According to CoinMeta, OneKey founder Yishi called on Bitcoin holders to avoid using leverage and investing in altcoins during the current market crash on November 15th, suggesting that they maintain their Bitcoin spot holdings. He pointed out that recent sell-offs have pushed the Bitcoin price down to around $62,000, and investors should protect their finances and patiently wait for market conditions to improve. Yishi also mentioned that Bitcoin has experienced multiple periods of weak demand and limited liquidity in history, emphasizing that surviving in difficult markets is the top priority.