OB1, the development company behind decentralized online marketplace OpenBazaar, has raised $5 million in a Series A funding round. : OB1, the development company behind decentralized online marketplace OpenBazaar, has raised $5 million in a Series A funding round According to a press release, investors in the round include Chinese bitcoin mining giant Bitmain and Canadian VC firm OMERS Ventures. While some blockchain companies see initial coin offerings as an alternative to traditional fundraising, players like OB1 clearly welcome both.