the input for the 50k is 1 address away from the 550k address that karpeles used.
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update:
relevant thread http://www.reddit.com/r/Bitcoin/comments/1zsw1k/while_the_press_is_focused_on_satoshi_180000/
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from reddit:
"More importantly, the ฿50,000 output here is zero transactions away from the ฿550,000 proof of reserves that Tux signed back in 2011: https://blockchain.info/address/1P3S1grZYmcqYDuaEDVDYobJ5Fx85E9fE9
That ฿550k transaction was made by Karpeles. The ฿50k output has been sitting there untouched since 2011."
more:
"the 424,242.42 transaction made by karpeles is only 3 transactions away from the address of this transaction (!!!) https://blockchain.info/address/1eHhgW6vquBYhwMPhQ668HPjxTtpvZGPC
these very well may be goxcoins..
source: http://www.reddit.com/r/Bitcoin/comments/1zsjnu/i_believe_karpeles_not_satoshi_caused_the_days/"
wut
I will update this thread with your info: https://bitcointalksearch.org/topic/m.5564359
I