December 2018
Beginner to intermediate
564 pages
17h 34m
English
Content preview from Blockchain Developer's Guide
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Block time and block size
As discussed before, each blockchain has a block time and a block size. Each network can have very different values and ways of handling block time. In Bitcoin, for instance, the block time is 10 minutes, while with Ethereum the block time is 20 seconds. In Stellar, the block time is about 4 seconds. These block times are determined by the code that runs the network. For networks such as Bitcoin, Litecoin, and Ethereum, the block time is actually an average. Because these are PoW networks, the block is finished once a miner solves the mining puzzle, which allows them to certify the block. In these networks, the difficulty of the puzzle is automatically adjusted so that on average the desired block time is reached. ...
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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.