About Jiko. Jiko is a revolutionary new financial network, enabling companies – from multinational corporations to startups – to both store and move money, starting with the power of T-bills, made spendable. Securely stored at the biggest custody bank in the country, cash is put directly into T-bills with on-demand liquidity. Jiko combines the stability of an established national bank with the modernity of an integrated technology stack. Jiko is ...