I always wondered what the coins were for. I've seen people give others gifts during live streams and stuff but didn't really know how it all worked. This really explains it all.
Diamonds are converted to US dollars, which you can then withdraw into your bank account. A diamond is equivalent to around $0.05 USD.It is important to note that based on TikTok’s updated gifting policy, only users aged 18 and above can purchase coins and gifts. Furthermore, only content creators aged 18 and above are allowed to receive gifts and earn diamonds.
Source: What Are TikTok Gifts, Diamonds, and Coins?
Curated by Oscar Gonzalez