Mật mã Công việc và cuộc thi

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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Dự án/Cuộc thi Mô tả Lượt đặt giá/Bài dự thi Kĩ năng Bắt đầu Kết thúc Giá (VND)
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. 22 PHP, Mật mã, MySQL, HTML, Bitcoin Apr 20, 2018 Hôm nay6n 20g ₫2128370
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... 6 Javascript, Lập trình C#, Mật mã, MySQL, Blockchain Apr 20, 2018 Hôm nay6n 15g ₫3000000
Make an ICO and ERCfund [url removed, login to view] 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 removed, login to view] 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 14 PHP, Kĩ thuật, Illustrator, Mật mã, Blockchain Apr 20, 2018 Hôm nay6n 15g ₫62409091
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 Điện tử, Vi điều khiển, Kiến trúc phần mềm, Mật mã, Programming Apr 19, 2018 Apr 19, 20185n 16g ₫486568182
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 13 Thiết kế đồ họa, Thiết kế logo, Mật mã, Blockchain Apr 19, 2018 Apr 19, 20185n 14g ₫22132527
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 5 Mật mã, Bitcoin, Ethereum Apr 19, 2018 Apr 19, 20185n 9g ₫7363636
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 removed, login to view] Please respond directly with any questions such as specific mining software and such. 8 Lập trình C, Verilog / VHDL, Mật mã, OpenCL, FPGA Apr 17, 2018 Apr 17, 20183n 23g ₫52545455
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... 1 Python, An ninh máy tính, Mật mã, Ruby, Growth Hacking Apr 17, 2018 Apr 17, 20183n 18g ₫3522727
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. 6 An ninh máy tính, Mật mã Apr 17, 2018 Apr 17, 20183n 16g ₫19003404
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 removed, login to view] says as follows: ERROR: CheckBlock() : first tx is not coinbase ERROR:... 3 Linux, Mật mã, Bitcoin, Ubuntu, Ethereum Apr 16, 2018 Apr 16, 20183n 2g ₫14954545
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, An ninh máy tính, Mật mã Apr 16, 2018 Apr 16, 20182n 20g ₫775743
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 Mật mã, Bitcoin Apr 16, 2018 Apr 16, 20182n 20g ₫28272727
SEO Article on Ontology Need someone who knows Ontology Network in depth. Looking for long term writer. 4 Thiết kế trang web, Mật mã, HTML, Bitcoin, Blockchain Apr 16, 2018 Apr 16, 20182n 13g ₫750000
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. 12 Mật mã, Blockchain, Ethereum Apr 15, 2018 Apr 15, 20181n 19g ₫20954545
ERC20 creation I am looking for ERC20 token develop for me. 2 Mật mã Apr 15, 2018 Apr 15, 20181n 18g ₫2909741
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, Mật mã, Bitcoin, Blockchain, Ethereum Apr 15, 2018 Apr 15, 20181n 11g ₫3122392
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 Kĩ thuật, Matlab and Mathematica, Thuật toán, Mật mã, Toán học Apr 14, 2018 Apr 14, 201819g 35t ₫28295455
Need a crypto dev for a game You must be an experienced developer in cryptos. You must have worked in cryptos before. You will do backend and frontend. You must have experience with design. You will have to edit casino scripts too, so you must have knowledge in casinos games. Cryptos experience : BTC ETH LTC BCH XMR DOGE NANO NEO VERGE VEN OMG XLM Not interested to use 3rd party site as gateway to manage deposit / wit... 21 PHP, Javascript, Mật mã, Bitcoin, Ethereum Apr 14, 2018 Apr 14, 201811g 14t ₫149420147
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 Thuật toán, Kiến trúc phần mềm, Mật mã, Lập trình C++, Full Stack Development Apr 14, 2018 Apr 14, 201810g 59t ₫863636
Convert BlockChain Database from LevelDB to BerkeleyDB Write a conversion C++ script to convert the Ethereum Database that has 5.3M Blocks to the new BerkeleyDB structure and run on our Server. You Need to Know 1. The Structure of the Ethereum Database which is in LevelDB 2. Then study the Graphene Blockchain Database which is in BerkeleyDB. The Blockchain Database that you are converting to is open source at: [url removed, login to view] ... 19 Kiến trúc phần mềm, Mật mã, Lập trình C++, Ubuntu, Blockchain Apr 13, 2018 Apr 13, 2018Đã kết thúc ₫12300466
ERC 20 Token for ICO with contract I need an ERC-20 token created with contract and must be verified on etherscan. will give you details of token in chat. ***ONLY BID if you have created tokens before 27 Mật mã, Bitcoin, Blockchain, Ethereum Apr 11, 2018 Apr 11, 2018Đã kết thúc ₫16435289
Cyber security related topic ideas Cyber security related topic ideas, something related to security of internet of things and smart grids 25 An ninh máy tính, Research Writing, Mật mã, Bảo mật Internet, Penetration Testing Apr 11, 2018 Apr 11, 2018Đã kết thúc ₫779161
i need a software programmer we are a new startup company looking for a team leader to start a mobile encryption software, 7 Mật mã Apr 11, 2018 Apr 11, 2018Đã kết thúc ₫1298681818
crypto coin block chain based cryptocurrency . 13 Mật mã Apr 7, 2018 Apr 7, 2018Đã kết thúc ₫46818182
BLOCKCHAIN/dApps development company This project is strictly for teams and companies with demonstrable proof of work force with profiles and proof of projects by Github accounts and live projects. Blockchain/dApps are becoming very popular in Nigeria, especially at the enterprise level and I often get requests from within and all over the world to manage such projects. I require a team/company to develop for me when I get these p... 17 Mật mã, Blockchain, Ethereum Apr 7, 2018 Apr 7, 2018Đã kết thúc ₫17477273
Complete A New Genesis Block Of Pivx Clone. We Already Have Wallet Built [url removed, login to view] 2 Lập trình C, .NET, Lập trình C#, Mật mã, Lập trình C++ Apr 6, 2018 Apr 6, 2018Đã kết thúc ₫3454545
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, Mật mã, Coding, Programming Apr 6, 2018 Apr 6, 2018Đã kết thúc ₫3659091
Digital forensics report Digital forensics report 3000 words with references, details will be provided 16 An ninh máy tính, Viết kĩ thuật, Mật mã, Quản trị mạng, Computer Science Apr 6, 2018 Apr 6, 2018Đã kết thúc ₫2113262
Cryptography Mathematics & Blockchain Advisor Please review our project: [url removed, login to view] Let us know how you can best contribute to this incredible project. Our Vision A digital economy where consumers can buy goods and services with any cryptocurrency at their favorite merchants. A place where visionaries and creators can collaborate to launch innovative distributed applications in a world that relies on trustless transact... 13 Mật mã, Blockchain Apr 4, 2018 Apr 4, 2018Đã kết thúc ₫340909
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 Dịch thuật, Photoshop, Illustrator, Mật mã, Bitcoin Apr 4, 2018 Apr 4, 2018Đã kết thúc ₫545455
Yiimp Pool Installation Need yiimp pool install to ubuntu server please give bid with your sample yiimp site 5 Linux, Mật mã, Bitcoin, Ubuntu Apr 4, 2018 Apr 4, 2018Đã kết thúc ₫454545
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 removed, login to view] The mobile app should support ISO & Android. If you have done similar m... 42 Mobile App Development, iPhone, Android, Mật mã Apr 4, 2018 Apr 4, 2018Đã kết thúc ₫19909091
i need freelancer developer we''re blockchain solution company in Malaysia looking for the freelance developer can worked together.. 11 Mật mã, Blockchain Apr 3, 2018 Apr 3, 2018Đã kết thúc ₫5250000
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, Mật mã, Lập trình C++, Blockchain Apr 2, 2018 Apr 2, 2018Đã kết thúc ₫2403685
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, Mật mã, Lập trình C++, Blockchain Apr 2, 2018 Apr 2, 2018Đã kết thúc ₫7529254
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 An ninh Web, An ninh máy tính, Mật mã, , Lắp ráp, Bảo mật Internet Apr 1, 2018 Apr 1, 2018Đã kết thúc ₫386364
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, Mật mã, HTML, Programming Apr 1, 2018 Apr 1, 2018Đã kết thúc ₫58431818
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 : [url removed, login to view] 5 Article Writing, Đánh giá, Mật mã, Bitcoin, Ethereum Mar 31, 2018 Mar 31, 2018Đã kết thúc ₫352720
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 [url removed, login to view] 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 Thiết kế trang web, Kiến trúc phần mềm, Mật mã, Bitcoin, Laravel Mar 30, 2018 Mar 30, 2018Đã kết thúc ₫346215981
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, Kĩ thuật, Kiến trúc phần mềm, Mật mã Mar 30, 2018 Mar 30, 2018Đã kết thúc ₫2716294
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 Thiết kế đồ họa, Mật mã, Blockchain, Ethereum, Data Analytics Mar 29, 2018 Mar 29, 2018Đã kết thúc ₫16659091
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 Đào tạo, Mật mã, Bitcoin, Blockchain, Ethereum Mar 29, 2018 Mar 29, 2018Đã kết thúc ₫358191
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 Mật mã Mar 28, 2018 Mar 28, 2018Đã kết thúc ₫560407
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 Pháp lý, Tiếp thị, Mật mã, Viêt văn bản quy phạm pháp luật, Blog Writing Mar 28, 2018 Mar 28, 2018Đã kết thúc ₫48590909
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 Tiếp thị, Đăng bài lên Forum, Article Writing, Mật mã, Bitcoin Mar 28, 2018 Mar 28, 2018Đã kết thúc ₫3227273
Develop a Crypto Exchange & Trading Platform I planned to launch a Crypto exchange and trading business and need someone to develop the platform for me. Examples are [url removed, login to view], [url removed, login to view], [url removed, login to view], [url removed, login to view], coinbase.com. There will be many different features and functionalities on this site, but I want to get the basics in place first. Will keep enhancing after th... 30 Thiết kế trang web, Kiến trúc phần mềm, Mật mã, Bitcoin, Laravel Mar 27, 2018 Mar 27, 2018Đã kết thúc ₫46328648
linux-OpenSSL Crypto Lab Hello, I'm looking for someone can help me on cryptography lab. as soon as possible thank you 4 Linux, Mật mã, OpenSSL Mar 26, 2018 Mar 26, 2018Đã kết thúc ₫425743
Create different cryptocurrencies Please bid to this project only if you have previous experience in making altcoins. We are looking to create a new cryptocurrency and need an experienced developer that can develop and update our coin and those of our customers. This should be very straightforward for someone with experience in C hence the size of the project. This project is nothing fancy, just taking the source code and chang... 29 Lập trình C, Lập trình C#, Mật mã, Lập trình C++, Bitcoin Mar 26, 2018 Mar 26, 2018Đã kết thúc ₫41512203
Cryptography for text file Looking for expert in cryptography to help to change e text file digitally signed. The file contain readable text in tab format and at the of file this the digital signature and Wherever i change any text or edit the file the system do not accept this file and I message that the file is not digitally signed. 2 Mật mã Mar 25, 2018 Mar 25, 2018Đã kết thúc ₫4454545
Monero/Cryptonote Fork experience You MUST have good experience in Monero/Cryptonote code. This is an absolute MUST! This job is not to learn on the job, don't just bid you work with C++ I need a developer with firsthand experience in Monero or CryptoNote only. Note: We have a bug with minimum fees after changing money supply. For the right develoepr this should be a reasonable quick fix. If you do this well i will have mo... 12 Mật mã, Lập trình C++, Blockchain Mar 25, 2018 Mar 25, 2018Đã kết thúc ₫29750000
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