December 2018
Beginner to intermediate
564 pages
17h 34m
English
Content preview from Blockchain Developer's Guide
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Dealing with threats in smart contracts
Every decentralized network will have to deal with race conditions caused by different orderings. It is critical that smart contracts be carefully evaluated for possible race conditions and other attacks. To know whether a race condition bug is possible is as simple as knowing whether more than one function call is involved, directly or indirectly. In the preceding case, both the user and the app call functions; therefore, a race condition is possible, and so is an attack called front running. It is also possible to have race conditions inside a single method, so smart contract developers should not let their guard down.
Each network has a different model for contract execution, and as a result, each ...
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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.