密码学 工作与竞赛
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!
浏览Freelancer上的工作
| 项目/竞赛 | 描述 | 竞标数/参赛作品数 | 技能 | 已开始 | 结束 | 价格（HKD） | |
|---|---|---|---|---|---|---|---|
| ICO Marketing Expert | need ICO Marketing Expert for full time | 4 | Photoshop, Facebook营销, 市场, 密码学, Blockchain | Apr 23, 2018 | 今天6天 20时 | $3051 | |
| 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 ... | 9 | 工程, 计算机安全, 算法, 密码学, 数学 | Apr 23, 2018 | 今天6天 16时 | $5547 | |
| 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. | 1 | 密码学, 矿业工程, Bitcoin | Apr 23, 2018 | 今天6天 15时 | $1244 | |
| 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 | 密码学, C++编程 | Apr 23, 2018 | 今天6天 11时 | $173 | |
| Dehash sha256 encoded with base64 | We are going to pay $381.65 for every hash to be solved on AWS using brute force | 3 | 亚马逊网络服务, 密码学, Linux, 软件构架 | Apr 23, 2018 | 今天6天 11时 | $3208 | |
| 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. | 10 | 密码学, 数学, 分析学, Blockchain, Computer Science | Apr 23, 2018 | 今天6天 8时 | $396 | |
| 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. | 10 | 密码学, Bitcoin, Ethereum | Apr 23, 2018 | 今天6天 6时 | $6580 | |
| 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, 软件构架, 密码学, ActionScript | Apr 22, 2018 | Apr 22, 20185天 21时 | $1443 | |
| 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 | 13 | Article Writing, 文章重写, 密码学, Bitcoin, 内容写作 | Apr 21, 2018 | Apr 21, 20184天 19时 | $1733 | |
| 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 | 31 | Research Writing, 密码学, Bitcoin, Blockchain, Blog Writing | Apr 21, 2018 | Apr 21, 20184天 14时 | $1372 | |
| 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... | 20 | 密码学, Bitcoin, 人工智能, Blockchain, 学术写作 | Apr 21, 2018 | Apr 21, 20184天 10时 | $282 | |
| 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, 密码学, MySQL, HTML, Bitcoin | Apr 20, 2018 | Apr 20, 20183天 20时 | $722 | |
| 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# 编程, 密码学, MySQL, Blockchain | Apr 20, 2018 | Apr 20, 20183天 15时 | $3607 | |
| Make an ICO and ERCfund | [链接已删除，请登录查看] we want to make a fund that is backed by a cryptocurrency using this ercfund code and the end result should be EXACTLY like [链接已删除，请登录查看] 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, 工程, Illustrator, 密码学, Blockchain | Apr 20, 2018 | Apr 20, 20183天 14时 | $17222 | |
| 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. | 7 | 电子, 微控制器, 软件构架, 密码学, 编程 | Apr 19, 2018 | Apr 19, 20182天 15时 | $173206 | |
| 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 | 平面设计, 徽标设计, 密码学, Blockchain | Apr 19, 2018 | Apr 19, 20182天 13时 | $10283 | |
| 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 | 密码学, Bitcoin, Ethereum | Apr 19, 2018 | Apr 19, 20182天 9时 | $3419 | |
| 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 [链接已删除，请登录查看] Please respond directly with any questions such as specific mining software and such. | 7 | C 编程, Verilog / VHDL, 密码学, OpenCL, FPGA | Apr 17, 2018 | Apr 17, 201822时 38分 | $17920 | |
| MS office builder coding and scripting | I'm looking for someone who can build ms office silent doc builder (or one build) or refud exist one take for references CVE-2017 8570, 2017-8759, 2017-11882, 2017-0199 consider that the generated file (Output) should be 100% FUD not UD, and can bypass protection view The doc exploit must be SILENT type (Not Macro). The word document when opened must silently and automatically execute t... | 0 | Python, 计算机安全, 密码学, Ruby, 黑客营销 | Apr 17, 2018 | Apr 17, 201817时 40分 | - | |
| 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 | 计算机安全, 密码学 | Apr 17, 2018 | Apr 17, 201816时 23分 | $6679 | |
| 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. [链接已删除，请登录查看] says as follows: ERROR: CheckBlock() : first tx is not coinbase ERROR: ProcessBlock()... | 3 | Linux, 密码学, Bitcoin, Ubuntu, Ethereum | Apr 16, 2018 | Apr 16, 20182时 13分 | $5160 | |
| 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, 计算机安全, 密码学 | Apr 16, 2018 | Apr 16, 2018已经结束 | $268 | |
| 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 | 密码学, Bitcoin | Apr 16, 2018 | Apr 16, 2018已经结束 | $9756 | |
| SEO Article on Ontology | Need someone who knows Ontology Network in depth. Looking for long term writer. | 4 | 网站设计, 密码学, HTML, Bitcoin, Blockchain | Apr 16, 2018 | Apr 16, 2018已经结束 | $259 | |
| 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 | 密码学, Blockchain, Ethereum | Apr 15, 2018 | Apr 15, 2018已经结束 | $7011 | |
| ERC20 creation | I am looking for ERC20 token develop for me. | 3 | 密码学 | Apr 15, 2018 | Apr 15, 2018已经结束 | $977 | |
| 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, 密码学, Bitcoin, Blockchain, Ethereum | Apr 15, 2018 | Apr 15, 2018已经结束 | $1077 | |
| 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 | 工程, 矩阵及数学软件, 算法, 密码学, 数学 | Apr 14, 2018 | Apr 14, 2018已经结束 | $9764 | |
| 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 | 算法, 软件构架, 密码学, C++编程, Full Stack Development | Apr 14, 2018 | Apr 14, 2018已经结束 | $298 | |
| Cyber security related topic ideas | Cyber security related topic ideas, something related to security of internet of things and smart grids | 25 | 计算机安全, Research Writing, 密码学, 网络安全, Penetration Testing | Apr 11, 2018 | Apr 11, 2018已经结束 | $269 | |
| i need a software programmer | we are a new startup company looking for a team leader to start a mobile encryption software, | 7 | 密码学 | Apr 11, 2018 | Apr 11, 2018已经结束 | $448127 | |
| crypto coin | block chain based cryptocurrency . | 13 | 密码学 | Apr 7, 2018 | Apr 7, 2018已经结束 | $16155 | |
| Complete A New Genesis Block Of Pivx Clone. We Already Have Wallet Built | [链接已删除，请登录查看] | 2 | C 编程, .NET, C# 编程, 密码学, C++编程 | Apr 6, 2018 | Apr 6, 2018已经结束 | $1192 | |
| build me a exe to xlx converter fud | i need to a program that changes exe to xls that executes the exe when the xls document is opened | 9 | Python, 密码学, 编程, 编程 | Apr 6, 2018 | Apr 6, 2018已经结束 | $1263 | |
| Digital forensics report | Digital forensics report 3000 words with references, details will be provided | 16 | 计算机安全, 技术写作, 密码学, 网络管理, Computer Science | Apr 6, 2018 | Apr 6, 2018已经结束 | $729 | |
| 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 | 翻译, Photoshop, Illustrator, 密码学, Bitcoin | Apr 4, 2018 | Apr 4, 2018已经结束 | $188 | |
| 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: [链接已删除，请登录查看] The mobile app should support ISO & Android. If you have done similar mobile app, plea... | 42 | Mobile App Development, iPhone, 安卓, 密码学 | Apr 4, 2018 | Apr 4, 2018已经结束 | $6870 | |
| i need freelancer developer | we''re blockchain solution company in Malaysia looking for the freelance developer can worked together.. | 11 | 密码学, Blockchain | Apr 3, 2018 | Apr 3, 2018已经结束 | $1812 | |
| 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, 密码学, C++编程, Blockchain | Apr 2, 2018 | Apr 2, 2018已经结束 | $829 | |
| 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, 密码学, C++编程, Blockchain | Apr 2, 2018 | Apr 2, 2018已经结束 | $2598 | |
| 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 | 网络安全, 计算机安全, 密码学, , 汇编, 网络安全 | Apr 1, 2018 | Apr 1, 2018已经结束 | $133 | |
| 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, 电子商务, 密码学, HTML, 编程 | Apr 1, 2018 | Apr 1, 2018已经结束 | $20163 | |
| article publishing | we are running website related to bitcoin and looking for article writers in our table format.. we have useful admin section,,,, so just need to find and submit each review we will give Rs.40 sample : [链接已删除，请登录查看] | 5 | Article Writing, 评论, 密码学, Bitcoin, Ethereum | Mar 31, 2018 | Mar 31, 2018已经结束 | $122 | |
| Develop a Crypto Exchange & Trading Portal like IQ Option.com / Olymptrade.com | I need to start a Crypto exchange and trading business and need someone to develop the platform for me. Examples are IQ [链接已删除，请登录查看] and Olymptrade.com. There will be many related features and functionalities on this trade portal, that I will discuss further. I need it to be developed on the PhP/Laravel framework. Security parameters should be given top priority. | 31 | 网站设计, 软件构架, 密码学, Bitcoin, Laravel | Mar 30, 2018 | Mar 30, 2018已经结束 | $119466 | |
| Cyber Security Authentication Project | To prevent unauthorized users from accessing the 3G network and to maintain the confidentiality of 3G communication, the Third Generation Partnership Project (3GPP) has proposed a authentication and key agreement scheme which we name it 3GPP-AKA hereafter. It requires that mobile equipment (ME) pre- share a secret with its home network (HN). Before admitting ME to its network, a visited network (... | 1 | Javascript, Linux, 工程, 软件构架, 密码学 | Mar 30, 2018 | Mar 30, 2018已经结束 | $937 | |
| Custom Analytics and Visualization Website with Cryptocurrency | Looking for a expert regarding the best combination of front-end & back-end platforms for a website, which would allow users to perform custom queries and visualizations in the following scenario: - Website collects a large amount of time-series data from different sources (e.g., crypto, forex) and save them in a database. - Users of the website can access the database through an easy-to-use U... | 9 | 平面设计, 密码学, Blockchain, Ethereum, Data Analytics | Mar 29, 2018 | Mar 29, 2018已经结束 | $5748 | |
| Blockchain Trainer is Needed in Bangalore | We are looking for experienced trainers who could deliver 2-5 days trainings on Blockchain and Cryptocurrency all over India. Trainer should be based in Bangalore or South India. Trainer should be willing to travel. Trainer should have experince of delivering workshops and corporate trainings on Blockchain and Cryptocurrency. Good Payouts and Travelling + Accommodation and food will be provided. O... | 2 | 训练, 密码学, Bitcoin, Blockchain, Ethereum | Mar 29, 2018 | Mar 29, 2018已经结束 | $124 | |
| Mining pool for several crypto currency | Interested to receive an offer to build a mining pool for several cryptocurrency (litecoin, verge etc). Need a company who already made a similar project and not start from scratch. | 10 | 密码学 | Mar 28, 2018 | Mar 28, 2018已经结束 | $193 | |
| Legal & business professional who can join the board of Advisor role. | Hi, Our blockchain project is near to complete and we are looking for legal & business professional who can join the board of Advisor role. Positions vacant for legal , professional or marketing team. Candidates will be selected on merit bases. The successful candidates will have a mutual agreement with company | 10 | 法律, 市场, 密码学, 法律写作, Blog Writing | Mar 28, 2018 | Mar 28, 2018已经结束 | $16767 | |
| Highly Skilled Cryptocurrency and ICO promoter needed | Hello. First of all, I would like to introduce myself that I do work for different clients so keep in mind everyday task will be different but yes we will be on the crypto world so you must have to get good knowledge on Crypto and ICO marketplace even you should have some wallet account holder. By the way, your main task will be promoting ICO on forums blogs and other social media sites and yo... | 10 | 市场, 论坛发贴, Article Writing, 密码学, Bitcoin | Mar 28, 2018 | Mar 28, 2018已经结束 | $1114 |
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