The cryptocurrency arm of brokerage firm Robinhood Markets Inc. (NASDAQ:HOOD) announced the launch of its first-ever cryptocurrency staking product, though the new service will be limited to the European market. What Happened: The offering will cover Solana (CRYPTO: SOL), the fifth-largest cryptocurrency by market cap, Robinhood stated in a blog post on Wednesday. The new service would allow customers to stake their SOL holdings using the app, enabling them to earn yields while having the freedom to unstake their funds at any time. Owing to the announcement, Solana’s total value locked jumped …