how are you doing
concerning third task i want to know whether we should fill all blocks of the validation board , or as it was written (just start blank without any pivots) in Customer ,Problem and Solution Hypothesis.
Sorry for my late reply.
At this stage, you don’t have to fill all the blocks since you have not done yet customer interviews and validated the problem/solution. All what you have to do is to take the same information you entered in the lean canvas with regard to the customer segment, problem and solution and put it in the validation board to use it later when it comes to do the customer development.