String Metaverse and The Hashgraph Group Launch BillsOnChain.io on Hedera Blockchain to Digitize Global Billing Infrastructure

String Metaverse and The Hashgraph Group launch BillsOnChain.io on Hedera to digitize global billing. The enterprise platform converts invoices and receipts into secure digital assets, enabling streamlined reconciliation, compliance, reduced fraud, and programmable financial workflows. Built on Hedera and leveraging its Governing Council members, the project aims to modernize invoicing for governments, financial institutions, and businesses, marking a key collaboration milestone first announced at Davos 2026.