HDmessaging, a developer of messaging and chat applications, has raised $3m in a series A round from IDG Ventures, GrandBank Capital, Nexit Ventures and Lighthouse Capital Partners.

Mustbin, an app designed to organise and store personal data, which can later be shared securely, has launched with a $4.5m series A round led by DAG Ventures and including Northgate Capital.

Ripple Labs, developer of the Ripple protocol, has raised $3.5m in seed funding from IDG Capital, Core Innovation Capital, Venture 51 and Camp One Ventures.

Battery manufacture Solicore closes a $4m round of funding led by New Science Ventures.

Rakuten, a Japanese electronic commerce and Internet company, has led a SGD$1m ($800,000) seed round of funding for Carousell, a Singapore consumer-to-consumer app for iOS and Android.

Japan personal finance iOS app company Moneytree has attracted $1.6m in a seed investment round led by DG Incubation, the corporate venturing unit of Digital Garage. PayPal, MasterCard and Morgan Stanley senior executives also took part in the round.

Imperial College London startup BBOXX lands $1.9m in backing.