By Lars Mucklejohn Molten Ventures said the value of its stake in Revolut has more than doubled after the British fintech secured a $45bn (£34.9bn) valuation in a share sale by employees. The London-listed venture capital investor said on Wednesday that Revolut’s announcement last week, which cemented its status as Europe’s most valuable private tech firm, implied an uplift of around £95m in the value of Molten’s holding. Molten said its stake in the banking app would be worth roughly £160m based on Revolut’s new valuation, up from £65m as of 31 March 2024. The news comes after Revolut – which…