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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. Contratar a Blockchain Developers

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    42 trabajados encontrados, precios en USD

    I need a team to build a web-based payment gateway, that can send and request FIAT & CRYPTO MONEY. Fiat refers to credit and debit cards. Crypto refers to BTC, ETH, XLM. I need your team to build the front-end, and your team to find the best backend crypto/fiat processing system (whitelabel/3rd party). DO NOT APPLY IF YOU NOT FAMILIAR WITH PAYMENT.

    $7881 (Avg Bid)
    $7881 Oferta Promedio
    16 ofertas

    Unify Cryptocurrency is looking for a person who could write a professional 5000 word whitepaper about Unify project. We will provide you with the information that you will need to write the whitepaper, such as technical details, idea & other information that you will require. We will show priority to the writers who can send us samples of their previously completed work.

    $418 (Avg Bid)
    $418 Oferta Promedio
    32 ofertas

    I need someone who has experience in deploying peatio for a crypto currency exchange. You must have proof of such works to see and be able to show evidence that work was done by you, you must also be able to provide long term support. Only those with relevant portfolio should apply and can deliver 5 days to 10 days of work. You must begin immediately, so if you are busy don't apply. No time w...

    $2656 (Avg Bid)
    $2656 Oferta Promedio
    4 ofertas
    Create bitcoin wallet for Android 6 días left
    VERIFICADO

    Build multi cryptocurrency wallet app for Android ,can be already built solution

    $638 (Avg Bid)
    $638 Oferta Promedio
    16 ofertas

    Person should have the capability to: + Design and build industry specific solutions using Blockchain technology. + Contribute to infrastructure setup and solution development in Blockchain and related technologies such as Ethereum, crypto currencies and smart contracts. + Ability to quickly learn functional requirements as applicable to the energy industry and convert into system specification...

    $940 (Avg Bid)
    $940 Oferta Promedio
    29 ofertas

    We´re interested in having a smart contract for pooling purposes [iniciar sesión para ver URL] , [iniciar sesión para ver URL] It should work like this: 1) Investors send to a ETH address 2) We receive the tokens to that address and it distributes automatically with a rate that we defined additional features would be: Refund possibility, fee from 0-x% 1 - fee taken on ETH ...

    $155 (Avg Bid)
    $155 Oferta Promedio
    8 ofertas
    Hyperledger Blockchain Projects 5 días left
    VERIFICADO

    Hi, We require a detailed SRS proposal for a hyperledger Blockchain Project on Track , Trace and Verify . [iniciar sesión para ver URL] Please evaluate the above link and sent us a clear proposal on this. based on the proposal we shall award the project.

    $35531 (Avg Bid)
    $35531 Oferta Promedio
    27 ofertas

    I need help simulating the vulnerability of clock drifting on blockchain system.

    $13 - $25
    $13 - $25
    0 ofertas

    Want to collaborate with a driven individual on a small personal project. I want to develop a simple online multiplayer game with basic chat function. Looking to monetize with Etherium (ETH) crypto currency. Must be willing to work remotely and collaborate online.

    $2774 (Avg Bid)
    $2774 Oferta Promedio
    39 ofertas

    Hi Everyone. i'm agency of the crypto ecommerce management company located in Liverpool. our company now looking for some talented developer who support blockchain technology for 3+ months. you must know very well about the HD wallet management. feel free to contact us. cheers

    $2682 (Avg Bid)
    $2682 Oferta Promedio
    38 ofertas

    We need a ready crypto exchange script with documentation for setup and use. Also we need some slight modification for it for our business. The script should be ready and not first to be developed. We also need a logo and landing page. We have a budget of 3000 Euro.

    $2746 (Avg Bid)
    $2746 Oferta Promedio
    36 ofertas

    I am looking for someone that's creative honest with a solid business and Crypto law background. I will be launching an ICO, so I need the right person to write me a white paper. My platform will be serving the globe but will be focusing on the (Middle-Eastern, Gulf-Region, North-African, and Turkish Market.) This is your chance to write something great and potentially become part of the team...

    $239 (Avg Bid)
    $239 Oferta Promedio
    27 ofertas
    Build A Function 5 días left

    I need someone that is experieced with Blockchain to write in a function to split the block reward into the wallet that mined it and then the wallet for the network

    $744 (Avg Bid)
    $744 Oferta Promedio
    26 ofertas
    Mobile IO ICO 4 días left
    VERIFICADO

    I am developing a new crypto currency and a token as well I need a ICO launch page that can show the trading value of different cryptos and also allow people to invest in the token. I will need all content created and done as well and if this is done well then the next project is yours as well which is a crypto exchange and app.

    $1013 (Avg Bid)
    Destacado Acuerdo de Confidencialidad
    $1013 Oferta Promedio
    25 ofertas
    Create an Ethereum Lottery 4 días left
    VERIFICADO

    I would like you to create an Ethereum lottery for users to sign in, purchase tickets and allow us to set the lottery count-down, jackpots amount easily.

    $1166 (Avg Bid)
    $1166 Oferta Promedio
    17 ofertas
    ERC20 POS Token Auditing 4 días left
    VERIFICADO

    -5000 tokens to be considered as 1 LOT, -15 days staking before they start earning staking rewards. ( 16th day start earning x amount of bitto) -5003, 5900. 9999 ( is considered 1 LOT ). -5 Million to be used as POS and to be distributed within 2 years ( possible extension ) -Maximum reward per LOT is 50 per day. -if there is not enough stakers, extend the time of the 5 million being rewarded. (de...

    $960 (Avg Bid)
    $960 Oferta Promedio
    9 ofertas
    MNR mining pool 4 días left

    Setup & run a MNR mining pool.

    $311 (Avg Bid)
    $311 Oferta Promedio
    6 ofertas

    I want to do the simplest ICO ever. I want to take an asset (say a painting of mine, or my house, or my car), and pledge it to a digital coin offering. Whoever owns this coin owns the asset (and all distributions from the asset - say the painting sells at auction for $1mm dollars - then all holders of coins would get a distribution of cash). So I need someone to: Launch the coin on an exchange. I ...

    $1479 (Avg Bid)
    $1479 Oferta Promedio
    22 ofertas

    bitcoin borsa ve coll cuzdan uygulamasi isteniyor ve Takpara atında kendi alt coin yaratmak borsaya sokmak 7 /24 aktif sunucu destek ve güvenlik siber saldırılara karşı Yapay zeka ile geliştirilmesi istiyor um yada ne oluyorsa süre kısıtlaması var ihtiyacta

    $6603 (Avg Bid)
    $6603 Oferta Promedio
    12 ofertas

    Looking for an experienced web developer to get a mining pool online for testing. The code is open source and located here [iniciar sesión para ver URL] The perfect candidate will have experience with web development, blockchains, and AWS deployment. It should be a simple job the documentation on GitHub explains most of the steps. The front end is included and I do not require any customi...

    $71 (Avg Bid)
    $71 Oferta Promedio
    5 ofertas

    I want to buy an exchange wallet app please, if you have completed one before and you have the source codes, you can easily edit the UIs with what I would give you and then I buy it, please I need this in 24 hours at least and would like to work more with you guys after this is completed for me,don't message me if you don't have what needed .

    $269 (Avg Bid)
    $269 Oferta Promedio
    7 ofertas

    ERC20 Wallet for andorid similer app [iniciar sesión para ver URL]

    $802 (Avg Bid)
    $802 Oferta Promedio
    16 ofertas

    My project is about building an online review system using ethereum blockchain ( so that reviews are immutable). Also, reviews need to be filtered to detect the spam or fraud reviews & has to be stored in the blockchain. User who provide the reviews must be autheticated.

    $2600 (Avg Bid)
    $2600 Oferta Promedio
    21 ofertas

    I have a project that i need a pow/pos/mm cryptocurrency from scratch made with latest bitcoin core, latest dash masternodes, yescriptr32 for PoW algo, Pivx for PoS or a better PoSv3 fixed and that runs over TOR with OBFS4 and Meek plugins enabled once this is done it will need to be integrated to an existing blockchain of a cryptocurrency via a hard fork. Project for the specialists

    $37 / hr (Avg Bid)
    $37 / hr Oferta Promedio
    32 ofertas
    make me a crypto currency 3 días left
    VERIFICADO

    i would like my own erc20 token or waves token creating

    $880 (Avg Bid)
    $880 Oferta Promedio
    31 ofertas

    I am looking for blockchain developer, not agency. You have to have wide and deep experience in masternode and Pivx. The details will be shared via interview.

    $2367 (Avg Bid)
    $2367 Oferta Promedio
    30 ofertas

    We are launching an [iniciar sesión para ver URL] need a developer to create ethereum smart contract for our project and attach it to my landing [iniciar sesión para ver URL] also need to integrate it in our website and also add automatic issues of tokkens to the investors.

    $485 (Avg Bid)
    $485 Oferta Promedio
    37 ofertas

    I am looking for blockchain developer who has wide and deep experience in masternodes and Pivx. If you have worked on Pivx, do not hesitate to contact me. The details will be shared in interview.

    $2118 (Avg Bid)
    $2118 Oferta Promedio
    21 ofertas

    Hello Dear, I would like to start a project by integrating our Ethereum server with the full/ Lightweight node for business concept. If you re interested I would be more then happy having the opportunity for discussing this with you. For your kind update many thanks in advance. Kindest Regards, Bülent

    $86 (Avg Bid)
    $86 Oferta Promedio
    6 ofertas

    I need programmers to implement Sawtooth tracibility for a specific part of my business. Very serious, only need experienced people that understand and work with blockchain technologies already. Sawtooth is a well defined, already developed tracibility system that lives on the HyperLedger platform. I need it implemented to trace from farm to table, and allow end users to be able to look up the ...

    $4584 (Avg Bid)
    $4584 Oferta Promedio
    39 ofertas

    We are hiring great developers with artificial intelligence skills. I want to integrate artificial intelligence, block-chain technology and Google's great technology into my website. I am a real estate broker ceo in Korea. All customers are Korean. You must be able to resolve this issue regardless of your nationality. By combining all the technologies, including artificial intelligence an...

    $481 (Avg Bid)
    $481 Oferta Promedio
    8 ofertas

    We are hiring great developers with artificial intelligence skills. I want to integrate artificial intelligence, block-chain technology and Google's great technology into my website. I am a real estate broker ceo in Korea. All customers are Korean. You must be able to resolve this issue regardless of your nationality. By combining all the technologies, including artificial intelligence an...

    $554 (Avg Bid)
    $554 Oferta Promedio
    2 ofertas

    We are hiring great developers with artificial intelligence skills. I want to integrate artificial intelligence, block-chain technology and Google's great technology into my website. I am a real estate broker ceo in Korea. All customers are Korean. You must be able to resolve this issue regardless of your nationality. By combining all the technologies, including artificial intelligence an...

    $1733 (Avg Bid)
    $1733 Oferta Promedio
    5 ofertas

    hello i need a blockchain developer to fixed my mining pool cos vps have reset and our node have reset.. on vps. And also to setup exchange, I already have the exchange script.

    $224 (Avg Bid)
    $224 Oferta Promedio
    8 ofertas

    Looking to create a new ERC20 token on the Ethereum Network. The token is to be used in the financial services industry to speed up transactions, information and improve efficiencies. I would require a competent individual who can firstly create the token then help in putting together a white paper, Smart contract ,develop the website and create an ICO. only bid on this project if you are a expe...

    $1974 (Avg Bid)
    $1974 Oferta Promedio
    43 ofertas
    Docker & EOS expert 15h left
    VERIFICADO

    This role needs good skills in Docker and there is an opportunity to learn EOS. Ideally you will also have good skills in EOS. Essential skills - 1. Docker Containers, Compose, Images 2. Github 3. Ubuntu Desirable Skills - 1. EOS, cleos, nodeos, keosd This is an interesting role. The key work now is to get EOS to run at an installation level.

    $21 / hr (Avg Bid)
    $21 / hr Oferta Promedio
    18 ofertas

    Need to install dtube hosting service and training how to operate and earn from dtube.

    $43 - $86
    $43 - $86
    0 ofertas

    Basically I need a duplicate [iniciar sesión para ver URL] with full admin backend to control the winnings Please share your sample work here. Thanks

    $707 (Avg Bid)
    $707 Oferta Promedio
    26 ofertas

    We are hiring great developers with artificial intelligence skills. I want to integrate artificial intelligence, block-chain technology and Google's great technology into my website. I am a real estate broker ceo in Korea. All customers are Korean. You must be able to resolve this issue regardless of your nationality. By combining all the technologies, including artificial intelligence an...

    $475 (Avg Bid)
    $475 Oferta Promedio
    15 ofertas

    I need an experienced masternode cryptocurrency developer to help me with changing coin specifications via GitHub. After our agreement, I will provide you the GitHub link to allow you to quickly make the necessary suggested changes. This project is for info purposes only, so will not require you to do any type of build or compiling work. When the edits are done, they will be verified and work will...

    $21 / hr (Avg Bid)
    $21 / hr Oferta Promedio
    26 ofertas

    We need someone that has been a longterm member of Bitcointalk to post an ANN thread under Altcoin/Annoucments. Please only bid if your Bitcointalk username is in good standing and if you are an active member on Bitcointalk. Other forums might also be accepted, please PM me.

    $33 (Avg Bid)
    $33 Oferta Promedio
    5 ofertas
    Create a new Crypto Currency 21 días left
    VERIFICADO

    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.

    $3395 - $5658
    Destacado Sellado Acuerdo de Confidencialidad
    $3395 - $5658
    41 ofertas