Add spaces: ThisprocessinvolvessendingGoogleapartofahashofashort-liveddeviceidentifierandreceivingbackfromGooglealistofhasheddeviceidentifiersthatwerepossiblematches,soChromeOSmaydetermineifthedeviceisonthatlist.
This process involves sending Google a part of a hash of a short-lived device identifier and receiving back from Google a list of hashed device identifiers that were possible matches, so Chrome OS may determine if the device is on that list.