Utilize the input text as a context reference, choose the right relationship between Coinbase and bitcoin from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

The focus has to date been on Fintech with the bank or Reinventure taking stakes in a range of organisations including peer to peer payments business SocietyOne, online payments company PromisePay, bitcoin startup Coinbase and security specialist QuintessenceLabs.

Answer: industry