Mother of God!  Any address controlling more than 100 BTC keeps me up at night.  And I only got lazy and bumped things up to that value because BTC got into the single digit $/BTC.  It's not the crypto that bothers me as much as other more course failure modes and the desirability of distribution.

 edits - slight adjustments.

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So I guess my android tablet running http://wallet.schildbach.de  with around 50 btc would give you palpitations and drive you to drink?