Odaily News German industrial giant Siemens AG announced on Wednesday that it had issued a 300 million euro (about 330 million US dollars) digital bond on the blockchain as part of a trial by the European Central Bank (ECB). Major German financial institutions, including BayernLB, DekaBank, DZ BANK, Helaba and Baden-Württemberg State Bank (LBBW), participated in the investment in the bond. Deutsche Bank also participated to assist in the settlement process. Siemens said in a blog post that the company had improved on the issuance of a 60 million euro bond through Polygon last year, when the transaction took two days (T+2) to settle. (Coindesk)