Spanish banking giant Santander redeems a $2oM bond through Ethereum blockchain. Santander redeems a $20M bond on Ethereum network The firm has processed an early repayment of its blockchain-based bonds that it issued earlier this year. The bonds proved that the Ethereum blockchain can be used to power the issuance of securities as well as support it across an entire cycle. John Whelan from Santander announced the news on Twitter on Tuesday. He revealed that the company conducted an “early redemption” of their blockchain bond that they had issued a month earlier. He then noted that the successful test indicated