Vitalik Buterin
1 min readSep 20, 2017

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This is very useful. This basically means that any future application could automatically whitelist KGT holders as part of either a “N tokens per person” airdrop, or for another application or sale that needs to exclude US buyers. If someone creates a more permanent service that does this sort of thing, in the long term it could greatly increase privacy and reduce risk of data leaks for these kinds of use cases.

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