Bitcoin, Blockchain, Data Science, Data Visualization, Thermodynamics.
$25–50M of dust. The average fee today is much lower than it was in late 2017. Only 0.0005% of BTC is dust at today’s fees. And at today’s much lower market cap of ~$65B, this represents only $300k of dust! The value trapped as BTC dust has shrunk from as much as $50M in late 2017 to only $300k