Arbitrum jumps 17% on speculation of partnership with Robinhood Post author:MiamiCrypto Post published:June 30, 2025 Post category:Uncategorized Speculation has been growing of a potential tie-up between Arbitrum and Robinhood Markets after an X post. You Might Also Like Saylor says onchain proof-of-reserves a ‘bad idea’ due to security risks May 27, 2025 Crypto sentiment drops amid unease over US market structure bill January 16, 2026 Another solo Bitcoin miner hits jackpot with $371,000 block reward August 18, 2025