This Lunar New Year, here's everything to know about the Chinese New Year red envelope tradition, from its origin story to continuing the tradition on Venmo and Cash App.

In Italy and Spain, red underwear is worn on New Year’s Eve to guarantee success in the new year. In Brazil, different-colored underwear is worn to grant different wishes.

1. Red Envelopes (Hongbao) Giving and receiving hongbao, or red envelopes filled with money, is one of the most popular Lunar New Year customs. The red color is believed to bring good luck and ward ...