I guess this could the the best coming feature on how to get the most secure way of keeping your wealth such as physical wealth or even more with digital currencies or cryptocurrencies.  Hackers will be having trouble some cracking the PIN codes or passwords unlike the way they had dominate the cyber world of information, information like bank accounts, social media and other personal accounts.  Our virtual wallets would most likely will be safer and more secure from any form of inconvenience such as fraud and unknown transactions.  So long Hackers!! Most likely it is against wire tapping for any information to be safe from anyone or anybody who could interfere with regards to communication for their own benefits.  That is how I understand what's that is all about.