Do you think the correlation here is just wealth, or is there a personality trait effect that pushes for both (or some third thing)?

https://mobile.twitter.com/VitalikButerin/status/1596928369782059008

I think 10k walk/run is a huge outlier here. It contrasts greatly with the others: high-$ barrier to entry hobbies. 
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That said, I think there’s a strong correlation btwn those with disposable income and crypto maxis. A lot of the market is “house money,” either because they already had it or bought bitcoin/ETH 