According to @LexSokolin, Bitcoin miners with positive cash flow and strong operating businesses deserve trader attention, emphasizing fundamentals as the key screen within the BTC mining segment (source: Lex Sokolin on X, Oct 6, 2025). He directed readers to a post by Mike Alfred for examples, highlighting miners cited there for cash generation and operational strength (source: Mike Alfred on X via link shared by @LexSokolin, Oct 6, 2025). Traders evaluating BTC mining equities can prioritize positive operating cash flow and durable operations as primary selection criteria consistent with this signal (source: Lex Sokolin on X, Oct 6, 2025).