Altcoins faced significant declines on November 12, with KDA leading the downturn by plummeting over 59% to $0.0058. This broad market drop occurred as Bitcoin briefly fell below $103,000. Other notable declines included AIA, which fell over 30% to $1.8925, AKE dropping more than 23% to $0.00077, ZEC decreasing over 18% to $466.49, STRK falling over 17% to $0.1416, and COAI declining more than 16% to $0.886.