The blockchain ecosystem is experiencing a significant decline in developer activity, with weekly code submissions for crypto projects dropping by 75% in 2025, according to Artemis data. The number of active developers in the crypto space has also decreased by 56% to around 4,600. In contrast, GitHub has seen a surge in AI-related projects, adding approximately 36 million new developers in 2025 and increasing overall platform commits by 25% year-over-year. AI repositories on GitHub have exceeded 4.3 million, with those integrating large language model SDKs growing by 178% to over 1.1 million. Monthly active contributors to generative AI projects have surpassed 1 million. Meanwhile, Ethereum, Solana, and Base have all seen significant drops in active developers, with declines of 34%, 40%, and 52% respectively. Despite the downturn, wallet infrastructure remains a bright spot, with a 6% increase in active developers to 308.