There are many kind of fake Bitcoin some coin use the name of Bitcoin and some of them comparing bitcoin to their coin. Actually in our country many people are not knowledgeable about bitcoin so when the scammer compare their coin to bitcoin they will believe and invest their money.In the real world, we used fiat or physical money in our daily spending. And this physical notes can be use in fraudulence or a so-called Fake Money.
How about in Cryptoworld, is there also a Fake Bitcoin? If there's any, how can we identify it?