In a $2$x$8$ table, compare Bitcoin and Ethereum in terms of the following: $($Hint: Information can be found online or in the blockchain explorer. Write the date$/$time in which you access the online content$).$

$($a$)$ Year of release.

$($b$)$ Average block time.

$($c$)$ Current block reward.

$($d$)$ Maximum supply.

$($e$)$ POW hash function.

$($f$)$ Current block height $($latest block number$).$

$($g$)$ Current network difficulty.

$($h$)$ Current hashrate.