Try solving a pattern-based puzzle posted on Instagram by Optical Illusions. The puzzle presents three patterns and asks you to predict the next shape for a square.

Focus on word shape: Most odd words feature small but noticeable differences from other letters in the word. Look for differences in letter shapes, heights, or curves.

For many, the word “crypto” still evokes images of speculative bubbles, internet memes, or the latest digital scam. But that ...