Not sure if that is very usefull, in bitcoin and ltc, there are change adresses, your coins shift from one address to another even withouth most users notice about, for example, you send 0.5BTC and have 4 BTC -> there is an aoutpu of 1BTC from which 0.5BTC goes to your target and 0.5 back to another change address which you have the keys, now you have 3BTC address and 0.5BTC address
This makes the number of used accounts in BTC and clones increasse very easy

And about what to do with that 30k, don't ask here, is the best thing I can say... do your own research and don't get biased by any of the 98% trolls here