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  2. OPNX
  3. Alternatives
The best alternatives to OPNX are Coinbase, and Ark7.
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Best alternatives to OPNX
  • Coinbase is a digital currency exchange whose mission is to create an open financial system for the world.
  • Ark7 is the simplest way to invest in real estate, period. Diversify your portfolio, earn passive income, and choose your properties from our curated list in the hottest markets in the U.S. No platform fees, no management hassle, no minimum investment.