Grin is a cryptocurrency oriented to anonymous privacy. Many claim that according to how their project is structured, you could use the currency that replaces bitcoin, which unlike how your transactions work are anonymous, in which also the wallet addresses and transaction amounts are not visible.
The reason why some people consider Grin as one of the most likely successors to the legacy of the most popular cryptocurrency in the world is that it shares similarities with bitcoin that almost no other cryptocurrency has but being a booming cryptocurrency many facts are ruled out. to replace it, its difficulty of use does not attract future investors and the volatility of its price that today is much lower than other currencies.