Welcome to The Fintech Files, keeping you up-to-date with the latest developments in financial tech and innovation. Regular host Yolanda Bobeldijk is on maternity leave, so this week's edition is brought to you by Dave Morris, FN's features editor.

Playing with encrypted data — without seeing it
With the General Data Protection Regulation deadline bearing down on European financial services, compelling firms to show they comply with the rules by May 25, companies with international footprints are being rudely awoken by the potentially explosive problem of where the data lives — and who regulates it.