nMany
physical objects are like certificates:
nAny
type of license – vehicle tabs, restaurant liquor license, amateur radio license,
etc.
nGovernment-issued
IDs (passports, green cards)
nMembership
cards (e.g. Costco, discount cards)
nAll
of these examples bind an identity and certain rights, privileges or other
identifiers
n“BAL
==N1TJT” signed FCC
n