November 2018
Intermediate to advanced
528 pages
13h 21m
English
Content preview from Blockchain By Example
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Connecting MetaMask to Testnet
MetaMask is a browser plugin that allows your normal browser to behave as a web3 browser, to interact with DApps, and to send transactions without running an Ethereum node. MetaMask achieves this by injecting the web3js API into every web page's JavaScript context.
The necessary instructions for installing and setting up MetaMask are well documented on their official website, at: https://metamask.io. After the process of wallet creation, switch to the Ropsten test network in MetaMask's settings by clicking on the network selector located on the upper left corner. Once you're connected to Ropsten, you'll need to get some free worthless ether by choosing to buy some coins as shown in the following screenshot: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.