According to Andrej Karpathy on Twitter, the ideal pretraining data stream for large language model (LLM) training, when focusing solely on quality, could resemble highly curated textbook-like content in markdown or even samples generated from advanced AI models. This insight is highly relevant for traders as the evolution of AI training methods can lead to substantial improvements in AI-driven crypto trading algorithms, potentially impacting the volatility and efficiency of cryptocurrency markets (source: @karpathy, Twitter, June 20, 2025).