Absolutely no way to enforce this. My identity isn't tied to my cold storage wallet in any way. You can see my wallet address move funds on mempool but there is absolutely no way to know the identity of the entities transacting or even if it's Illinois residents.
Study Bitcoin.
NEW: Illinois Governor Pritzker has signed a 0.2% tax on crypto transactions into law including transfers between personal wallets, with the Crypto Council for Innovation calling it "the most punitive digital asset tax in the country."