The crypto trading days of former FTX CEO Sam Bankman-Fried are over, and the recently convicted founder has found a new thing to trade while in jail — fish. 

The Wall Street Journal reported on Nov. 23 that Bankman-Fried recently traded four packets of Mackerel — known in prison as “macks” — for a haircut before his criminal trial last month.

Mackerel packets have risen to be the hottest trading commodity in United States prisons since tobacco products were banned. Postage stamps and soup packets — “soups” — respectively come second and third on the value hierarchy. The commissary of the Metropolitan Detention Center (MDC) where Bankman-Fried is housed sells mackerel…

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