February 2019
Intermediate to advanced
450 pages
9h 59m
English
Content preview from Hands-On Blockchain for Python Developers
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Stable coin
You have created a digital token that can be sold autonomously. However, you should not restrict yourself to the generic token. You could be more creative in your token smart contract by adding more methods to spice up your smart contract. What methods you should add are dependent on your smart contract's purpose. The token smart contract that is used in a game as currency will have different methods to the token smart contract that is used in a supply chain tracking system.
Let's create a stable coin smart contract. This is a token smart contract that is pegged to fiat money, such as the US dollar. We also want this smart contract to be a bank where we, as an owner, can freeze an account.
We can base our work on an ERC 20 token ...
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