Robinhood has introduced its stock tokenization service on the Arbitrum One network, with the market capitalization of these tokens surpassing $13 million, according to Token Terminal data. Johann Kerbrat, head of Robinhood's crypto division, highlighted the benefits of using Ethereum for its inherent security and Arbitrum for its engineering flexibility. This move marks a significant step in Robinhood's expansion into blockchain technology, leveraging the capabilities of Ethereum's layer-2 solution to enhance its offerings.