How SWIFT and Telegraph Wires Built the Modern Global Payments System

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In 1871, Western Union pioneered electronic money transfer by realizing funds never needed to physically move — only ledger entries and telegraph messages did. This core principle still underpins every international payment made today. By the late 1960s, explosive growth in cross-border transactions exposed the chaos of incompatible bilateral banking systems, prompting 239 banks from 15 countries to form SWIFT in Brussels in 1973. The cooperative launched its standardized messaging network in 1977 to replace a fragmented patchwork of private codebooks and telex agreements. Crucially, SWIFT itself moves no money — it only transmits precisely formatted payment instructions between banks, a distinction that explains most delays and fees in international transfers.

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