“Butter by BTS has sold over 3 million copies thus achieving an official triple million certification in the album category. On February 10, Gaon Chart published its most recent list of certified albums and singles. Albums are certified platinum by Gaon Chart after reaching 250,000 sales. Abums that sell a million copies or more are given a “million” certification while they are platinum if they have received 100 million streams or 2.5 million downloads.