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    6,888 blockchain work trabalhos encontrados, preços em EUR

    Hi there, I need someone who is able to create a ethereum node and implement a smart contract which allows the deployment...a smart contract which allows the deployment of certifications. Simply Entity-A releases a certificate to entity B with few details, name, expiration, this is push on the blockchain. Please contact me for more information. Fed

    €157 (Avg Bid)
    €157 Média
    20 ofertas
    Need to Fork Litecoin 4 dias left
    VERIFICADO

    Hi All, I want to Fork a coin based on LTC. Experience in Blockchain and cryptocurrency will only place the bid. Details will be shared over personal message. Thanks

    €782 (Avg Bid)
    €782 Média
    23 ofertas

    ...with submission of articles on wikipedia and can make sure that they get approved and published. There are two articles to be published - one is a company profile for a blockchain logistics and freight management app, and the second one is a biography of the company's CEO. If you are experienced with writing and editing for wikipedia and can easily

    €115 (Avg Bid)
    €115 Média
    8 ofertas

    ...extract the blockchain data of the users' wallets. Data will be saved to a SQL server. The webapp will also periodically capture incremental data of the wallets. The webapp will then allow the user to view their wallet ledgers and token asset summary. To keep this project small and on budget, we will work only with the Ethereum blockchain. If you add

    €170 (Avg Bid)
    €170 Média
    13 ofertas

    I am going to develop 2 gaming sites. At this point ...something like [login to view URL] 2. Blackjack - something like [login to view URL] or [login to view URL] If you have experienced in developing gaming site with blockchain, please show me your examples. Please apply with your estimation(how long will it take based on my description)

    €400 (Avg Bid)
    €400 Média
    19 ofertas

    Developing a Blockchain Technology for Healthcare data record

    €1629 (Avg Bid)
    €1629 Média
    31 ofertas

    Looking to hire someone who is familiar with c++ and blockchain development to prepare a Qt dev ready environment for [login to view URL] on Windows 10 VM. *MY BUDGET IS 40 AUD*

    €25 (Avg Bid)
    €25 Média
    1 ofertas

    I will be looking for a social media manage...who can use all social media platforms so can you please provide work that you have completed in the past. The three area's we will be covering are E-Gaming, Art and Blockchain, also the work will be continuous so I will need someone who can keep up to date with a ever increasing work load. Kind Regards,

    €399 (Avg Bid)
    €399 Média
    16 ofertas

    blockchain decentralized marketplace development

    €134 (Avg Bid)
    €134 Média
    10 ofertas

    ...will give a specific assignment, that typically requires around 750-words, and we'll be able to agree on a specific timeframe in which I'll need to receive the work. My work focusses on blockchain and cryptocurrency related news, events, and development. The narrative I used for each of my articles is one that is objective, fact-based, and non-sensational

    €41 (Avg Bid)
    €41 Média
    23 ofertas

    !! READ the REQUIREMENTS before you knock !! Key Factors: - You are expected to have good knowledge on areas such as; blockchain/crypto-threats/solidity/Hyperledger/Smart-contract/Hash-Algorithms/51% attacks. - You will probably need to spend 90-130 hours per month to do the required tasks. ( For instance; an experienced person, in the related

    €252 (Avg Bid)
    €252 Média
    11 ofertas

    ...renew it. For subscription and renewal, the user will pay a commission. Each user will have a virtual wallet. You can: recharge (paypal, maunale with bank transfer, stripe, blockchain) or the administrator can create other payment systems withdraw transfer funds to other users The portfolio can also be recharged by the administrator in favor of a user

    €603 (Avg Bid)
    €603 Média
    18 ofertas
    Looking for blockchain API 2 dias left
    VERIFICADO

    Looking for an expert for the API of these coins (No 3rd Party) XRP BCH EOS STELLER TETHER TRON BTC SV

    €163 (Avg Bid)
    €163 Média
    9 ofertas

    ... What pages I need - 1. Landing or Home page - this would’ve summary of what we do, what technologies we work on and how we can help customers with those technologies. 2. Each individual page for below services. a. RPA b. AI c. Blockchain d. Other software developments e. Will decide as we go.. On style of writing- I want an easy to read content

    €14 (Avg Bid)
    €14 Média
    13 ofertas
    Trophy icon Logo Design for my website 2 dias left

    I need a logo designed for my website. Url- [login to view URL] About the website- It’s primarily focusing on all new technologies in the market today like RPA, AI, Blockchain etc..but not restricted to. So, its VERY IMPORTANT that, one should keep in mind, that it's a technology firm, and the logo should be a GENERIC one, and should go with

    €12 (Avg Bid)
    Garantido
    €12
    28 inscrições
    Logo design 2 dias left
    VERIFICADO

    ...today like RPA, AI, Blockchain etc..but not restricted to. IMP- So whoever will design the logo should keep in mind that it’s a technology firm, and the logo should be very generic and should go with the intent of the website. I know finalising the logo take bit of time and review-rework..so have to be bit patience during the work ...

    €15 (Avg Bid)
    €15 Média
    44 ofertas
    ROSCA blockchain application 2 dias left
    VERIFICADO

    I need you to develop ROSCA blockchain application. Please google and search for ROSCA if you do not know about it.

    €279 (Avg Bid)
    €279 Média
    4 ofertas

    ...writer, with a solid background in writing about IoT orientated subjects. This article is to be written for our website blog and to discuss the trends and predictions of blockchain technology in 2019. Ideally no more than 800 words. I would like the article to be well researched and informative. Guidelines: Must be plagiarism free Well researched

    €61 (Avg Bid)
    ADC
    €61 Média
    31 ofertas

    I need someone with GraphQL expertise, Swift knowledge, and some blockchain rendering background. The objective is to fix the issue of the user (of the IOS wallet client) not being able to view their ERC20 transaction from .pending to completed (its stuck at pending). The task involves creating this check through using GraphQL endpoints. Balances

    €175 (Avg Bid)
    €175 Média
    3 ofertas

    ...first crypto project to combine a Proof of Work blockchain with a DAG block structure and wholly anonymous transactions. The fully distributed ledger processes transactions with a twelve-second average block time and is secure against majority hashrate attacks. Dero will be the first CryptoNote blockchain to have smart contracts on its native chain

    €5022 (Avg Bid)
    €5022 Média
    13 ofertas

    Hi! I am looking for a crypto expert to help me understand some of the basic concepts of the blockchain and programming. Thanks!

    €816 (Avg Bid)
    €816 Média
    26 ofertas
    BlockChain based Service Mgmt 2 dias left
    VERIFICADO

    I need a solution: 1, We can create Service Workflows 2. Manage Service types and per type their attribute and form 3. Assign to people as per Attri...integration, we are in the process of making UX) 7. Everything managed with Audit control, activity stream(like linkedin, per org basis) 8. All audit and even preferably DB on any blockchain standards

    €220 - €659
    Destacado Secreto
    €220 - €659
    14 ofertas
    i need webste 2 dias left

    ...(potential partner), to help me create: 1. Cryptocurrency payment gateway 2. Setup a full crypto node and API interface from scratch to interact with node.(ICO) 3. Setup blockchain 4. Develop Web/ Androip/iOS and desktop apps. 5. Integrate payment gateways to the apps 6. Allow buy/sell/ request and transfer 7. Backend with the cryptocurrency and user

    €393 (Avg Bid)
    €393 Média
    17 ofertas
    CREATE BILLET FOR BITCOIN -- 2 1 dia left
    VERIFICADO

    Hello freelancers I am looking for someone skilled in bitcoin technology and blockchain to create a bitcoin wallet that can be sent to transfer between members of the same wallet see historical etc.

    €748 (Avg Bid)
    €748 Média
    17 ofertas

    I need someone to write and organize Scientific article about blockchain voing system

    €28 (Avg Bid)
    €28 Média
    20 ofertas

    I have my multi crypto's currency coins wallet system app with token generation with blockchain explorer and smart contract functions. But having some bugs and need to fix of them and upload at Apple store and google play and update at my Ubuntu cloud server. After selected provider share my app code and details.

    €155 (Avg Bid)
    €155 Média
    7 ofertas

    ...public keys. C. Wallet must have a section that tracks history( sending and receiving of coins) D. Must have a rescan button to rescan the blockchain in case of issues. E. Must have the ability to jump into some sort of command line to troubleshoot ) similar to what bitcoin core has..) 2. Z-cash

    €1937 (Avg Bid)
    €1937 Média
    20 ofertas

    Hi, Greetings!!! Looking for a Hybrid coin like Litecoin. Should have it's own Exchange, Blockchain and Coin.

    €4973 (Avg Bid)
    €4973 Média
    31 ofertas

    Need to develop a Crypto Currency exchange Similar to Binance. Please only beed who worked on Blockchain and Crypto Currency Exchange development.

    €16416 (Avg Bid)
    €16416 Média
    31 ofertas

    ...render all the ERC20's, as well as any ERC721's in the given mobile wallet on the given RPC address. This job is for not only for a Swift & GraphQL experienced & someone with blockchain knowledge on how to parse information for rendering the ERC721's/ERC20's. The formatting for the collectibles are already templated in Trust, and the collectibles are already

    €136 (Avg Bid)
    €136 Média
    10 ofertas

    Looking to hire someone who is familiar with c++ and blockchain development to prepare a Qt dev ready environment for [login to view URL] on Windows 10 VM.

    €59 (Avg Bid)
    €59 Média
    4 ofertas
    Blockchain payments 22 horas left
    VERIFICADO

    I need some changes to an existing website. I want to accept crypto currency payments on my website. Kin, xrp, trx, btc, eth and litecoin.

    €194 (Avg Bid)
    €194 Média
    18 ofertas
    Horizen masternode set up 17 horas left
    VERIFICADO

    Need a programmer in blockchain have a horizen wallet would like ti set up two masternodes for me with a server

    €205 (Avg Bid)
    €205 Média
    7 ofertas

    We area BLockChain Company looking for Copywriters with a Journalistic background in Technology space for a Blockchain Company for Offline and Online articles. We want writers who either have their names published on the work or if they cant, then give references of the article owners / website owners

    €93 (Avg Bid)
    €93 Média
    32 ofertas

    1. Incorporate within an existing site btc and eth payment modules. 2. Encompasses smart contracts setup and also hashing data encryption. 3. Provide all possible and required documentation to managing all infrastructure setup and developed.

    €437 (Avg Bid)
    €437 Média
    26 ofertas
    Blockchain video game application 7 horas left
    VERIFICADO

    I need an iPhone app. I would like it designed and built. It will be a blockchain based game. In app wallet functionality for the kin ecosystem blockchain. I want a game designed and built with characters you have to raise and fight. The ability to train them and buy boosters to speed up training.

    €1510 (Avg Bid)
    €1510 Média
    22 ofertas

    ***MUST MENTION SOMETHING FROM THIS POST OR YOUR BID WILL BE DELETED ***HYIP WEBSITE NEEDS SOME CODING ---FIX SOME ERRORS -----CHANGE A FEW WORDS----This i...NEEDS SOME CODING ---FIX SOME ERRORS -----CHANGE A FEW WORDS----This is #1 phase of 3 phases --- U R Just bidding on this "One" phase. ---- Do good on this one and plenty more work for you -----

    €191 (Avg Bid)
    €191 Média
    16 ofertas

    ...application of Andree Studio Android Studio latest updated version of Android Studio. 4. Create an application for iPhone Xcode 10 Use this language. 5 - to review the steps of the work and full-time project. 6 - Experience, seriousness and patience and see all the details 7 - working on the server Mubasher Online. 8. Creation of 8 control panels (details below)

    €13887 (Avg Bid)
    €13887 Média
    75 ofertas
    CREATE BILLET FOR BITCOIN 5 horas left
    VERIFICADO

    Hello freelancers I am looking for someone skilled in bitcoin technology and blockchain to create a bitcoin wallet that can be sent to transfer between members of the same wallet see historical etc.

    €819 (Avg Bid)
    €819 Média
    27 ofertas

    We need an assessor for a startup that we are starting. We are a team with d...knowledge about the cryptocurrencies and market, and we have a good idea, but we want advisory for an experienced mentor. Our project is related to cryptocurrencies and blockchain technology. We want to start with a DESIGN SPRINT event and we need support from this event

    €11 / hr (Avg Bid)
    €11 / hr Média
    9 ofertas

    Hello, would you work on a white paper for an xrp blockchain app project ?

    €1 / hr (Avg Bid)
    €1 / hr Média
    1 ofertas
    Trophy icon Holistic Logo Design 3 dias left

    ...identity. See attached for our other company logos. A brief overview: Chelle Service Capital: The parent company. We are a real estate holdings company. Chelle Coin: Blockchain/Cryptocurrency backed by real estate Chelle Management: Our Property Management Branch Land We Love: Our non-profit organization dedicated to helping the children of Jamaica

    €132 (Avg Bid)
    Garantido
    €132
    69 inscrições

    I want to create a website like [login to view URL] and ad...website like [login to view URL] and [login to view URL] for ethereum just like [login to view URL] (closed) Ether balance feature not required Please bid only if you have knowledge of ethereum and blockchain Please have a look at similar project for bitcoin. ( I want for ethereum ) [login to view URL]

    €115 (Avg Bid)
    €115 Média
    9 ofertas

    I need an erc20 security token on blockchain.

    €109 (Avg Bid)
    €109 Média
    7 ofertas

    Looking for someone to build a provably fair system based on blockchain. The provably fair should will be fully open source so all users can verify the legitimacy of each round. The provably fair should be built on a open blockchain such as ethereum or other trusted blockchain, and the rolls outcome should be built in a way and proven by the source

    €19 / hr (Avg Bid)
    €19 / hr Média
    39 ofertas

    Hey, i would like someone to create me an chat app, which would be based on blockchain protocol with some extra features

    €713 (Avg Bid)
    €713 Média
    31 ofertas

    We are looking to hire someone who is familiar with PIVX forking and masternode. we have Blockchain forked from PIVX and need to add some features/functionalities in masternodes, so experienced developer would be required and see long term relationship. Need to start immediately.

    €2276 (Avg Bid)
    €2276 Média
    26 ofertas

    We need to change in our existing source code (PIVX based) the masternode collateral system. Goal: - The masternode collateral depends on the high of masternodes (the scheme we have done). - Existing masternode will run continuously. The existing nodes in the network will be not affected (coll. is locked all time), only new nodes need the higher collateral (or less when the nodes are decreasi...

    €190 (Avg Bid)
    €190 Média
    14 ofertas

    Essentially we need a website created that is very similar to [login to view URL]

    €16 / hr (Avg Bid)
    €16 / hr Média
    42 ofertas

    We are a blockchain project and would like to work with blockchain developers and white hats worldwide on various blockchain projects and blockchain securities. Blockchain development include: -Online IDE -Crypto wallet: ios/android/desktop/PC -Multi-language SDKs (Kotlin/ Swift/ Java/ Ruby/ Golang etc) -Hardware wallet Also we need white hats

    €2089 (Avg Bid)
    €2089 Média
    37 ofertas