Cryptography jobs

I need ecrecover solidity function with return the publicKey Resources: [login to view URL] Javascript: /** * ECDSA public key recovery from signature * @param {Buffer} msgHash * @param {Number} v * @param {Buffer} r * @param {Buffer} s * @return {Buffer} publicKey */ [login to view URL] = function (msgHash, v, r, s) { const signature = [login to view URL]([[login to view URL](r, 32),...

I need Base58Check solidity function Resources: [login to view URL] [login to view URL] [login to view URL]

Only the developers who already executed similar work successfully can contact me and work on this project. Must be finished within 1 day.

I need a new website. I need you to design and build my online store. Cloud mining website with all panels...

Purpose: The purpose of Goldrium is to introduce a fastest PCI compliant coin which incorporates Ripple and Etherum main functionalities. Process payments, settle bank transaction, and people can create ICO on your platform. The coin should be self-reliant with its own algorithm and ecosystem. These are initial features but we will be constantly adding new features to compete with all coins includ...

implmenting a tutorial on internet to build a cryptocurrency from scratch using python. Instructions are in a couple of blogposts .

I want a simple website with latest graphics with public site page, member login, admin login, superadmin login, this site should also accept cryptocurrency payments.

This platform will allow property agents to co-broke and communicate with each other through the website and mobile app

The protocol is implemented using ECC based PKI scheme. I have to evaluate the scheme in terms of complexity (operations in each phase) and security (how it will resist certain attacks)

Hi I need very high skilled PHP dev, i have project and i would like to hire someone to do it. Only experts please. Main things you must be aware of : 1- PHP (Core). 2- Integrates encryption such as RSA pgp. 3- integrate obfuscation. 4- Yubikey Integration. 5- Dealing with OpenVPN in PHP. 6- expert in linux. 7- YOU MUST CODE IN SECURE( no sql injection or xss or csrf or xpath issues ). And othe...

I require a cryptocurrency created, based on the latest codebase for Bitcoin. This must be fully tested and working before being released. The blockchain keys are to be handed over to me including the Github account from which it is setup. This is to include; - Fully working Atomic Swap and Lightning Network - Masternodes, PoW and PoS - Block explorer - Zerocoin Protocol - Testnet - Fully worki...

Need help installing peatio on server and also need to be taught how to add additional currencies.

I need Ethereum payment Accept system. like as a [login to view URL] system. if you have any question please ask me. Thanks

i want to write crypto related articles . so please bid 100 words how much you need. this is . long term relationship... thanks

I require an ecommerce site that works similar to a crowdfunding platform for the top 1000 twitter users - [login to view URL] Each user will have a price displayed (calculated by # of twitter followers) and 1,000,000 tokens available for purchase at this price. Payments are not charged until all 1,000,000 tokens are sold (through stripe crowdfunding configuration- [login to view URL]). Each tok...

I need someone to write latest news articles on crypto currency world on regular basis. Articles can be picked up from various crypto news sites (like [login to view URL], [login to view URL], [login to view URL] etc) and re-written to pass the copyscape professional. Each article should be approx 500-700 word length, informative and interesting, A writer with good writing style will be engaged re...

I need very high skilled c/c++ and assembly developer. You must have very deep knowladge in Windows API . You must Can develop all what i need from scratch , NO COPY any code from the internet. You must be able to write from scratch a socket modules as well as its encrypted. You must have very good knowladge in cryptography. You must have very good knowladge in VNC. Please read before you bid , i...

we need a python developer for a fintech project.

Blockchain developer for a Pre-ICO smart contract

As name says i need a mobile developer for a project i need. cloning or making a new crypto currency mobile wallet, Experienced dev needed, bid and we will talk.

Hello!! We are looking for some technical writer who is well-versed with Cryptocurrency and who can write a 50 page whitepaper for our business. Feel free to ask your queries, in general and specific to the ICO whitepaper writing. Look forward to see lots of bid. Regards,

We have requirement for Golang Dev. for ongoing project , we need expert gophers with extended knowledge of cryptography and cryptocurrency Regards

Good day, We want a cryptocurrency exchange platform to start with. We want to offer a Buy/sell system P2P same as etherdelta. - Wallet System, Deposit System, Wallet Transactions, Withdrawal system and so on... The design is also ready, you need to develop a smart contract and need to connect with design. Please apply only if you have done such kind of work before and have a strong...

We have upcoming coin offering, in couple of month, and looking for marketing expert to strategize to help us. Key Tasks 1 . Announcing our coin on forums like bitcointalk and reddit 2. Running the airdrop 3. Bounty Rewards and execution

We are looking for a developer to who can develop BIT SHARES EXCHANGE Custom Development.. lower bid will win this project..

Hello, I am CTO on cryptocurrency business company. I am looking for promising patrner can cooperate with me. We are gonna support all financial burdens until candidates graduate from college. Thank you.

i need expert in ethereum development for apps and games and tokens projects is deferent with deferent budget so we first talk

I need market depth chart for digital currency USD/BTC. Similar to the one can be found in left bottom corner in this page. [login to view URL] You can use any library to get the same result, but it should work smoother. Please share the sample URL if you already have done this before.

Hi developers, we are on hunt to find a developer to develop a blockchain based email system. it will be private blockchain so no coins or tokens involved. we need smart developers for this project. this is an EOI at the moment. further details in message. before you bid, please tell us your experience with blockchain(no cryptocurrency) and thoughts about the projects(any suggestions or questi...

I need an Experienced writer who can write blogs on Cryptocurrencies and BlockChain news. About coins, tokens, guide, events. Will provide you the topics. Please bid if you can start right now. Native only.

we have created a coin and we want some help with our mining pool (the pool will be for our coin only )

We are looking to develop "Cryptocurrency P2P Decentralized Exchange Website" with tokens/coins and currencies with liquidity and safety which must be cloud-based. Looking for if somebody having a ready solution and modify that based on our need. I have multiple similar projects so looking for serious and long-term basis cryptocurrency & exchange developer. I will do 100% pa...

i have a file in format of msg.db.crypt12.

I need a teacher or someone who wants to teach me some CNO , CNA , CNE

Security evaluation of an existing cryptogrphic system

Run distribution partnership program for OTC Exchange Crypto /Fiat Market Co-Branding opportunity for qualified Crypto-Currency Traders Develop new features for our payment processing operations and digital cash trading desk Skill Set Know-how in dealing with institutional clients based in Eastern Europe & Southeast Asia Professional skills in Anti-Money-Laundering compliance of cross...

I need to Modify an Erlang program Must have expertise knowledge of Erlang

Нужно настроить рабочее место для госуслуг под юридическое лицо и заказать услугу.

Urgently need an ERC 20 ICO token created for ICO. Must be able to do in 1 day.. only BID if you have created ICO tokens, with bonus etc...

I need a Crypto expert for my current projects. If you have knowledge please bid. Details will be shared in message with the freelancers.

Recover bitcoin private key

Guys i am looking to hire someone for long term with following skill sets. Standards:- CCID | IDAS | PKI | FOAS | TOTP | HOTP | OCRA | FIDO ALLIANCE UF2 & UAF | ISO 7816 | X509 CERTIFICATE CRYPTOGRAPHY:- RSA | AES | DES | SECURE HASG ALGORITHM | PKI | SIGNATURES | CERTIFICATE | CERTIFICATE CHANING BLOCKCHAIN :- You should be able to setup Blockchain application and bind it with our Mo...

Have to implement a research IEEE paper. "Detecting documents forged by printing and copying"

The new Bytom coin uses a brand new algorithm called Tensority, a new PoW consensus algorithm,where matrix and tensor operations are introduced into the hashing process. We are interested in getting this algorithm integrated to our Yiimp stratum servers. Any one up for the task?

I need a new website. I need you to design and build it.

Need someone to manage telegram group of 100k people. He should be able to raise topics, greeting new comers, spread news/messages, educating peoples, answering questions. Anything that building a community needs

I need a developer with a knowledge of cryptocurrency mining to write a batch script that sets up and starts a mining process with many GPUs.

installation wordpress template in our server and xampp

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...

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...