Blockchain has already done this 
.
Just kidding. But you can grab all the information from the blockchain using the coding languages.
People have already done such stuff, and in forums you can see top 100 balances, or top 500 balances of addresses.
.Just kidding. But you can grab all the information from the blockchain using the coding languages.
People have already done such stuff, and in forums you can see top 100 balances, or top 500 balances of addresses.
I mean more like to look at any block chain e.g. scrape bit info charts
Every website now a days provide API which you can use to create a watchlist you need to dig in to accomplish what you are looking for
