Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting.

Zaměstnat Blockchain Developers

Filtrovat

Moje poslední hledání
Třídit podle:
Rozpočet
pro
pro
pro
Typ
Dovednosti
Jazyky
    Stav zakázky
    29 zakázek nalezeno, ceny v EUR

    I am in need of a Telegram Cryptocurrency trading bot which is multi-user and has a web interface. It would need 3 different permissions: 1. Potential Investor - People who have signed up to see the results but have not joined yet 2. Investors - People who have signed up for an account by paying a monthly fee 3. Traders - Where traders would enter trades to be copied into investor's accounts...

    €20 / hr (Avg Bid)
    €20 / hr Průměr. nabídka
    7 nabídky

    CLOUD TOKEN WALLET VALIDATED - VERIFIED - APPROVED by World Blockchain Forum All info will be found here: [pro zobrazení URL se přihlaste] We are looking for candidates with a real connection to the crypto community both online and offline. Ability to share our vision with its audience will be considered an advantage. Also, to have telegram or WhatsApp active channel, or any social net...

    €9 / hr (Avg Bid)
    €9 / hr Průměr. nabídka
    6 nabídky

    I have a Ethereum smart contract that's completed. I need the code checked for any security issues and have them fixed. I also need to make sure the smart contract functions exactly as it's supposed to

    €153 (Avg Bid)
    €153 Průměr. nabídka
    6 nabídky

    I want to build a simple hyip site.

    €419 (Avg Bid)
    €419 Průměr. nabídka
    57 nabídky
    Smart contract on Blockchain 5 dní left
    OVĚŘENÉ

    Hello I am looking for developer that will help to create smart contract that will be sending some amount of tokens by specific amount of cryptocurrency. Please, send me information in which blockchain do you have experience. It would be nice to hear something about you past projects with blockchain technology.

    €12 / hr (Avg Bid)
    €12 / hr Průměr. nabídka
    23 nabídky
    Frontend expert 5 dní left

    I am seeking someone who can combine ipfs and cryptopad node module

    €490 (Avg Bid)
    €490 Průměr. nabídka
    12 nabídky
    Changes to website 4 dní left
    OVĚŘENÉ

    Changes to laravel website needed

    €85 (Avg Bid)
    €85 Průměr. nabídka
    69 nabídky

    For my project I am looking for developers with a lot of experience in the following fields: -> application development (iOS, Android, Windows) -> blockchain / encryption -> cloud based services -> highest data security (e.g. GDPR)

    €3858 (Avg Bid)
    €3858 Průměr. nabídka
    74 nabídky

    I am planning to create a web based portal and hybrid mobile applications for users to buy and sell tickets for events around the globe. And the portal should be based on blockchain. Google for blockparty for a reference. Download and install the apps to check their functionality. I am going to create something very similar to that. Leave your name on top of our proposal otherwise it would be reg...

    €1168 (Avg Bid)
    €1168 Průměr. nabídka
    60 nabídky
    Tron Smartcontract 4 dní left
    OVĚŘENÉ

    A Tron Smart contract which would be u used for Initial Token offering. The token will be used for raising funds to build a Casino and in the future, it will be used in a future and derivative crypto exchange. An escrow service will also be built. The smart contract should have 2 things, one for a PRE-ITO sale and another for ITO. It could just be a single contract where the price can be cha...

    €436 (Avg Bid)
    €436 Průměr. nabídka
    3 nabídky

    Using [pro zobrazení URL se přihlaste] [pro zobrazení URL se přihlaste] formerly byteball; Using the sto-bot git, create a bot that allows us to create and sell assets, verify users are accredited (it's in the git out of the box, must be configured), allow users to create assets, allow users to pay via the obyte app allow other things in the spec. Must be node.js, javascript e...

    €5387 (Avg Bid)
    €5387 Průměr. nabídka
    37 nabídky

    Dear All, I want to add API to our website to accept cryptocurrency via [pro zobrazení URL se přihlaste] Simple page required to call api and get response, no database required. Should be in PHP and should be very simple Please if you do not have any experience with blockchain do not bid. Please if you did not do project like this do not bid. Please do not bid over our budget, if you do not...

    €139 (Avg Bid)
    €139 Průměr. nabídka
    10 nabídky
    Blockchain Fork Particl.io 3 dní left
    OVĚŘENÉ

    Looking for someone who can fork and build a chain with Particl.io. Need to implement full chain and custom code as well premine, explorer building. [pro zobrazení URL se přihlaste]

    €313 (Avg Bid)
    €313 Průměr. nabídka
    4 nabídky
    Wallet for cryptocurrenct 3 dní left
    OVĚŘENÉ

    wallet for cryptocurrency like bitcoin, bitcoin cash, etc transaction charge/ commission deduction as profit. quick internal transfers (instant)

    €625 (Avg Bid)
    €625 Průměr. nabídka
    5 nabídky
    Blockchain on WordPress 3 dní left
    OVĚŘENÉ

    Hi, I am looking for someone who can help me with blockchain storage of documents with timestamp through WordPress and Gravity forms.

    €142 (Avg Bid)
    €142 Průměr. nabídka
    13 nabídky
    Built Stellar ICO token 3 dní left
    OVĚŘENÉ

    Functions needed a. Able to issue dividend in another token b. freeze function to allow owners to stop the trading of token c. Timelock to lock token from being trade in the initial months after ICO d. Dividend issue function (optional) e. Need to includes deployment in Horizon f. Development in Golang language g. Possible future fixing of token supply h. Decimals in strop (0.0000001)

    €574 (Avg Bid)
    €574 Průměr. nabídka
    11 nabídky

    Hey! I have a ERC20 token and need to list our ICO on some exchanges for fundraising . In your bid please provide examples of how it could look from your previous jobs with ICO projects . I will only hire you if you have experience with ICO or IEOs. payment based only on success after token listed and ICO / IEOs got officially listed . we add a performance bonus that will be calculated by : 10%...

    €424 (Avg Bid)
    €424 Průměr. nabídka
    9 nabídky
    list our token on exchanges 2 dní left
    OVĚŘENÉ

    we intend to list our token on exchanges can be made by ico our IEOS HERE COMES OUR WEBSITE : [pro zobrazení URL se přihlaste] payment based on funds rising performance and it will be 10% of raised funds total no payment in advance

    €423 (Avg Bid)
    €423 Průměr. nabídka
    8 nabídky
    blockchain 2 dní left

    I am looking for a blockchain and python expert. best regards. NO ASIAN!!!

    €3455 (Avg Bid)
    €3455 Průměr. nabídka
    17 nabídky

    We are working with the City of London and Renewable energy resource providers in the UK to create a cost efficient Bitcoin Mining Farm. We are looking for experts in the Bitcoin industry who have expertise at setting up and running a Bitcoin Mining Farm. We are looking for about 4 experts to be part of the panel who advice our company The Bitcoin Mining Company Limited based in London England...

    €31 / hr (Avg Bid)
    €31 / hr Průměr. nabídka
    13 nabídky

    Hello, We are working on the platform where we are inserting offline transaction into the permission-based blockchain using zero-knowledge proof. We are looking for a developer who has good knowledge of react-native, Also, the person should have blockchain development knowledge. We are only looking for an individual. Requirements: - Should have knowledge & experience of permission blockchai...

    €30 / hr (Avg Bid)
    €30 / hr Průměr. nabídka
    42 nabídky
    Smart contract 1 den left

    I need a ​smart contract for an ICO based on ERC20 token

    €194 (Avg Bid)
    €194 Průměr. nabídka
    23 nabídky

    I want an android app which will show current crypto currency price in notification bar similar to this app Bitcoin checker link here [pro zobrazení URL se přihlaste];hl=en_IN for three exchanges bittrex binance and bitfinex

    €99 (Avg Bid)
    €99 Průměr. nabídka
    10 nabídky
    USDT Omni HD Wallet 1 den left
    OVĚŘENÉ

    1. Generate many usdt address for deposits in a simple web application 2. All usdt are consolidated in one main address for transfer to other usdt address 3. Verify deposits completion for the many usdt addresses

    €1041 (Avg Bid)
    €1041 Průměr. nabídka
    11 nabídky

    We have a good project with real product. now we are looking for a good person who are famous in Blockchain and Crypto world to be a member of team, we need their good profile in Twitter or Linkedin. Please contact if you are the person who can be like this. Thanks!

    €3519 (Avg Bid)
    €3519 Průměr. nabídka
    33 nabídky

    Dear Freelancer, We are looking for an trading algorithm which via API can be connected to cryptocurrency exchanges. The software will be used for MarketMaking services. Please only experienced freelancers with a track record.

    €30 / hr (Avg Bid)
    €30 / hr Průměr. nabídka
    16 nabídky

    Hi, I am Sumanth, I am doing Masters at a UK based University, I need a blockchain developer for my Idea of my thesis, I have all the background knowledge of my project but I am lacking at the programming skills as I am not from the programming background. My project is about energy transactions with blockchain

    €92 (Avg Bid)
    €92 Průměr. nabídka
    10 nabídky
    Add 3 features to core php wesite Končící left
    OVĚŘENÉ

    1) In existing assigning plans page, let Admin can assign plan without time limitation . 2) Increase the newsletters number can Admin send by configuring stmp. 3) Display specific concerned pages parts ( instead of top page ) when user redirects. 4) Create (connect with us) link pages to facebook, tweeter and google

    €93 (Avg Bid)
    €93 Průměr. nabídka
    65 nabídky

    I am looking for a professional Whitepaper for my project. 10Pages+ with good market research, included some economics with references and Charts. Road Map etc. I will give you around 30% of the info I already have with an overview of the product. Knowledge of Token sales important and how to include it in the Whitepaper. High-level Knowledge of following is needed: - Blockchain - Ethereum - S...

    €186 (Avg Bid)
    €186 Průměr. nabídka
    32 nabídky

    Nejlepší články z komunity Blockchain