I dont think ethereum is scam, ethereum is already known like bitcoin. Ethereum is a crypto currency that helps everyone to have money. Many traders who invested in it already gained huge profit but i can't blame those who are saying ethereum is scam.

NEO has had an amazing run in the past couple of years. People who invested $1k just 2 years ago got a six digit return. That is a good indicator that this tech is great and that it has a bright future. NEO did hit some bumps along the way. The whole network went down for an hour or two when one single node went offline. It is a thing to keep in mind but that seems to be fixed since it never happened again.

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