# aleph-n > Enterprise procurement on a formally-verified coordination protocol. > A project of 7R+ GmbH. aleph-n is a procurement platform with the ERP inside it rather than beside it, settling on a coordination protocol whose guarantees are proven rather than asserted. ## What exists so far - *A distributed ledger protocol for supply chain coordination* — Master Thesis, Trinity Business School, Trinity College Dublin, 2023. A critical review of blockchain in supply chain management, then a simplified DLT protocol for cross-organisational coordination, developed under a Popper-style falsification structure with a Rust prototype and Isabelle/HOL formal validation. Public abstract: https://7rplus.com/whitepapers/aleph-n-dlt-protocol/ - *Business model for a dynamic procurement system as platform-as-a-service* — Bachelor Thesis, accadis Hochschule Bad Homburg, 2021. The business-model architecture for delivering dynamic procurement as a service. Public abstract: https://7rplus.com/whitepapers/aleph-n-business-model/ Full texts are under NDA; the public abstracts are linked above. ## Facts - Status: research; no released product - Publisher: 7R+ GmbH, Hauptstraße 13, 63150 Heusenstamm, Germany - Contact: contact@aleph-n.com - Related: https://7rplus.com/ (umbrella), xaitalk, agentiqrm, pagescan