejected. You would be developing an Cryptocurrency exchange app (android + ios), with Backend Server API and Advanced Admin Panel. Currencies would include some of the major ones like ... 33 PHP, Android, Kriptografi, Bitcoin, iOS Development Dec 4, 2017 Dec 4, 2017Bitti €2742
Cryptocurrency Exchange Platform Need help to build a crytotocurrency exchange to buy and sell various cryptocurrencies. An exchange that can trade not only Bitcoin but also other cryptocurrencies such as Ethereum and Ripple. Please only bid if you have worked on this before. Provide the link to your work. Also provide cost and delivery estimation. 35 Yazılım Mimarisi, Kriptografi, Bitcoin, Ethereum, Web Development Dec 3, 2017 Dec 3, 2017Bitti €6554
cryptocurrency exchange development with INR integration Hi, I am looking for a developer or a team who has already developed a crypto exchange with min of 5 alts. If you have a ready made script tested fully in terms of security and functionality please contact me. Exchange must be able to integrate with liquidation api. With INR integration Min of 5 alts Security check Fully integrated graphs and study tool. 19 PHP, Kriptografi, Blockchain, Ethereum Dec 3, 2017 Dec 3, 2017Bitti €772
need to build cryptocurrency exchange or buy sell market place like localbtc platform I want to make a mobile app and website for customer who want to buy or sell bitcoin. Also want to provide bitcoin payment processing system for user. I want that developer work as a partner of my project. Pm me for more information. my project just like [url kaldırıldı, görüntülemek için giriş yapın], [url kaldırıldı, görüntülemek için giriş yapın] a... 11 PHP, Android, Kriptografi, MySQL, iOS Development Dec 3, 2017 Dec 3, 2017Bitti €973
Find the encryption technique -- 3 Hi, Need an security expert to find out the encryption technique on a data-set. Kindly find attachment containing sample data. Sample data contain 10 sample. Each row has a column value named New ID which is generated using Old ID The New Full ID is just a re-written form on the New ID The Encrypted ID is the one for which the source is unknown , it can be Old ID or New ID or New Full I... 6 Bilgisayar Güvenliği, Kriptografi Dec 1, 2017 Dec 1, 2017Bitti €16
solidity etherium smart contract Hi guys, I am looking for a price to get a custom cryptocurrency coin made through Etherium by a Solidity developer. [url kaldırıldı, görüntülemek için giriş yapın] 3 Kriptografi Dec 1, 2017 Dec 1, 2017Bitti €419
cryptocurrency wallet - build cryptocurrency wallet - that is working with other coins - send receive payments etc 15 Kriptografi, Bitcoin, Ethereum Dec 1, 2017 Dec 1, 2017Bitti €3610
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