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    5,628 ethereum wallet jobs fundet, i prisklassen EUR

    I'm interested in creating a working payment channel on the ethereum blockchain. I want to use this: [log ind for at se URL] code in remix to create a smart contract for payment channels along with some some sort of signing messages platform to sign the payment message as described there and

    €517 (Avg Bid)
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    4 bud

    ...mobile responsive .   *Website will be user friendly with large database capacity .   *Admin panel and documentation for maintaining site .   * Wallet       Need options in wallet       1  they can recharge wallet through       our ERC 20 token (once they will send us token acc...

    €728 (Avg Bid)
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    6 bud

    Apple Pay Wallet integration for existing Cardholder application We have a Cardholder application where we have VISA/Master cards linked in our app with prepaid card issuer. Now we want to add these cards to apple wallet when user wants add their cards to apple wallet. This is in app card to apple wallet integration. Current project in Objective

    €438 (Avg Bid)
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    5 bud

    1. Show Ethereum Address & Ethereum Balance and Our Token balance 2. Send Token or Ether to another Ethereum Address 3. Check transaction on Blockcahain (can use Etherscan API) 4. Reporting and transaction history (IN and OUT transaction) 5. Download/Backup user Wallet Private key and Keystore JSON File 6. logout Link 7. Chat with support

    €83 (Avg Bid)
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    3 bud
    gRPC wallet JAVA 6 dage left

    The task consists of a wallet server and a wallet client. The wallet server must expose the interface described below via gRPC. I explain in more details in chat. The following technologies MUST be used Java gRPC MySQL or PostgreSQL Gradle JUnit SLF4J Docker Hibernate

    €191 (Avg Bid)
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    5 bud

    I need to make e-wallet for iOs, Android Main features * Money transfer between same users (Email) * Add credit cards, Debit * Transfer money from the app to a banking account * Payments to establishments or sellers through barcode * A credit / debit card verification system to ensure the user is the owner. * A bank account verification system to ensure

    €4231 (Avg Bid)
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    75 bud
    wallet app 5 dage left

    Creation of an app equal to wallapop, with location, featured offers, chat with the seller, wallet, Can you integrate 3 things? the 3 links are the three things I want to integrate into a single WAP with API communication. [log ind for at se URL] [log ind for at se URL]

    €1057 (Avg Bid)
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    31 bud

    I need to modify: [log ind for at se URL] (spark wallet ) with new functionality . 1. I will need a developer to change the look of the app. I need my corporate logo to replace "spark" and design asthetics and coloring to reflect 2 color templates. 2. This app contains an area called "RPC console" which allows users to execute commands

    €150 (Avg Bid)
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    9 bud

    ...based financial company we looking who can make online e-wallet all function include Our think those ; 1- Exchange with all currency flat with also crypto currency 2- All local and global payment method adding wallet 3- Merchant, customer and reseller dashboard and customer area 4- our E-Wallet api integration file we need be have 5- Securety Firewall

    €8010 (Avg Bid)
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    54 bud

    creation of website for a real state invert platform based on blockchain tokens. We need a programmer with experience: angular 2-4 javascript solidity html...platform based on blockchain tokens. We need a programmer with experience: angular 2-4 javascript solidity html5 bootstrap ionic framework. firebase. encryption protocols web3 ethereum blockchain

    €19 / hr (Avg Bid)
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    37 bud

    I need to upgrade an electrum wallet for a particular crypto coin in order for it to use Digishield and AUX/POW algorithms from DigiByte and other related scrypt coins. I need the programmer in question to copy code from other electrum wallets that use these algorithms and adapt that code to the particular coin I am using. I also need minor changes

    €406 (Avg Bid)
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    9 bud
    Blockchain 4 dage left

    ...impact a vast portion of the 21st century's economy. We aim to become one of the early providers of tools in the enterprise Blockchain ecosystem. We support protocols such as Ethereum, Hyperledger, Corda, and EOS, and much more. We are currently recruiting developers who, like us, would like to see Blockchain move beyond the speculative hype of cryptocurrencies

    €2090 (Avg Bid)
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    17 bud
    Create a secure e-wallet website. 4 dage left
    VERIFICERET

    Programming Language: Java Support: Web for now & Mobilr later Language support: English and Arabic PRIORITY: Security/Wuality over looks

    €3647 (Avg Bid)
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    59 bud

    I want you to setup [log ind for at se URL] on my server. I also need clear instructions to create new pools on the following months. So, you have to take note of everything that you done on a notepad and send me after everything is finished. Pool will be only using by me.

    €4 / hr (Avg Bid)
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    6 bud

    Wallet for ERC 20 token  I can send my token to the wallet Anyone can register using email address They will get email verification for registration after verification they can login  Need option in wallet ​1 send received 2 2FA 3 ID  verification if user want 4 MLM website for 6  level max ( like Binary plan)  5 email verification and reset

    €177 (Avg Bid)
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    6 bud

    Hi, i have custom ERC20 token that build using Ethereum smart contract, and i need online wallet for members to manage this token with PHP & MySQL I used to be using free service like [log ind for at se URL], but i want more simple functions, already made modification from MyEtherwallet on [log ind for at se URL] , but want to be more simple

    €96 (Avg Bid)
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    1 bud

    1. Show Ethereum Address & Ethereum Balance and Our Token balance 2. Send Token or Ether to another Ethereum Address 3. Check transaction on Blockcahain (can use Etherscan API) 4. Reporting and transaction history (IN and OUT transaction) 5. Download/Backup user Wallet Private key and Keystore JSON File 6. logout Link

    €116 (Avg Bid)
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    3 bud

    Tengo ya un token erc20, necesito una wallet, debe cumplir con las caracteristicas mas avanzadas del sector, quiero contar con una oferta en la que se describa el desarrollo fase por fase y entregables de cada fase y sus costos y tiempos.

    €1225 (Avg Bid)
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    11 bud

    I need a multiplayer game constructed with players betting against each other. For a start I will need a pool table with multiple players betting against each other. Payment Deposits and withdrawals will be done via mobile payment and cryptocurrency. M-PESA and bitcoins to be precise. The physics need to be very real, and the game should be tested against any hacks and cheats. The game should be...

    €2149 (Avg Bid)
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    24 bud

    Create a tictactoe web based tron dapp.

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    10 bud

    I want to build a dapp on Tron or Ethereum blockchain. It would use html5 or so.

    €543 (Avg Bid)
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    13 bud
    Block chain Coin Mobile Wallet 2 dage left
    VERIFICERET

    Korean language support qr code reader Mobile number can be transferred Android iOS BTC ETH DASH etc....

    €656 (Avg Bid)
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    19 bud

    I need an app icon for a newly build cryptocurrency wallet app. I want it to be stylish, yet simple and modern. I have included some examples of artwork that I like. The primary thing I'm after is the artwork of the icon. If you have time to make backgrounds for preview, that would be very much appreciated. The color scheme is up to you, although

    €53 (Avg Bid)
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    24 bud

    I need a website to host few tournaments. The website should be mobile friendly.

    €74 (Avg Bid)
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    9 bud

    Hi there, I am about to launch a leather wallet for men and have produced a sample for it. Right now I need an expert opinion on how to improve the product so that: - add one or more features to it - improve the design The wallet as it is right now should be seen as the base. My intention with this project is to have an expert consulting me on

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    11 bud

    ERC-20 smart contract+ICO wallet

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    30 bud

    I am looking for a crypto currency with Wallets, Blockchains and Web-Wallet. Only experienced and who done similar project please only apply for this.

    €1499 (Avg Bid)
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    29 bud

    Vær venlig at Tilmelde dig eller Log ind for at se detaljer.

    Fremhævet NDA

    Build a simple decentralized marketplace like OpenBazzar that enables the buying and selling of items using an ethereum token

    €1152 (Avg Bid)
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    19 bud

    Hi, i want start a ico project in ethereum erc-20. I need a solid and proof smartcontract with site cms. About smartcontract : The token have usd value, when people send eth to contract this one deliver token on personal wallet. I don't need user registration or user panel affiliation, bonus etc, it's all decentralized. We don't collect data of user

    €298 (Avg Bid)
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    15 bud
    blockchain market Udløbet left

    Build a simple decentralized marketplace like OpenBazzar that enables the buying and selling of items using an ethereum token

    €726 (Avg Bid)
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    17 bud
    Blockchain Articles Udløbet left

    ...Ledger Technology (DLT). -Strategic analysis of the space – who are the major players (Blockchain platforms, regulators, application providers, etc.) -Bitcoin, HyperLedger, Ethereum, Litecoin, Zcash. Etc. -The major application: currency, identity, chain of custody. -Trust and Vunerability -Short history of the scaling out of human trust. -High and Low

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    ...is only for senior experts who have proven experiences in Android&iOS wallet of several crypto assets. Need to provide several digital assets like BTC, ETH, Monero, USDT Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need Hybrid is preferred Please describe about decentralize and

    €3858 (Avg Bid)
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    48 bud

    I have bought an ico script from codecanyon. I want to hire a person who has worked with [log ind for at se URL] api and who can integrate the payment gateway in that website. That script is in laravel.

    €110 (Avg Bid)
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    8 bud

    I have bought an ico script from codecanyon. I want to hire a person who has worked with [log ind for at se URL] api and who can integrate the payment gateway in that website. That script is in laravel.

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    4 bud

    MultiSig Wallet App iOS/Android Ability to Buy and Swap crypto using [log ind for at se URL] API Trade crypto using user existing API (binance, coinbase pro, [log ind for at se URL]) Send and Receive Crypto Wallet Creation inc Import and Export feature Live chat support Design will be supplied and API

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    Hi Freelancers I want to have a script or automated system that can watch different crypto wallets and report & send incoming amounts to an exchange to trade them. I am not sure what technologies are possible but everything is accessible via web apis as far as i know. Looking forward to your answer - thank you in advance. Best, Tim

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    24 bud

    I need some to help me deploy ethereum smart Contract asap, the code is ready, all you need is to deploy it. Nothing much!

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    15 bud

    This proj...project is only for senior experts who have proven experiences in mobile wallet of several digital assets. Need to provide several digital assets like BTC, ETH, Monero, .. Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need Provide multi Language Hybrid both possible

    €3602 (Avg Bid)
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    48 bud

    Searching for somebody who could create an online Bitcoin wallet (similar to Xapo). Moreover, a mobile app must be created as well to access the wallet (iOS and Android)

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    62 bud

    Hi there, I need someone who is able to create a ethereum node and implement 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

    €146 (Avg Bid)
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    ...shares of the intellectual property. In our case, the intellectual property will be songs. Also written in the contract, we would like the addresses and wallet value to also be part of the token. Wallet addresses on other cryptos such as musicoins and potcoins to be added to the smart contract to add to the created crypto's stored value. Please let

    €375 (Avg Bid)
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    23 bud
    Wallet Development Udløbet left

    We are looking for a crypto developer to create web wallet which will be logged in through linux servers and it must have secure login. We need mobile wallets for android and ios also. Features will be:- 1. Send and receive [log ind for at se URL] Management backend 3. User registration 4. New address generated after every 30 minutes 5. 12 Coins support

    €90 (Avg Bid)
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    6 bud

    I am frustrated by the options I have to wear my ID badge at work. Either it has to hang from my belt clip or a lanyard. I want to develop a sleek and functional option to wear my ID Badge on my wrist. The options I have found online are not what I am looking for. They are either too bulky, too ugly, or too weird for me to want to wear it to work every day. I would like to work with a product desi...

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    7 bud

    ...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 BTC, TRX, EOS, NEO, LTC, we will also provide a bonus (negotiable). This project will be created

    €172 (Avg Bid)
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    12 bud

    ...project is only for senior experts who have proven experiences in mobile wallet of several digital assets. Need to provide several digital assets like BTC, ETH, Monero, .. Send, Receive, Exchange between assets functions to be implemented Need import/export private key Backup wallet function need high security Several Language Native or Hybrid both possible

    €3195 (Avg Bid)
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    41 bud

    I need a new website. I need you to design and build it.

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    13 bud

    Simple secure web wallet required for new dash fork

    €270 (Avg Bid)
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    19 bud

    I need to modify: [log ind for at se URL] (spark wallet ) with new functionality . 1. I will need a developer to change the look of the app. I need my corporate logo to replace "spark" and design asthetics and coloring to reflect 2 color templates. 2. This app contains an area called "RPC console" which allows users to execute

    €192 (Avg Bid)
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    28 bud
    Money Transfer App Udløbet left

    Hi Gents, Please, find the features below: ● Users (Mobile Apps) - They will be able to add money to the app wallet by pre-paid cards and draw them from the shops. They may exchange money with other users and view the complete transaction history. ● Admin (Web) - Admin will be able to monitor and manage the entire platform, including user data,

    €4014 (Avg Bid)
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    39 bud