What is the best chain to wear all the time?

I'm curious, what do you think is the best chain to wear on a daily basis? Is it something that should be flashy and draw attention, or something more subtle and understated? What factors should one consider when choosing a chain to wear all the time? Do you have any personal recommendations or favorite styles? And how does the choice of chain reflect on one's personal style or taste? I'd love to hear your thoughts on this!