BlockchainAdvanced
Sysvar
A Solana system variable that exposes cluster information to programs.
PLAIN-ENGLISH DEFINITION
In more detail
Sysvars provide data such as the current clock or rent parameters through designated accounts or runtime access methods. Programs use that shared information rather than trusting a user to supply arbitrary values.
IN THE WILD
How you might use it
A program reads the Clock sysvar before deciding whether a time-limited action is still allowed.
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