Critics of cryptocurrency are valuable. We should embrace them.

Cryptocurrency and blockchain, like any technology, has flaws. Critics of cryptocurrency are quick to point out these flaws. This is a great opportunity for those in cryptocurrency to work on the technology and improve it. Resist the urge to cast such criticisms aside, saying "they don't know what they're talking about", or "FUD". Rather, use this free advice to find out how to make the tech better.

If a chain or application actually is worthless, they've saved you a hit.

If a chain or application is valuable, they've shown you where you can make improvements.

If what they've said is factually incorrect, they've revealed a misconception in the wider population that's impeding adoption. While the fact may be wrong, the opinion is very real.

Also remember very few opinions are wholly factually correct or incorrect. There is usually a mix of truth and falsehoods. Both are useful.