6月30日电，网红券商Robinhood在区块链平台向欧洲交易员提供美国股票（投资服务）。

Group 1 - The core point of the article is that the popular brokerage firm Robinhood is now offering U.S. stock trading services to European traders through a blockchain platform [1] Group 2 - Robinhood is leveraging blockchain technology to expand its services internationally, specifically targeting the European market [1] - This move indicates a strategic shift for Robinhood as it seeks to diversify its user base and enhance its service offerings [1] - The introduction of these services may position Robinhood favorably in the competitive landscape of online trading platforms [1]