What is your opinion on money invention as bartering or debt payment? Give reasons for your assertion.

Give example of some objects used as money in ancient time. Which one do you like the most and why?

How much purchasing power of dollar has gone down since $1913?$ How much is the market cap of

Cryptocurrency in,

i$.2010$

ii$.2015$

iii. $2018$

iv$.2019$

v$.2020$

vi$.2021$

vii. $2022$

viii. $2023$

Plot a rough sketch of the capitalization and predict how high or low it can go by $202\mathrm{5?}$