3x3x3 Blindfolded

3x3x3 blindfolded, or 3BLD, is a WCA event in which you take time memorizing the 3x3x3 cube, then put on your blindfold and using what you learned about the scramble in memorization time you solve it. The beginner method for this is Old Pochmann, and the more advanced ones being M2, Orozco, Eka, 3-Style, etc.