sign lots of mesages from different addresses

[jubalix]

Does the MPK or Privkeys or seed become more derivable if you sign or use more addresses::

[1] for addresses that have been used for sending For older electrum wallets

[2] for addresses that have been used for receiving For older electrum wallets

[3] for addresses that have been used for receiving current electrum

[4] for addresses that have been used for sending current electrum


note you never expose any priv address or MPK in this scenerio

also how strong is it to reuse a key.

I am thinking particularly of say
http://www.nilsschneider.net/2013/01/28/recovering-bitcoin-private-keys.html

type attacks

I know have asked this sorta before but want to check again