Bitcoin clients used for mining

[benzone]

Hi all,
I've installed Armory client and it took a really long time (overnight) to initialize. There was an explanation (calculating hash for wallet?), but still I wonder. The default client does no such thing. Could it be that some client SW providers are exploiting their users for mining?

Regards, B.

[Nipperkin]

oh your fine, all the bitcoin clients that are client based (not cloud like electrum) have to download the entire blockchain and this takes a long time because its almost 13gb https://blockchain.info/charts/blocks-size

[Smileyftw]

Some bitcoin client such Multibit don't need to download the entire blockchain.