....And Piotr, wtf is a "correct horse battery staple" input

besides my favorite xkcd reference, that is

that leads to address 1JwSSubhmg6iPtRjtyqhUYYH7bZg3Lfy1T with its publicly known private key.
This address currently has 0.38667139 BTC in 141462 unspent outputs, that are being used to spam the network.
and so on...