A curable composition providing, upon curing, a transparent antistatic coating, said curable composition comprising: ▪ at least one binder comprising at least one silane of formula wherein n=2 or 3, p=1 or 2, q=0 or 1 and n+p+q=4 X, identical or different, is a hydrogen atom, alkoxy group, halogen atom, siloxy group or silazane group; R 1, identical or different, is a C1-C10 linear or branched alkyl group wherein: ∘ the alkyl group is substituted with a monocyclic or bicyclic heterocycle at a carbon atom, the heterocycle having a hetero atom selected from oxygen or sulphur, said heterocycle being an epoxy or a thioepoxy group, ∘ a carbon atom of the alkyl group may be replaced by an oxygen atom; ∘ the alkyl group may be further substituted with an organic functional group; R 2, identical or different, is a C1-C10 linear or branched divalent alkylene group linked to the silicon atom and R 1, in which a carbon atom of R 2 may be replaced by an oxygen atom; and R 3 represent an alkyl group, an alkenyl group or an aryl group; ▪ a salt comprising an alkali cation and a counter ion which is the conjugate base of a superacid Alkali + Superacid -; and a Brønsted acid of molecular weight greater than or equal to 200 g/mol, said Brønsted acid is a surfactant of formula R 4 -(R 5) r -ZH wherein: R 4 represents a linear or branched alkyl group; R 5 represents an arylene group; and Z represents a Brønsted acid function such as sulphate, sulfonate, carboxylate, phosphate, phosphonate or phosphinate; r=0 or 1. ▪ at least one binder comprising at least one silane of formula wherein n=2 or 3, p=1 or 2, q=0 or 1 and n+p+q=4 X, identical or different, is a hydrogen atom, alkoxy group, halogen atom, siloxy group or silazane group; R 1, identical or different, is a C1-C10 linear or branched alkyl group wherein: ∘ the alkyl group is substituted with a monocyclic or bicyclic heterocycle at a carbon atom, the heterocycle having a hetero atom selected from oxygen or sulphur, said heterocycle being an epoxy or a thioepoxy group, ∘ a carbon atom of the alkyl group may be replaced by an oxygen atom; ∘ the alkyl group may be further substituted with an organic functional group; R 2, identical or different, is a C1-C10 linear or branched divalent alkylene group linked to the silicon atom and R 1, in which a carbon atom of R 2 may be replaced by an oxygen atom; and R 3 represent an alkyl group, an alkenyl group or an aryl group; wherein n=2 or 3, p=1 or 2, q=0 or 1 and n+p+q=4 X, identical or different, is a hydrogen atom, alkoxy group, halogen atom, siloxy group or silazane group; R 1, identical or different, is a C1-C10 linear or branched alkyl group wherein: ∘ the alkyl group is substituted with a monocyclic or bicyclic heterocycle at a carbon atom, the heterocycle having a hetero atom selected from oxygen or sulphur, said heterocycle being an epoxy or a thioepoxy group, ∘ a carbon atom of the alkyl group may be replaced by an oxygen atom; ∘ the alkyl group may be further substituted with an organic functional group; ∘ the alkyl group is substituted with a monocyclic or bicyclic heterocycle at a carbon atom, the heterocycle having a hetero atom selected from oxygen or sulphur, said heterocycle being an epoxy or a thioepoxy group, ∘ a carbon atom of the alkyl group may be replaced by an oxygen atom; ∘ the alkyl group may be further substituted with an organic functional group; R 2, identical or different, is a C1-C10 linear or branched divalent alkylene group linked to the silicon atom and R 1, in which a carbon atom of R 2 may be replaced by an oxygen atom; and R 3 represent an alkyl group, an alkenyl group or an aryl group; ▪ a salt comprising an alkali cation and a counter ion which is the conjugate base of a superacid Alkali + Superacid -; and a Brønsted acid of molecular weight greater than or equal to 200 g/mol, said Brønsted acid is a surfactant of formula R 4 -(R 5) r -ZH wherein: R 4 represents a linear or branched alkyl group; R 5 represents an arylene group; and Z represents a Brønsted acid function such as sulphate, sulfonate, carboxylate, phosphate, phosphonate or phosphinate; r=0 or 1. R 4 represents a linear or branched alkyl group; R 5 represents an arylene group; and Z represents a Brønsted acid function such as sulphate, sulfonate, carboxylate, phosphate, phosphonate or phosphinate; r=0 or 1.