Digital currencies have now been around here with us for quite a little long time. For some, it's an old thing, for some it's a whole new scenario. Now, as per my opinion digital currencies have solved our numerous problems. They've given us advantages in plenty amount.
(1) They solve problems of theft and stealing, (ransom and kidnapping may exist though)
(2) They have made transactions possible from distance and quicker than ever!
(3) They provide you more secure wallets. (Your leather wallet in pocket can be taken out easily by someone, not in case of digital currency.