Cash is also known as money, in physical form. Cash usually includes bank accounts and marketable securities, such as government bonds and banker's acceptances. You can buy through it. It is not there to buy goods using directly bitcoin. You need to convert it to become money.
yes you right! cash is good physical form of money it's handy and you can buy anything in an instant while digital currency as bitcoin is digital currency and need network fee and confirmation in every transaction before you can buy.
cash is better than any than bitcoin. we already used cash sense before and bitcoin is new and it is in digital world.
Cash has great value for those people who do not know about bitcoin, or who do not use online shopping. but those people who use online shopping for them bitcoin keeps more value as compare to real money. i think in modern time the value of cash is now decreasing because people are now giving more preference to online shopping and online business. i think its more convenient to use bitcoin for online purposes as compare to cash.