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. Ansæt Blockchain Developers

Filtrér

Mine seneste søgninger
Filtrer ved:
Budget
til
til
til
Slags
Evner
Sprog
    Job-status
    41 jobs fundet, i prisklassen EUR

    Decentralized Cryptocurrency exchange like Crypto Bridge. Basicly is the same but with my brand and using a specific coin, mine to pay the fees. I also want to add any new coins that I need at any time

    €1679 (Avg Bid)
    €1679 Gns Bud
    21 bud
    €530 Gns Bud
    5 bud
    Marketplace 6 days left

    Looking for a dev to rebrand decentralized market place like openbazaar

    €443 (Avg Bid)
    €443 Gns Bud
    12 bud
    Develop MasterNode Coin 6 days left
    VERIFICERET

    Develop Master node coin like a DASH. Complete setup - "WARNING" Before starting please write everything ho you going to work and how long does it take?

    €4308 (Avg Bid)
    €4308 Gns Bud
    15 bud
    Escrow for cryptocurrency 6 days left
    VERIFICERET

    Hi. I am looking for someone who can create a similar site like escrow.com in function but users will pay with some cryptocurrency like bitcoin, litecoin, .. Please contact me if you think you can do it the best.

    €715 (Avg Bid)
    €715 Gns Bud
    17 bud

    I have an innovative project involving an industry which has not been touched by smart contracts so far and is only starting to gain ground in terms of Blockchain. Early Mover advantage and solves a major problem faced nowadays. Solution, concept and idea was conceived a couple of weeks ago. Selected for a Validator Programme with a local government organisation which helps start ups in the blockc...

    €2653 (Avg Bid)
    €2653 Gns Bud
    20 bud
    €337 Gns Bud
    10 bud

    So basically, we are expecting 1500-2000USD for whole project deliever. Web is needed. 1) if you have done similar work and have template, it will be good 2) If you know online source to buy, it's also good 3) If you have smart contract experience in both EOS and ETC it's good 4) we consider, working timezone, if you can work on UTC-5, it's bonus 5) Timeline is 1-1.5 months, whole p...

    €1785 (Avg Bid)
    €1785 Gns Bud
    12 bud

    Existing Cryptocurrency needs a wallet update fork with all existing transactions. Must have experience in blockchain development and forking existing cryptocurrencies.

    €2319 (Avg Bid)
    €2319 Gns Bud
    34 bud

    2000 words • Solidity • [login to view URL] • Metamask I may change the main topic of the game so the proposal should focus on the other topics like technical aims objectives background

    €72 (Avg Bid)
    €72 Gns Bud
    11 bud
    Build A CryptoCurrency Exchange 5 days left
    VERIFICERET

    we want to build a cryptocurrency exchange not token exchange not ICO website crypto exchange BTC BCH ETH LTC XRP NEO USDT also, we want to add two fiats for trading all coins should be able to trade with each other as a pair and for fiat as well *** you can download requirements document and read that in depth and word by word *** if you want to have a chance to choose as this project freelanc...

    €5101 - €6802
    Fremhævet Forseglet
    €5101 - €6802
    76 bud

    I have long term project and I need software company who can work on blockchain development with us. You should be available for 8 hours at least in a day

    €25 / hr (Avg Bid)
    €25 / hr Gns Bud
    18 bud
    Block chain tor website 5 days left
    VERIFICERET

    Hey, i need to make a tor website Configuring Onion Services for Tor. If you know about tor and blockchain please only send me the proposal. [login to view URL]

    €691 (Avg Bid)
    €691 Gns Bud
    20 bud
    Find a blockchain expert 5 days left
    VERIFICERET

    I am looking for good developer who has enough experiences in blockchian. It`s a long-term work. Thank you.

    €12 / hr (Avg Bid)
    €12 / hr Gns Bud
    21 bud
    Marketing manager for ICO campaign 4 days left
    VERIFICERET

    I need a support for the marketing campaign I'm having for an ICO. In particular I expect - Managing all the social channels (Linkedin, Facebook, Steemit, Medium, Reddit, Bitcointalk, etc) - Producing original content for posts, tweet, etc. (with the support of team members) - Controlling ICO ranking over a bunch of websites (e.g. ICObench) - Manage a google adv campaign The effort should b...

    €430 (Avg Bid)
    €430 Gns Bud
    27 bud

    We are looking for a hyperledger expert to build a Proof Of Concept blockchain with various: - Various Chaincodes that supports various transactions - Various Chaincodes executors with different roles & Permissions - Integration with existing Participants Systems We are an established Company in Canada and looking forward for partnering with good members, if you think this could be a good f...

    €864 (Avg Bid)
    €864 Gns Bud
    10 bud
    Simple Ethereum Token Swap 3 days left
    VERIFICERET

    I want a simple contract where users send the old version of our token and instantly receive the new version of our contract. For each 1 token of the old version they send they will receive 3 of the new token. this should be automated and gas is paid by the user when they send the old contract so I shouldnt have to add eth for gas for this function. I need this asap.

    €180 (Avg Bid)
    €180 Gns Bud
    14 bud

    Design and architecture for solution based on Blockchain Ethereum technology is required

    €176 (Avg Bid)
    €176 Gns Bud
    5 bud

    I want to build a app which works as Data Tracker. For your convenience I draw some pictures please look at those it will help to sum up what I try to convey. But, I want this app only bulid on Blockchain (BigchainDB). Main Functionality of App :- To detect permission access of other apps

    €1397 (Avg Bid)
    €1397 Gns Bud
    9 bud
    ICO whitepaper 3 days left
    VERIFICERET

    i need someone that can create a good quality ico whitepaper that explains what the overall business is about. show your portfolio.

    €165 (Avg Bid)
    €165 Gns Bud
    27 bud

    I need a software developer to modify the Bitcoin code (hosted on Github) as per the spec which will be provided. I need this done within 7 days of the project being awarded.

    €1415 (Avg Bid)
    €1415 Gns Bud
    16 bud

    need a buy sell trading engine that also works with external exchanges.

    €678 (Avg Bid)
    €678 Gns Bud
    15 bud
    Crypto-currency expert 3 days left
    VERIFICERET

    I need crypto-currency expert who can work for me in long-term. No agency, only developer bid. Please apply with experiences. Thank you.

    €5 / hr (Avg Bid)
    €5 / hr Gns Bud
    10 bud
    Crypto Payment Gateway 2 days left
    VERIFICERET

    Hello. I am looking for someone who could develop a payment gateway for accepting crypto (similar to coinpayments). For example, I am a store owner and I want to accept payment in bitcoin and other altcoins. I will install a plugin (which is the payment gateway) on my store. When the buyer clicks on the checkout, he will have an option to choose the coin he wants to pay in. Let's just say tha...

    €450 (Avg Bid)
    €450 Gns Bud
    14 bud
    Decentralized app 2 days left
    VERIFICERET

    Texasholdem poker tournament decentralized app

    €2439 (Avg Bid)
    €2439 Gns Bud
    14 bud

    We are looking for a DApp programmer to build a demo project. We are in Proof of Concept stage and looking for experience programmer for quick job to prove our ideas works. Following with Scope 1. DApp required to query data from our API. We have a sales transaction want to submit on Ether Blockchain. Following with sample data structure and may have minor changes. Customer Name, Transaction Typ...

    €230 (Avg Bid)
    €230 Gns Bud
    18 bud
    Erc20 Token 1 day left
    VERIFICERET

    We are looking for developer to code us on ERC20 token and develop its user wallet

    €708 (Avg Bid)
    €708 Gns Bud
    22 bud

    Hi This is altcoin creation task. No difficult algorithm. Just only fork the bitcoin and create altcoin for specific requirement. Please have a look attached file.

    €885 (Avg Bid)
    €885 Gns Bud
    7 bud

    [login to view URL] is where this alert will be focused on only one asset. You have bid and ask prices I want an alert when these prices hit 0.00000009 and 0.00000011. I can have email alerts and or pop up or whatever as long as it is in real time

    €100 (Avg Bid)
    €100 Gns Bud
    3 bud

    Hi, We need to create a professional white paper for a technology Blockchain startup. The company wants to take the Sharing (On-demand, Gig) Economy to the next level with the power of Blockchain technology. Content needed on the document: Overview of the Industry Problem to be solved Proposed solution Product description Technology explanation Areas of expertise needed: Mathematics ...

    €630 (Avg Bid)
    €630 Gns Bud
    27 bud

    Hi This is altcoin creation task. No difficult algorithm. Just only fork the bitcoin and create altcoin for specific requirement. Please have a look attached file.

    €1127 (Avg Bid)
    €1127 Gns Bud
    11 bud

    I need Developers that have experience with Blockchain technology Skillset needed Bitcoin Core, masternodes, C/C++, Api Development, ERC 20,

    €16 / hr (Avg Bid)
    €16 / hr Gns Bud
    21 bud

    I have been associated with the BFSI industry for 13 yrs initially from business and operations side and then technology and eventually landed up into marketing and strategy. Having realized that this diversified experience is a good platform to enter the next big wave of innovation in the Fintech space, I have started to develop a few disruptive banking products using Blockchain, Robotics and Dat...

    €35 / hr (Avg Bid)
    €35 / hr Gns Bud
    3 bud

    I have been associated with the BFSI industry for 13 yrs initially from business and operations side and then technology and eventually landed up into marketing and strategy. Having realized that this diversified experience is a good platform to enter the next big wave of innovation in the Fintech space, I have started to develop a few disruptive banking products using Blockchain, Robotics and Dat...

    €13 / hr (Avg Bid)
    €13 / hr Gns Bud
    5 bud

    help me creating erc 20 smart contract

    €123 (Avg Bid)
    €123 Gns Bud
    12 bud

    I need a blockchain engineer who has good ideas towards application of blockchain to a social relevant issue

    €126 (Avg Bid)
    €126 Gns Bud
    4 bud

    I am going to launch token issuing platform similar with waves. Hope to discuss about possible way to get approach early. If you have built this, you are the top candidate and start project soon. I hope all things done in few weeks. Must be experienced with Waves.

    €2319 (Avg Bid)
    €2319 Gns Bud
    22 bud

    I have a start up for e-commerce. I am looking for crowd funding. So, eventually need a business plan for this

    €7 / hr (Avg Bid)
    €7 / hr Gns Bud
    20 bud

    Please read full documentation + screenshots [login to view URL] ------------------------------- Overview Current project based on Original project: [login to view URL] ------------------------------- 1. We need to Change the current logic how wallets opened 2. Token logo fix

    €951 (Avg Bid)
    €951 Gns Bud
    6 bud
    Looking for a Blockchain expert 11 hours left
    VERIFICERET

    I am looking for blockchain expert or team who has expertise in real asset based cryptocurrency. Requirements>> 1. Strong knowledge of tokenizing 2. Good understanding of real estate ecosystem

    €34 / hr (Avg Bid)
    €34 / hr Gns Bud
    43 bud
    Create a new Crypto Currency 2 days left
    VERIFICERET

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    €2998 - €4997
    Fremhævet Forseglet NDA
    €2998 - €4997
    47 bud

    Top Blockchain Community-artikler