attributes         

(assessment of confidence attributes) 

• attested (letterlocking category)

• attested

• inferred (letterlocking category

• inferred

• uncertain (letterlocking category)

• uncertain

authentication enhancement 

• authentication device

• deterrent

• fake security                 

• tamper-evident 

     

(letterlocking category attributes) 

• access

• extant

• epistolary

• fold memory         

• placeholder    

manifestation

• opened letter 

• partially opened letter

• refolded letter

• unopened letter 

• virtually unfolded letter

security score          

• high security score

• low security score      

• zero security score

Explore other top concepts

activity

actors 

conceptual objects

cut

discipline

features                     

historical activity

materials       

objects       

places      

slice 

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