People will always look for ways to cheat the system. This has never changed and it is doubtful that it ever will. That is why exceptional security and scrutiny systems are put in place.
Throughout time the act of counterfeiting money has been a prominent exploit of fiat cash. Even in contemporary Western countries where fiat currency is intricately crafted so as to prevent this, people still find ways of faking it. Technologies such as counterfeit money detectors offer a way of stopping this problem in its tracks, but these aren’t enough either. Cryptocurrency and blockchain technology may provide the best system to turn counterfeiting money into a thing of the past, but this does come with its own problem which goes by the name of double spending.
As of January 10th 2018, the price of Ethereum (ETH) has reached an all time high of $1,417.38 according to CoinDesk, or $1,402.87 according to CoinMarketCap. This is a milestone achievement for the coin and the technology, and suggests that Ethereum has a bright future as we head into 2018.