The forex AI arms race escalates. Tier-1 banks spend $3B+ annually on AI R&D. Citadel’s "Project Titan" recruits quantum physicists to build self-improving trading algos. China’s "Digital Yuan" project trains AI on Belt & Road forex flows. Winners achieve sub-millisecond prediction edges; losers face 40% drawdowns. The unintended consequence? Rising barriers to entry could consolidate 80% of forex volume under 10 entities by 2030.