Rakuten and Bloomberg Beta have backed a $10.4m round for Everledger, the developer of a tracing system for precious resources.

UK-based materials tracing system developer Everledger has secured $10.4m in a series A round featuring e-commerce firm Rakuten and Bloomberg Beta, the early-stage investment vehicle for media group Bloomberg.

The round was co-led by financial services group Fidelity Investments and investment banking group GMP Securities, which provided a combined $8.3m. Venture capital fund Graphene Ventures and VC firms Vickers Venture Partners and Fenbushi Capital also took part.

Founded in 2015, Everledger has built a blockchain-based ledger system that uses machine…