Bitcoin is a very sophisticated global distributed asset register.
It's possible to imagine 1BTC representing 100 shares of twitter and whoever holds the coin on the day of dividends is entitled to the return.
Next generation of central securities depositories or custodian banks
IBMBanking Executive Architect Richard brown speaks in this video
http://youtu.be/VDO7TDMlxsY?t=4m37s
Bitcoin for finance!
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