Verifiable workflows for better interoperability Caelum is a blockchain solution for cross-company workflow orchestration, to solve the propensity for conflicting records between companies, that lead to disputes, delays, and unplanned costs that are the usual problems encountered when collaboration processes span the enterprise boundary. Our software uses a distributed ledger layer to orchestrate business processes beyond the own company boundaries, allowing the creation of cross-organisational workflows and wider ecosystems amongst suppliers, customers, regulators and auditors. Caelum provides the foundational business logic to automate business processes and enable digital assets, decentralized applications, and payments