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I like the idea. Whales would be able to distribute SP to users they trust making them mini whales. the SP would stay in accounts so I don't see any harm.

I would just see some potential to cheat the system if bot accounts started sending sp to other accounts which are than cashed out

How would you prevent exchanges from getting an own Power Wallet?

Being able to transfer Vests would render Steem completely useless.

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