Someone knows how i can collect data from start mining "difficulty, blocktime, blockreward .... etc" from most popular altcoin
I want create history calculator...

easy to collect:
ETH data download from etherescan in csv
ETC data find in page source code from etcchain

don't know how:
zcash
zcash classic
Monero
Expanse
ByteCoin
LBRY
GroestlCoin
Diamond
Decred
Sia
DGB-Groestl
Myriad-Groestl