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You could have a look on SmartCash. Masternodes under 1000$ and so called "Smart Reward". Something like Proof of Stake.
These days they've started private beta for their SmartCard. It's like a debit card to pay with SmartCash.

www.smartcash.cc

Otherwise Bitcoin of course :-)

Bitcoin is always a good coin to be invested in.
I feel like the crypto market as taken a huge dip and is having a really hard time pulling threw it