Kryptografie Práce a soutěže

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!
Zaregistrujte se a začněte vydělávat
Založte si účet a začněte vydělávat. Jste a Cryptographer? I vy si můžete vydělávat prací na těchto projektech!

Hledejte práci na Freelancer.com

Projekt/Soutěž Popis Nabídky/Návrhy Dovednosti Zahájeno Končí Cena EUR
installation wordpress templete in our server and xampp - 26/04/2018 16:21 EDT installation wordpress template in our server and xampp 18 PHP, WordPress, Kryptografie, Bitcoin, Ethereum Apr 26, 2018 Dnes6d 21h €72
smart contracts for casino games - 26/04/2018 15:28 EDT looking to get someone to write the smart contract for 2 casino games. we'd expect the games to be written in Solidity and include unit tests the games/contract are coinflip user 1 puts in X amount of ETH, user 2 puts in the same amount, when the game it played one player get their original amount of ETH, plus the other users amount, minus a commission, which goes to user 3 (the hou... 2 Smlouvy, Kryptografie, Ethereum Apr 26, 2018 Dnes6d 20h €248
Need plaintext for Joomla Hashes (bcrypt) - 26/04/2018 13:31 EDT We need someone with enough hashing potential to retrieve plain-texts for the following 2 Joomla hashes. You can use any tools like John the ripper or Hashcat or any other tools which you prefer that might yield better results. $2y$10$zjMN./xZ03ZpVNJHivz7XuEOCnpfwQqj1Ar3Q2DwsJRDJxuJvOgWC $2y$10$v6xsY84vcWVFS0E2uP1JbOpd5dBqmD861xAg4xozaLfFiiWdiyVti Payment will be released as soon as we rece... 1 Linux, Joomla, Kryptografie, Penetration Testing Apr 26, 2018 Dnes6d 18h €92
Blockchain Developer/Freelancer - 26/04/2018 11:12 EDT Hello, I am looking for experienced Blockchain developer. Kindly bid only if you have work/example to show on blockchain. I will pay USD 10/hr so bid only if you are fine with rates. 4 Kryptografie, Bitcoin, Blockchain, Ethereum Apr 26, 2018 Dnes6d 16h €314
ERC20 Token Creation I need someone to create a ERC20 Ethereum token for me. I know it takes less than 5 mins but I want to make sure it's done right. I also want someone to help me to submit my token to an exchange like Ether Delta. Please only apply if you know how to work with ERC20 tokens 9 Kryptografie Apr 26, 2018 Dnes6d 5h €202
Abhi Rental We are looking for a team member who can create ERC20 Token, smart contract for us. 2 Smlouvy, Kryptografie Apr 26, 2018 Dnes6d 5h €596
Cuda based approches to retrieve passwords I need you to write a research article. 3 Programování v C, Výzkumná práce, Kryptografie, CUDA, Matematika Apr 25, 2018 Apr 25, 20185d 17h €18
Cryptocurrency trading website Hello All, I need a cryptocurrency website based on the blockchain. The website must have the features like [url odstraněn, pro zobrazení se přihlaste] It should have the features: 1. User Registration 2. Home 3. Dashboard. 4. Notifications 5. wallet 6. Trading Page This is just my vision towards the website. Appealing ideas for the development of the website are welcome. ... 44 PHP, Web design, Kryptografie, Bootstrap, Blockchain Apr 25, 2018 Apr 25, 20185d 11h €1075
secured location based services using homomorphic encryption Step 1. Read about homomorphic encryption, research papers and use library/implement El Gamal or Pallier or any related algorithm. Add and multiply two integers in encrypted domain. Give a short demo and report. Step 2. Encrypt same number twice, you will get different results. This is because of the random number. Try to come up with a scheme to compare the... 6 Python, Kryptografie Apr 24, 2018 Apr 24, 20185d 3h €336
Create a crypto currency like Verge we are looking to develop a crypto currency like Verge. you have to create everything from scratch till end. we are looking to make money from ICO and trading. thanks 23 Kryptografie, Blockchain Apr 24, 2018 Apr 24, 20184d 15h €1861
Need a design for crypto casino website Need a design for crypto casino website. I have an idea you need to create a website design. Rest information will be shared with the right candidate. In your proposal please mention why I should hire you? Don't Spam. Thank you! 12 PHP, Kryptografie, HTML5, Bitcoin, Blockchain Apr 24, 2018 Apr 24, 20184d 5h €102
ICO Marketing Expert need ICO Marketing Expert for full time 8 Photoshop, Facebook Marketing, Marketing, Kryptografie, Blockchain Apr 23, 2018 Apr 23, 20183d 20h €325
Find encryption key, cryptography expert only Hi there, please read details carefully. In this project I need an high skilled cryptograph, to find an encoding key between 2 chains of characters. I will provide samples, from them you will have to find the relation between them. Big reward will be given. Only expert and serious person, no time wasters, if you're trying to be sneaky, you will be reported, if you know you're not up ... 12 Inženýrství, Bezpečnost počítače, Algoritmy, Kryptografie, Matematika Apr 23, 2018 Apr 23, 20183d 16h €461
Hire a cryptocurrency expert to give me advice about my mining rig We just created my first mining rig and is new to this field. We would like to have someone to mentor me and guide me through the steps. In the future our company would want to create a mining farm so this is our first step, and if you prefer long term over short term collaboration, please message us. 6 Kryptografie, Těžební inženýrství, Bitcoin Apr 23, 2018 Apr 23, 20183d 15h €194
Implement custom CryptoAPI - Cryptographic Service Provider (CSP) entry points (functions) in DLL file Build custom CryptoAPI-Cryptographic Service Provider (CSP) entry points (functions) in DLL file which need to integrate with Microsoft Office application for Digital Signature process. 1 Kryptografie, C++ programování Apr 23, 2018 Apr 23, 20183d 11h €18
Dehash sha256 encoded with base64 We are going to pay $381.65 for every hash to be solved on AWS using brute force 3 Amazon Web Services, Kryptografie, Linux, Softwarová architektura Apr 23, 2018 Apr 23, 20183d 10h €338
I would like to hire a Cryptographer Community driven blockchain project is looking for a cryptographer on a project basis for a proof of concept and development of sidechains to execute functions linked to an active blockchain. 13 Kryptografie, Matematika, Analytika, Blockchain, Computer Science Apr 23, 2018 Apr 23, 20183d 7h €304
ICO-CryptoCOIN Specialist Looking for an expert who got on-hand experience from drafting till project implementation for ICOs and Implementation. Project cost mentioned is adhoc, will be finalised after selecting the appropriate personnel Thanks Happy bidding. 14 Kryptografie, Bitcoin, Ethereum Apr 23, 2018 Apr 23, 20183d 6h €557
Compile me "Keccak 256" hash algorithm from JavaScript to AS3 Class Hi, I'm a flash developer I found many crypto libraries for as3 but I couldn't find any "Keccak 256" library. 3 Javascript, Adobe Flash, Softwarová architektura, Kryptografie, ActionScript Apr 22, 2018 Apr 22, 20182d 21h €152
Crypto SHORT or LONG content writer needed Hello freelancers, I am here to find out a good freelancer who knows Crypto market very well and can write content based on Crypto and Forex. Anyway, we do work for different clients so obviously you also have to converse with clients and currently we are paying $5 for 500 words so if you are confident then submit your proposal with your current sample. Thanks 12 Article Writing, Přepisování článků, Kryptografie, Bitcoin, Tvorba textů Apr 21, 2018 Apr 21, 20181d 19h €60
Need Few Individual Writers for Crypto Website. I need regular blog related to Cryptocurrency/ BlockChain. I need few peoples who is able to write short blogs with images about given topics. Please ans me: 1, What your price for a 600 words blog 2, How many blogs can you write in a day 30 Výzkumná práce, Kryptografie, Bitcoin, Blockchain, Blog Writing Apr 21, 2018 Apr 21, 20181d 14h €94
CRYPTOCURRENCY ACADEMIC RESEARCHERS/WRITERS Very HIGH QUALITY Academic Article And Research Paper Writers Required. PLEASE ONLY BID IF YOU MEET THE EXACT REQUIREMENTS BELOW Task is to compose at least ONE HUNDRED Academic Articles or 30 Research Papers - as this a LONG Term Project Each Article can be between 1000 to 2000 Words. Research papers are approx 5000 words. Each article/paper will cover everything to do with cryptocurrencies... 19 Kryptografie, Bitcoin, Umělá inteligence, Blockchain, Akademické psaní Apr 21, 2018 Apr 21, 20181d 9h €30
Frontend and admin panel integration required. 2 to 3 hours job, php based admin panel need to be integrated with user end to perform dynamic functions. 26 PHP, Kryptografie, MySQL, HTML, Bitcoin Apr 20, 2018 Apr 20, 201819h 49m €76
Blockchain API I am helping my customer to source for blockchain api developer. My customer has existing membership system and has their own server. They would like to give their member cryptocurrency coin. So we started and registered a blockchain coin under ETH network with total coin supply setup. Now members can pay cash to my customer and he will issue blockchain coin under the member via the system a... 11 Javascript, C# Programování, Kryptografie, MySQL, Blockchain Apr 20, 2018 Apr 20, 201815h 3m €179
Make an ICO and ERCfund [url odstraněn, pro zobrazení se přihlaste] we want to make a fund that is backed by a cryptocurrency using this ercfund code and the end result should be EXACTLY like [url odstraněn, pro zobrazení se přihlaste] so people buy the coin and the business model is that this coin money will be used to invest in to 50 crypto currencies including ICO's 26 PHP, Inženýrství, Ilustrátor, Kryptografie, Blockchain Apr 20, 2018 Apr 20, 201814h 29m €1773
Modify Bitmain x3 to mine the new CryptonightV7 Algo (Firmware?) I am looking into the possibilities of modifying the Bitmain x3 to work with the new CryptonightV7 Algo that Monero just forked to. There is a rumor that the firmware could be modified to work with the new algo. 8 Elektronika, Microcontroller, Softwarová architektura, Kryptografie, Programování Apr 19, 2018 Apr 19, 2018Ukončeno €17797
Creation and Development of a New Cryptocurrency (ICO) Ethereum based ICO Need to Create Creation and Development of a New Cryptocurrency (ICO) Ethereum based ICO 16 Grafický design, Tvorba log, Kryptografie, Blockchain Apr 19, 2018 Apr 19, 2018Ukončeno €1025
premining pow/pos masternode coins which i created Hello. i need to premine my own coins. i don't know how to premine. i am looking a freelancer who can premine my coin. Thanks 3 Kryptografie, Bitcoin, Ethereum Apr 19, 2018 Apr 19, 2018Ukončeno €360
OpenCL FPGA Code modification I am looking for someone to modify the OpenCL code base of an AMD focused Crypto Mining Software and optimize it for OpenCL Based FPGA using this package [url odstraněn, pro zobrazení se přihlaste] Please respond directly with any questions such as specific mining software and such. 6 Programování v C, Verilog / VHDL, Kryptografie, OpenCL, FPGA Apr 17, 2018 Apr 17, 2018Ukončeno €1858
Data Encryption 1. Secure data and encrypt using private keys as Read only, no delete, update or edit. 2. Source of origin, Date&Time stamp. 3. decrypt data with using the specific keys, add user. 8 Bezpečnost počítače, Kryptografie Apr 17, 2018 Apr 17, 2018Ukončeno €703
Daemon instance 0 rejected a supposedly valid block Hello. i am going to make pow/pos masternode coin. i have changed only some parameters from basic coin. And i have installed nomp pool on vps server. when i mine coins in pow phase, nomp says that "Daemon instance 0 rejected a supposedly valid block. " All block was rejecting now. [url odstraněn, pro zobrazení se přihlaste] says as follows: ERROR: CheckBlock() : first tx i... 3 Linux, Kryptografie, Bitcoin, Ubuntu, Ethereum Apr 16, 2018 Apr 16, 2018Ukončeno €543
Simple Python socket programming on HMAC(cryptography) Hi, this is a simple socket programming project. We already have the connection and everything set up, you just have to help us send a HMAC to the server, the server would decrypt it if it is correct or else it would reject it. Text me up, if you wanna talk in detail! 7 Java, Python, Bezpečnost počítače, Kryptografie Apr 16, 2018 Apr 16, 2018Ukončeno €28
Bolinger Band Bot for GDAX Looking for a bot that will trade on Bolinger Band levels, RSI levels and MACD levels. Would like to trade in 15 minute intervals at most. 8 Kryptografie, Bitcoin Apr 16, 2018 Apr 16, 2018Ukončeno €1027
SEO Article on Ontology Need someone who knows Ontology Network in depth. Looking for long term writer. 4 Web design, Kryptografie, HTML, Bitcoin, Blockchain Apr 16, 2018 Apr 16, 2018Ukončeno €27
I need ERC 20 smart contract fixing or issue or audit Hi, You will be doing the following: -A complete audit of ERC 20 Smart contract and provide an audit report -Find issues and fix How many smart contracts audits you have completed? Please provide sample audit report. 13 Kryptografie, Blockchain, Ethereum Apr 15, 2018 Apr 15, 2018Ukončeno €738
ERC20 creation I am looking for ERC20 token develop for me. 3 Kryptografie Apr 15, 2018 Apr 15, 2018Ukončeno €103
Understand how Bitfinex calculates transactions? By adding all of my transactions that the API returns, I can not find the result that I have in my balance. Example with IOTA: My balance is 281.64315651000 IOTA (return by /v1/balances) List of transactions (return by /v1/mytrades): [ {"Price": "0.0002993", "amount", "79.28790511", "timestamp", "1513796864.0", "type&qu... 1 Metatrader, Kryptografie, Bitcoin, Blockchain, Ethereum Apr 15, 2018 Apr 15, 2018Ukončeno €113
Software Security I am looking for someone who can help me with software security. This project will require extensive experience in cryptography, engineering, mathematics, complex algorithms and "C" Programming. If interested contact me to discuss details. Thank you 10 Inženýrství, Matlab a Mathematica, Algoritmy, Kryptografie, Matematika Apr 14, 2018 Apr 14, 2018Ukončeno €1028
Looking for a freelancer to help working for a cryptocurrency project. Skill needed: strong c++ , cryptography skill We are working on a crpytocurrency project that createssomething similar to Raiblocks(Nano) and we are looking for freelancers to help with the project. PM me to learn more about the project and the whitepaper. 14 Algoritmy, Softwarová architektura, Kryptografie, C++ programování , Full Stack Development Apr 14, 2018 Apr 14, 2018Ukončeno €31
i need a software programmer we are a new startup company looking for a team leader to start a mobile encryption software, 7 Kryptografie Apr 11, 2018 Apr 11, 2018Ukončeno €47195
crypto coin block chain based cryptocurrency . 13 Kryptografie Apr 7, 2018 Apr 7, 2018Ukončeno €1701
Complete A New Genesis Block Of Pivx Clone. We Already Have Wallet Built [url odstraněn, pro zobrazení se přihlaste] 2 Programování v C, .NET, C# Programování, Kryptografie, C++ programování Apr 6, 2018 Apr 6, 2018Ukončeno €126
Digital forensics report Digital forensics report 3000 words with references, details will be provided 16 Bezpečnost počítače, Technické psaní, Kryptografie, Administrace sítí, Computer Science Apr 6, 2018 Apr 6, 2018Ukončeno €77
ICO Thread at Bitcointalk We need the person who can make and share thread at bitcointalk for ICO & Bounty campaign. only serious people contact us. 10 Překlady, Photoshop, Ilustrátor, Kryptografie, Bitcoin Apr 4, 2018 Apr 4, 2018Ukončeno €20
Minergate mobile app clone We are looking for expert crypto/mobile Developer for developing a cryptocurrency miner app based Monero (XMR). Basically the app should be almost a ="c l o n e" of Minergate mobile mining app but with a few extras and little customization. Check Minergate mobile app at: [url odstraněn, pro zobrazení se přihlaste] The mobile app should support ISO & Android. If y... 42 Mobile App Development, iPhone, Android, Kryptografie Apr 4, 2018 Apr 4, 2018Ukončeno €724
i need freelancer developer we''re blockchain solution company in Malaysia looking for the freelance developer can worked together.. 11 Kryptografie, Blockchain Apr 3, 2018 Apr 3, 2018Ukončeno €191
Build a Cryptocurrency Decentralized Exchange - Urgent..... - 02/04/2018 05:02 EDT Project : Build a function crypto exchange based on the template Please answer the screening questions 1-6. first. 1) Have you done a crypto exchange project before? 2) Can you show the demo? 3) Do you understand the structure & logic of importing liquidity? 4) Are you familiar with AWS? 5) You will need to proactively update us a very rough progress daily, can you do that? ... 7 Java, Python, Kryptografie, C++ programování , Blockchain Apr 2, 2018 Apr 2, 2018Ukončeno €87
Build a Cryptocurrency Decentralized Exchange - Urgent... Project : Build a function crypto exchange based on the template Please answer the screening questions 1-6. first. 1) Have you done a crypto exchange project before? 2) Can you show the demo? 3) Do you understand the structure & logic of importing liquidity? 4) Are you familiar with AWS? 5) You will need to proactively update us a very rough progress daily, can you do that? ... 5 Java, Python, Kryptografie, C++ programování , Blockchain Apr 2, 2018 Apr 2, 2018Ukončeno €274
Project for Mudassar A. Hi Mudassar A., I noticed your profile and would like to offer you my project. We can discuss any details over chat. 2 Bezpečnost na webu, Bezpečnost počítače, Kryptografie, , Shromažďování, Internetová bezpečnost Apr 1, 2018 Apr 1, 2018Ukončeno €14
Build me a platform for my own cryptocurrency I have an eCommerce and i am looking for a platform or programmers who can create a platform where i can sell with my own cryptocurrency. I would like to have this project finished in a period of 15-30 days. 34 PHP, eCommerce, Kryptografie, HTML, Programování Apr 1, 2018 Apr 1, 2018Ukončeno €2123
Showing 1 to 50 of 347 entries
« 1 2 3 4 5 »