DAI is a stablecoin and it was launched by Maker DAO to be used in high value assets across various platforms across net.
Dai has gain popularity since it was launched as lot of various platforms like Gaming, Digital art or NFT, Decentralized finance and various E-commerce platforms.
As we all know crypto is a volatile market and that is why DAI is also used against market volitality and it is easy to convert any crypto currency into DAI and save your earnings.
DAI has become the popular choice for digital artists as you can easily sell your Art and can get paid in DAI instead of any other crypto which has equal potential of upside and downside and that is why users like to get paid in DAI to settle for stable price.
DAI is become popular choice for NFT market as well as and it is just a beginning and Maker Dao is in contact various other Gaming platforms where they can successfully implement DAI as a payment system. I often use DAI to stake on various defi projects through DAPP as DAPP projects are heavily rely on DAI and DAPP popularity and ease to use financial products will make DAI more popular.