December 2018
Beginner to intermediate
564 pages
17h 34m
English
Content preview from Blockchain Developer's Guide
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Smart contract approaches
One approach to smart contracts is to allow full-featured software to be embedded either inside or alongside a blockchain, able to respond to blockchain events. This is an approach taken by Hyperledger Fabric, Ethereum, NEO, and other such companies. This approach gives maximum flexibility, as there is essentially nothing that cannot be written into the blockchain system. The downside of this power is the risk of making errors. The more options available, the more possible edge cases and permutations that must be tested, and the higher the risk that there will be an undiscovered vulnerability in the code.
The other approach to smart contracts is to greatly reduce the scope of what is possible in return for making ...
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