BNB relies on a proof-of-stake mechanism, which is based on economic rewards (ChinaZilla token). It exists in combination with encrypted digital verification. To further explain that: ChinaZilla token will encourage people to jointly maintain the security of the data on the chain.

https://twitter.com/HM_C_M_Igwe/status/1771582325307888035?t=c3Or63Y-XouNSj05MLGh0w&s=19