The mobile payment firm, backed by Citi, Starbucks and Visa, has now raised $440m in total, after a reported investment from Singaporean state-backed GIC.
US-based mobile payment company Square has secured $100m in a series E round that valued it at almost $6bn, Fortune reported on Friday.
Although the investors in the current round have not been disclosed, sources have told Fortune that the state-backed Government of Singapore Investment Corporation (GIC) provided most of the cash, and that additional parties have verbally committed to a further $100m.
Square provides a range of mobile payment services and also operates as an aggregator for online merchant…
