Money from toads curse protects (8)
I believe the answer is:
banknote
'money' is the definition.
(I've seen this before)
'toads curse protects' is the wordplay.
'toads' becomes 'knot' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'curse' becomes 'bane' (synonyms).
'protects' indicates putting letters inside (outer letters protect inside letters).
'knot' inserted into 'bane' is 'BANKNOTE'.
'from' acts as a link.
Can you help me to learn more?
(Other definitions for banknote that I've seen before include "Paper cash" , "Monetary quantity" , "Money" .)