Is theta highest at the money?

Could you please elaborate on the statement "Is theta highest at the money?"? I'm interested in understanding what you mean by "theta" in this context, and how it relates to the concept of "at the money." Could you explain how theta is measured and why it might be considered highest at a specific point? Additionally, I'm curious about the implications of this statement for traders and investors in the cryptocurrency or finance industry. Could you provide some insights into how this understanding might affect decision-making and risk management?