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    17 trabajados encontrados, precios en EUR
    token purchase website -- 2 6 días left
    VERIFICADO

    Hi, I need a website where user can purchase my erc20 token fiat currency. You can use and adapt the mesg project. User choose the amount of token they want to buy, they send money, once transaction is confirmed, they get the purchased amount of token.

    €200 (Avg Bid)
    €200 Oferta Promedio
    6 ofertas

    Hello, I want to understand how can i developp on the Copay app(bitpay) and their Bitcoin Wallet Service! I need a real blockchain expert..

    €138 (Avg Bid)
    €138 Oferta Promedio
    7 ofertas

    I want to build a block chain based web application using react js UI, Which interim implements the smart contracts.

    €251 (Avg Bid)
    €251 Oferta Promedio
    14 ofertas

    Hi- I want to test my network for hyperledger sawtooth and need a script that can be manually configured to run stress testing for hyperledger sawtooth using hyperledger caliper. I want a script like [iniciar sesión para ver URL] (and parameters in front the command) and I give different scenarios to test the sawtooth. please let me know if you can create a documentation and script for usi...

    €130 (Avg Bid)
    €130 Oferta Promedio
    4 ofertas

    I need help putting my custom logo that I have on trustwallet.

    €19 (Avg Bid)
    €19 Oferta Promedio
    11 ofertas

    I post a .pdf file with all requeriments we need receive the source code for test in ropsten we need create a QR generator or a backend to get a referral link

    €747 (Avg Bid)
    €747 Oferta Promedio
    7 ofertas

    We need create a Smart contract & Backend based in a simple smart contract ill upload pdf file for smart contract requeriments we need make this so fast, will need the source code to test in ganache or ropsten network

    €372 (Avg Bid)
    €372 Oferta Promedio
    5 ofertas

    I need someone to integrate trustwallet on my site.

    €160 (Avg Bid)
    €160 Oferta Promedio
    5 ofertas

    Since it's a very innovative project I prefer do not give details. We require ethereum and smart contracts knowledge. Italian language is a plus, even if not mandatory

    €15 / hr (Avg Bid)
    €15 / hr Oferta Promedio
    5 ofertas
    Token ERC-20 2 días left

    I am looking for a programmer, I want to develop a token from the ethereum network

    €157 (Avg Bid)
    €157 Oferta Promedio
    15 ofertas

    I have a token called H3D (solidity smart contract). Whenever someone buys or sells H3D through our site ([iniciar sesión para ver URL]), 10% of the purchase (in HEX, what people use to buy H3D) is distributed amongst the token holders. The value of H3D goes up as more people buy, and down when people sell. We launched and all was well, but someone discovered a bug that allowed one of the d...

    €497 (Avg Bid)
    €497 Oferta Promedio
    14 ofertas

    I need ethereum web3j app in android or a java class that can do the function: 1. Create Account (Public address and Private Key) 2. Erc20 Send transaction 3. Ethereum send transaction 4. Get balance 5. Should be in mainet connection in infura Refrence link : [iniciar sesión para ver URL] and [iniciar sesión para ver URL] Only freelancer that has experience on it are allowed ...

    €255 (Avg Bid)
    €255 Oferta Promedio
    4 ofertas

    I would like to build a faucet site that pays HEX every week. I'm after a clean interface, the site style will be built in a similar way to http://hex.toys. total deadline: $500

    €103 / hr (Avg Bid)
    €103 / hr Oferta Promedio
    15 ofertas

    I would like to work with a developer to build an Ethereum ER-20 token faucet site that pays HEX every week. I'm after a clean interface, the site style will be built in a similar way to http://hex.toys.

    €1592 (Avg Bid)
    Destacado
    €1592 Oferta Promedio
    26 ofertas

    Hello. I know bitcoin full node can working on own server. But Ethereum also can do that? I want to wallet service and provide API to other website. So i need to operate to BTC and ETH. Looking for developer with knowledge of this.

    €194 (Avg Bid)
    €194 Oferta Promedio
    13 ofertas
    Ethereum Web3j java android app 16 horas left
    VERIFICADO

    I need ethereum web3j app in android or a java class that can do the function: 1. Create Account (Public address and Private Key) 2. Erc20 Send transaction 3. Ethereum send transaction 4. Get balance 5. Should be in mainet connection in infura Refrence link : [iniciar sesión para ver URL] and [iniciar sesión para ver URL] Only freelancer that has experience on it are allowed ...

    €143 (Avg Bid)
    €143 Oferta Promedio
    3 ofertas

    We have a protocol developed in Solidity. This protocol has a relayer module which processes the transaction without taking gas fee in ETH from the users. Fee for the transaction is paid by relayer and once the transaction is processed, ETH is refunded to the relayer. We would like to add a method that will refund the fee in ERC20 token as well. Implementation is based on [iniciar sesión ...

    €434 (Avg Bid)
    €434 Oferta Promedio
    4 ofertas

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