# [Ride v5] Built-in variables
⚠️ This is the documentation for the Standard library version 5. We recommend to use version 6. Go to version 6
|Rounding methods used in the math functions
|Blockchain height at the script execution time
|Information about the last block of the blockchain at the script execution time
|Variable that contains an empty list.
The variable is used for creating lists. For example, instead of:
you can write:
Lists are created using both methods. The first method is a syntactic sugar
|Variables that are passed as the first parameter to the rsaVerify function
|• For a dApp script or an account script: the Address structure
• For an asset script: the Asset structure
|Transaction or order
|Variable that contains an object of Unit type.
deposit function transfers 5 WAVELETs to the account, that called this function.
Instead of calling the