Cryptography Jobs

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! Hire Cryptographers

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    70 jobs found, pricing in USD

    I would like to build a cryptocurrency trading platform like this ([login to view URL]). It is an automated market maker (AMM) — a decentralized finance (DeFi) application that allows users to exchange tokens, providing liquidity via farming and earning fees in return.

    $35 / hr (Avg Bid)
    $35 / hr Avg Bid
    9 bids

    Hello all, There will probably be several positions needed for this websites such as programmers, designers for beautiful UI, blockchain experts etc. This will probably be expensive but I'm doing it for a community project so trying to keep it on a budget as its one mid 20''s unemployed guy whose favourite coin just paying for it. I need you to build me a website ([login to view ...

    $4605 (Avg Bid)
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    25 bids
    Pancakeswap trading bot 6 days left
    VERIFIED

    Hi, I am Project Manager from Vietnam. I have pancakeswap trading bot development task within 5days from now. Deadline is very important. Guess that only experienced dev can do this within deadline. I have little budget for this at the moment. quote your reasonable budget. I will hire within 3hours from posting. Thanks regards. Put pancakeswap and coinmarketcap in your descriptions of bid. Fr...

    $218 (Avg Bid)
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    3 bids

    Need to make a trading bot. start your bid "Disney" otherwise will be ignored.

    $263 (Avg Bid)
    $263 Avg Bid
    11 bids

    I already have a BSC token made, need to tweak some of the features on the smart contract

    $170 (Avg Bid)
    $170 Avg Bid
    6 bids

    can u create ECR20 token to demo smart contract?

    $16 (Avg Bid)
    $16 Avg Bid
    5 bids

    Hello! I have already built token on ERC. Now i want to list that token into different exchanges. I am looking for experts who have already done the listing of token on different exchanges. Naveen V.

    $462 (Avg Bid)
    $462 Avg Bid
    2 bids

    Hello! I have already built token on ERC. Now i want to list that token into different exchanges. I am looking for experts who have already done the listing of token on different exchanges. Naveen V.

    $411 (Avg Bid)
    $411 Avg Bid
    1 bids

    We urgently need a coding/mathematical expert, who can help us, develop, archetect and build, our own completely new form of blockchain, that will be able to get full financial regulation, we intend to take "smart contracts" to the next level and actually make them, real and actually worth something! Secondly, our chain will be mutable, so in the event of a hack/loss/theft, we can rest...

    $24 / hr (Avg Bid)
    $24 / hr Avg Bid
    11 bids
    Build me an NFT 6 days left
    VERIFIED

    I'm looking for an expert in blockchain and programming to create a Non fungible token on the Ethereum Blockchain. The project would feature live elements which interact with certain parameters like time, date, day vs. night, Ethereum price and would also feature a calculator which would incorporate it real time few visual elements. I would like my designer to be able to make a live interfa...

    $690 (Avg Bid)
    $690 Avg Bid
    11 bids
    Build me a dAPP Casino 6 days left
    VERIFIED

    I'd like to build a dApp Casino for my BEP20(Binance Smart Chain) Token. The application must be able to work by authentication of wallet using trustwallet for my BEP20 token. The casino must be able to accept bets, settle bet payments exc.. There must be a few games that work like wink casino. roulette or dice exc.. Only take this project if you already have completed a project like this in ...

    $564 (Avg Bid)
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    17 bids
    Crypto Coin Developed 6 days left
    VERIFIED

    Looking to create DogeCoin replicate with larger mining pool. I do not have extensive knowledge in this area so I except you to be an expert in this area and can consult me on how this should be done. I know it will be built off Etherum network.

    $2294 (Avg Bid)
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    18 bids

    Create a digital currency It is a digital currency with a smart contract according to - Then the number of coins will be calculated by this operation: = GOW 190000000000 = the sum of the digital currency Every year a fixed number of currency is added at the rate: 0.001% of the total Each year = 1900000 GOW (We own the project partners are added to our portfolio)

    $206 (Avg Bid)
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    5 bids
    Translate Java code to Golang 5 days left
    VERIFIED

    I have some Java code (With AES Decryption) that I'd like translated into Golang

    $68 (Avg Bid)
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    10 bids

    Looking for a solidity developer to make a contract according to some needs on a cryptocurrency. It will be a fork of already current project with some modifications.

    $1373 (Avg Bid)
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    12 bids

    I made BEP20 token on BSC. I would need some help on phone/skype to verify my contract on bsscan and have few simple questions.

    $50 / hr (Avg Bid)
    $50 / hr Avg Bid
    1 bids

    Create a digital currency It is a digital currency with a smart contract according to - Then the number of coins will be calculated by this operation: = GOW 190000000000 = the sum of the digital currency Every year a fixed number of currency is added at the rate: 0.001% of the total Each year = 1900000 GOW (We own the project partners are added to our portfolio)

    $170 (Avg Bid)
    $170 Avg Bid
    2 bids

    I need to work with somebody who has knowledge on coding a crypto coin/token. To create an LP with wallets. I have the tokenomics already confirmed. The job isn't a large job and wouldn't take too much time, happy to bring someone in on the project in terms of ownership as well if it stacks up. I need you to be accessible and easy to talk with as its going to be as fast-paced as possible...

    $29 / hr (Avg Bid)
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    10 bids
    crypto ta and gem search 5 days left
    VERIFIED

    I am looking for someone who do TA for me to buy and sell signal also find gem on market to buy

    $2 - $6 / hr
    $2 - $6 / hr
    0 bids

    I would like to build a cryptocurrency casino that is able to accept deposits and withdrawal using my Bnb smart chain token.

    $702 (Avg Bid)
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    14 bids

    my files are hacked and convereted int0 .IGVM hence i need someone to decrpt the files or me

    $45 (Avg Bid)
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    1 bids

    I have an idea to lunch one cryptocurrency.

    $7666 (Avg Bid)
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    6 bids
    Build a crypto coin 4 days left
    VERIFIED

    Build a crypto coin based on ethereum

    $1083 (Avg Bid)
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    3 bids

    [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions], my computer files are attacked by hacker and now al of my files are converted into .IGVM .can anyone help me out on this

    $20 - $171
    $20 - $171
    0 bids

    i want platform similar to [login to view URL] [login to view URL] Where i can allow use to trade to buy , sell crypto Only Qualified developer please apply

    $23 (Avg Bid)
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    2 bids
    Assets Tokenization Platform 4 days left
    VERIFIED

    We want a Platform where users can Purchase Assets in shape of Tokens on Ethereum while creating small contracts and creating digital documents for the users to sign to buy a token, our main focus and concern would be high GAS fees on Ethereum for Token Transfers from one to other so we have some chains in mind will discuss with final candidates. PSDs are ready, all we need a team/person who can ...

    $2470 (Avg Bid)
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    26 bids

    I need a token contract generated and deployed on the Binance Smart Chain. I have the token functions and just need the source code to deploy them myself and we can test them on a test net. Thanks

    $104 (Avg Bid)
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    6 bids

    Hello I want to have the price chart for the token "SMRAT (Secured Moonrat)". Actually the best would be to have the same as [login to view URL] As i could analyze, they are taking the chart from [login to view URL], but i coudnt find there the token. Who can give me the price chart for this token? Thank you.

    $572 (Avg Bid)
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    7 bids
    Cryptography work 3 days left
    VERIFIED

    I need help in technical report and cryptography concepts. Ping me if you can help. I will share the details in chat.

    $32 (Avg Bid)
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    3 bids

    Hi, I need someone with good JS knowledge(with cryptography knowledge) to help me decrypt API data of a certain website. Only contact if you have worked with [login to view URL]() module. Don't waste your time and mine if you haven't ever worked on the above module.

    $758 (Avg Bid)
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    3 bids

    Job Role - Design, architect and implement projects in cryptography - Extensive knowledge of programming languages - Expertise in creating fast and reliable solutions - Creating application features and interfaces by using programming languages and writing multithreaded codes. Preferred Skills - 3+ years of experience as a Developer - Experienced c++ developer - Knowledge and experience is a ...

    $2880 (Avg Bid)
    Featured
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    4 bids

    i have my own software for class playing purposes...I want to check my software security

    $137 (Avg Bid)
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    8 bids

    i want to develop my own block chain and crypto currency. can someone with knowledge in this help with it DO NOT BID IF U DONT HAVE INDEPTH KNOWLEDGE. DO NOT BID IF U CANT MOST OF CRYPTO CURRENCY are built in short period so don't ask for months or more fund

    $563 (Avg Bid)
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    3 bids

    find out details about telegram scamm accounts..

    $40 (Avg Bid)
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    1 bids

    We want a bep20 token with a burn & tax function

    $50 / hr (Avg Bid)
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    7 bids

    Pow coin. X15 $200 creation. i am looking for only alt coin creation with my logo and name to possibly list on exchange. I have website to host nod however not familiar with crypto as much or x11 $350

    $470 (Avg Bid)
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    15 bids

    We have a business idea that would benefit millions of consumers. But we are short of funds. Looking to find someone who can help us understand how CryptoCurrency works and how we can use it to generate funds for our project. Please start your bid with the word "Prateek" (its my name) so I know you read the description. If you don't know the process of generating money by creating a...

    $522 (Avg Bid)
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    4 bids
    Trophy icon Crypto Token Consutancy 19 hours left

    There a smart contract I have questions on, the contact is paired with bnb, and and BEP20 token. Points top check through the code : - Deflationary function does not work. - Is burning active? - The price is detoriated somehow on pancake. Need to look into opportunities. The award is to collect offers for consultancy. Then a new project will be opened with the exact amount of the suitable option.

    $10 (Avg Bid)
    Guaranteed
    $10
    2 entries

    Anyone who can create an ERC20 Token and a Wallet WebApp (Exchange) where users can buy and sell the Token as well. The wallet app should allow users to buy this token using various payment methods like bitcoin etc. and fiat currencies. The webapp must have two factor authentication and the code must be secure. The user should be able to send Tokens to other Wallet address and be able to receive T...

    $553 (Avg Bid)
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    20 bids
    I need a genius at unity 2 days left
    VERIFIED

    I have a unity game that is much like minesweeper I am looking for a developer to add etherium payments to the game smart contracts Game will be ported to pc Must understand gaming and etherium I have code for game

    $740 (Avg Bid)
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    19 bids

    The project is built but needs some updating and adding some new features [login to view URL] want to develop a private message called honey pots that you send back and forth to friends But payment system in crypto so etherium I need someone to set up the smart contracts for this user pays gas fee to send coded messages I need both the secret messages and payment system

    $582 (Avg Bid)
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    9 bids
    Need PHP Expert 2 days left
    VERIFIED

    We need a PHP expert to build a custom script. Laravel experience is +. Details will be discussed in chat. Thanks

    $127 (Avg Bid)
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    36 bids

    Needs to be mentioned on Telegram, Twitter, Instagram, YouTube, reddit, tiktok and FB. Only contact if you have experience and mention the word elon musk in your bid thanks.

    $105 (Avg Bid)
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    8 bids

    We need a solidity developer to review a smart contract and give us pointers on pancake swap liquidity pools. The contract is similar to safemoon and we are using pancake swap router v2. (Contract is already live) This contract can be redeployed and we know exactly we are looking for, the error is related to adding liquidity to the pool, we are trying to pair 750 trillion tokens with 50 bnb. We a...

    $256 (Avg Bid)
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    9 bids
    binance smart chain developer 2 days left
    VERIFIED

    I need you to develop some software for me. I would like this software to be developed.

    $196 (Avg Bid)
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    11 bids

    We willing to develop our own cryptocurrency coin, wallet, exchange for crowd sale. Company/Developer should enough experience to fulfill our requirement and complete project in given timeline by using most safest method and technology. We need to have guidance as well to provide one of the best crypto coin to the consumers

    $24726 (Avg Bid)
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    4 bids
    build a website 1 day left
    VERIFIED

    i want a detailed cryptocurrency exchange site any successful bidder will be require to submit a demo for viewing before proceedeing

    $1177 (Avg Bid)
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    50 bids

    Get me a Cryptocurrency built on ETH and BSC and PanCake swap

    $28963 (Avg Bid)
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    2 bids

    We need to check my mob. Security as well as mobile protection protocol because we can having some sucure data so we to identify no one hacker can hack my mobile and it just testing purpos any person has hacked my mob. Are not

    $114 (Avg Bid)
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    4 bids

    We need to check my mob. Security as well as mobile protection protocol because we can having some sucure data so we to identify no one hacker can hack my mobile and it just testing purpos any person has hacked my mob. Are not

    $60 (Avg Bid)
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    3 bids

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