00533nam a2200169Ia 4500 20260205063724.0 260111s9999||||xx |||||||||||||| ||und|| 9781847923325 332.42 V684C Vigna, Paul Crypto currency : how bitcoin and digital money are challenging the global economic order London Bodley head 2015 357p. Currency question ;Electronic commerce ;Electronic funds transfer Casey, Michael J./ BK 190794 190794 0 0 0 2 TSCSL TSCSL 2026-02-05 0 332.42 V684C 227047 2026-02-05 06:37:24 2026-02-05 BK ISSUED in 2023