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Built-in variables are Solidity variables that allow you to get information about your environment: the calling address, the amount of Ether sent in the transaction, etc…
In this video I am going to show you the most useful Solidity built-in variables.
We’ll also see focus on some common misunderstanding, like what is the difference between tx.origin and msg.sender, and what’s the difference between a Solidity timestamp (block.timestamp / now) and a Javascript timestamp.
WATCH Whole Solidity tutorial series: https://www.youtube.com/watch?v=p3C7jljTXaA&list=PLbbtODcOYIoE0D6fschNU4rqtGFRpk3ea
Other Links:
– Forum: https://forum.eattheblocks.com
– Blog: https://eattheblocks.com
– Author Website: https://www.julienklepatch.com
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