Utilize the input text as a context reference, choose the right relationship between enter and Spotify 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.

Van der Kleij is confident that, as with music, blockchain technology will mature and enter the mainstream — we'll get our iTunes or Spotify of finance.

Answer: distributed_by