In brief
Elon Musk posted a red-tinted image of CZ beneath a post by the creator of Dogecoin.
CZ played along with a cartoon showing a character with an arrow in his leg.
Bitcoin fell below $80,000 as a Wall Street sell-off spread to crypto markets
Read the original story: Is the Musk-CZ feud back? Their crash-day posts leave little ambiguity, by Phil Haunhorst, on fi.beincrypto.com