Estonia's digital signature system is the foundation for some of its most popular e-services including registering a company online, e-banks, the e-voting system and electronic tax filing – essentially any services that require signatures to prove their validity.
Eesti digitaalallkirja süsteem on aluseks mõnedele riigi populaarsematele e-teenustele, sh ettevõtte registreerimine võrgus, e-pangad, e-hääletamine ja elektrooniline maksude esitamine – sisuliselt mistahes teenused, millel on kehtivuse tõestamiseks vaja allkirja.