The first time I used Bitcoin as a transaction, bought phenomenal photos from Iso. First time I used Ethereum, paid a friend back for dinner.
The Eth experience was more fun (predominantly because said friend sold it immediately, ngmi)
"The energy consumption is so large that traders jokingly describe aluminium as 'congealed electricity'. It is why most smelters are built where electricity is cheap, such as Siberia with its hydropower, Iceland with geothermal or Middle East with natural gas."