Kind of security that can become clear to all (10)
I believe the answer is:
collateral
'kind of security that' is the definition.
'collateral' can be an answer for 'kind of security'. I am not sure about the rest of the definition.
'become clear to all' is the wordplay.
'become' indicates an anagram.
'clear'+'to'+'all'='cleartoall'
'cleartoall' anagrammed gives 'COLLATERAL'.
'can' acts as a link.
Can you help me to learn more?
(Other definitions for collateral that I've seen before include "Confirmatory - recall a lot (anag)" , "Security for loan repayment; secondary" , "Secondary; parallel" , "Guarantee" , "subsidiary" .)