Decentralised bond trading and DeFi market-making platform, D/Bond, and Brazilian fintech company, a55, have issued the first regulatory-compliant on-chain asset package worth $50 million. a55, which provides lines of credit to startups, used D/Bond’s ERC-3475 standard to issue the $50 million non-callable digital bonds. D/Bond’s ERC-3475 technology introduces Abstract Storage…