How to get all cryptocurrencies real-time statistics with no limit and free?
https://blockchair.com/ is pretty good for data analysis on 9 different blockchain it allow you to filter by lots of settings like date, reward, hash, output etc... You can also directly download the data they offer in different format.

And they also have an API: https://github.com/Blockchair/Blockchair.Support/blob/master/API_DOCUMENTATION_EN.md