​Citi is testing how blockchain could modernize global trade finance as tariffs, geopolitical tensions and technological disruption reshape supply chains worldwide. In its 2026 Supply Chain Financing report, the Wall Street bank said global trade has been rattled by U.S. tariff policy under Donald Trump, broader macro shocks and rising instability, forcing companies to rethink how they move goods and capital. Against that backdrop, Citi highlighted blockchain and artificial intelligence as technologies that have “had a profound impact on trade and supply chains,” helping firms cut costs and improve transaction speed. ... (full story)