> The law also stipulates that all transmitted digital signals have to be encrypted.

I'm hoping there's nuance, but I'm surprised the article didn't go deeper on this too. ARP? ICMP? DHCP?

I can't actually load the bill to read it ATM.

try here: https://ilga.gov/Legislation/BillStatus/FullText?GAID=18&Doc...

It only requires the encryption of the specific age-bracket signals mandated by Section 10 of the bill. What you're looking for is here:

Section 10. Age assurance requirements. ... (d) All digital signals transmitted in accordance with this Section shall be encrypted to ensure data integrity and security.