Vertical axis wind turbine with moving blades including a rotor which follows a vertical direction along one main revolving axis, three or more blades (3a, 3b, 3c), all the same, directed vertically, placed peripherally in respect of said rotor, equidistant one from each other and from the main revolving axis, parallel to said main revolving axis, with each blade (3a, 3b, 3c) following a linear vertical direction with constant wing profile, and its own respective vertical rotation axis, (Xa, Xb, Xc); wherein each blade (3a, 3b, 3c) is connected to said rotor through first connecting mechanisms (4a, 4'a, 4b, 4'b, 4c, 4'c), one or more for each blade, for allowing said blade (3a, 3b, 3c) to rotate around said main revolving axis, and second connecting mechanisms (50a, 50b, 50c), in the same amount as the first connecting mechanisms (4a, 4'a, 4b, 4'b, 4c, 4'c), introduced between said blades (3a, 3b, 3c) and said first connecting mechanisms (4a, 4'a, 4b, 4'b, 4c, 4'c), for allowing said blade (3a, 3b, 3c) to rotate around its own respective vertical rotation axis(Xa, Xb, Xc) so that it can be placed in different angular positions with regard to said first connecting mechanisms (4a, 4'a, 4b, 4'b, 4c, 4'c), while said blade (3a, 3b, 3c) revolves around said rotor, said angular positions being obtained by means of auxiliary control mechanisms (60a, 60b, 60c), associated with said blade (3a, 3b, 3c), which include one control element (62a, 62b, 62c) having a first end (64a, 64b, 64c) and a second end (66a, 66b, 66c), wherein the first end (64a, 64b, 64c) is connected to a control arm (63a, 63b, 63c), which is firmly fixed onto said blade (3a, 3b, 3c), and the second end (66a, 66b, 66c) is connected to a piloting device associated with a centre of said rotor characterised in that said piloting device is single and in common between all blades (3a, 3b, 3c), and includes: one single control pivot which follows a piloting axis (Xp), vertical and parallel to said main rotation axis, several first connecting elements (74a, 74b, 74c), of specified length, for connecting said control pivot to said second ends (66a, 66b, 66c), and several second connecting elements (84a, 84b, 84c) whose first ends (85a, 85b, 85c) are joined in specific points (92a, 92b, 92c) to said rotor and whose second ends (86a, 86b, 86c) are joined in a middle point (87a, 87b, 87c) of said first connecting elements (74a, 74b, 74c) and in that said first connecting elements (74a, 74b, 74c) are twice as long as said second connecting elements (84a, 84b, 84c). one single control pivot which follows a piloting axis (Xp), vertical and parallel to said main rotation axis, several first connecting elements (74a, 74b, 74c), of specified length, for connecting said control pivot to said second ends (66a, 66b, 66c), and several second connecting elements (84a, 84b, 84c) whose first ends (85a, 85b, 85c) are joined in specific points (92a, 92b, 92c) to said rotor and whose second ends (86a, 86b, 86c) are joined in a middle point (87a, 87b, 87c) of said first connecting elements (74a, 74b, 74c) and in that said first connecting elements (74a, 74b, 74c) are twice as long as said second connecting elements (84a, 84b, 84c).