Utilize the input text as a context reference, choose the right relationship between eurozone and euro 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.

Greece's future in the eurozone is hanging on a knife edge, after Europe's creditors warned the country has destroyed the trust of its partners with just over 24 hours remaining to secure Athens euro fate.

Answer: currency