Financial institutions that choose to roll out real-world asset tokenization platforms and stablecoins on Solana could position the blockchain to “seriously challenge” Ethereum over the long term, according to a Swiss crypto bank. There have been indications lately that even “conservative institutions” may prefer Solana’s scalability to Ethereum’s stability and security advantages, Sygnum Bank said in an Oct. 1 report. “A PayPal executive recently claimed at a Solana event that ‘Ethereum is not the best solution for payments.’” Competitor payment processing firm Visa recently integrated Solana…