andrew

U.S. restrictions compelled Huawei to transition from TSMC N5 to SMIC nodes, driving architectural efficiency gains (Kirin 9030 outperforms prior TSMC-based designs) and forcing SMIC to innovate on DUV-only scaling with aggressive compromises.

Forced onto inferior SMIC nodes, Huawei offset process deficits by aggressively adopting high-density libraries, adding NPU cores (1 light + 2 tiny vs prior 1+1), and optimizing every transistor — demonstrating how design-technology co-optimization can partially compensate for lithography gaps, a playbook relevant for any constrained foundry ecosystem.

Proprietary cash-flow models beat FICO for younger demographics; Split Pay's 'creditback' debit card uses ACH capture/settlement to dynamically extend 30-90 day float at scale ($80M run rate, 1M users), turning the largest US payment network into a credit-like rail without traditional rails.