August 2019
Intermediate to advanced
486 pages
13h 52m
English
Content preview from Mastering Blockchain Programming with Solidity
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Playing with ether or tokens
As we saw previously, the main currency of the public Ethereum blockchain is ETH. There are some other currencies also present on the Ethereum blockchain itself; these follow ERC20 standards and are called tokens. ETH and some of the ERC20 tokens are being traded on some cryptocurrency exchanges.
You can write some smart contracts that involve ETH and ERC20 tokens in your contracts; for example, if you are writing a decentralized exchange on the Ethereum blockchain. To name a few, some existing decentralized exchanges include EtherDelta, IDEX, and KyberNetwork.
When using ETH/ERC20 tokens in your smart contract, you need to ensure the safety of funds. The following are some examples that have led to multimillion dollar ...
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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.
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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.