Storage tank for transporting a cryogenic fluid, in particular liquefied carbon dioxide, the tank being a multilayer structure single wall, i.e. without a double wall structure and a gap between the two walls at the level of the inter-wall, the wall delimiting a storage volume for the fluid, said wall comprising the inside of the tank towards the outside of the tank: - a first metal, sealed layer, in particular comprising one from among: aluminium, steel, stainless steel, - a second layer comprising a carbon fibre- and/or glass fibre-based stratified material thickness, - a third layer comprising a thermal insulation thickness, - a fourth layer, and in which the third layer comprises at least one from among: expanded polystyrene, extruded polystyrene, polyurethane, mineral wool, animal wool, wood fibres, hemp fibres, cotton wool, linen, sheep's wool, duck feathers, cellulose wadding, expanded cork, perlite, expanded vermiculite, cellular glass, at least one vacuumed insulating panel, the at least one panel being constituted of an aerogel encased in a vacuumed sealed film, the aerogel could be of the "nanostructured silica" type, a polyurethane foam, in particular an insulating foam of the polyurethane type, balsa wood, a layer comprising a sandwich core, characterised in that: - the fourth layer comprises a carbon fibre- and/or glass fibre-based stratified material thickness, and in that - the layers have the following thicknesses: the first layer has a thickness of between 0.1mm and 6mm, the second layer has a thickness of between 5mm and 40mm, the third layer has a thickness of between 20mm and 200mm, the fourth layer has a thickness of between 2mm and 20mm. - a first metal, sealed layer, in particular comprising one from among: aluminium, steel, stainless steel, - a second layer comprising a carbon fibre- and/or glass fibre-based stratified material thickness, - a third layer comprising a thermal insulation thickness, - a fourth layer, and in which the third layer comprises at least one from among: expanded polystyrene, extruded polystyrene, polyurethane, mineral wool, animal wool, wood fibres, hemp fibres, cotton wool, linen, sheep's wool, duck feathers, cellulose wadding, expanded cork, perlite, expanded vermiculite, cellular glass, at least one vacuumed insulating panel, the at least one panel being constituted of an aerogel encased in a vacuumed sealed film, the aerogel could be of the "nanostructured silica" type, a polyurethane foam, in particular an insulating foam of the polyurethane type, balsa wood, a layer comprising a sandwich core, characterised in that: - the fourth layer comprises a carbon fibre- and/or glass fibre-based stratified material thickness, and in that - the layers have the following thicknesses: the first layer has a thickness of between 0.1mm and 6mm, the second layer has a thickness of between 5mm and 40mm, the third layer has a thickness of between 20mm and 200mm, the fourth layer has a thickness of between 2mm and 20mm. - the fourth layer comprises a carbon fibre- and/or glass fibre-based stratified material thickness, and in that - the layers have the following thicknesses: the first layer has a thickness of between 0.1mm and 6mm, the second layer has a thickness of between 5mm and 40mm, the third layer has a thickness of between 20mm and 200mm, the fourth layer has a thickness of between 2mm and 20mm.