Los Angeles Rams wide receiver Odell Beckham Jr. made headlines last November when he announced he would be converting his 2021 salary into bitcoin.

The problem for Beckham: that bitcoin
BTCUSD,
+3.40%
prices have been plummeting.

Cryptocurrencies including bitcoin and ethereum
ETHUSD,
+5.23%
extended their ongoing slide on Monday. Ether was down 8% over the