According to the source, Jim Cramer warned that crypto is in '2000 territory on specs' and urged investors to trim positions before a potential correction, signaling a risk-off stance for traders focused on BTC and ETH; source: the provided source. The warning points to reducing exposure and taking profits in higher-beta altcoins while tightening risk on core holdings, aligning with a de-leveraging approach highlighted by the statement; source: the provided source.