The proposed system combines ultra-wideband sensing, decentralised digital identity credentials and zero-knowledge proofs. It is designed to create a record showing that a person was present within a defined zone, while allowing third parties to verify the claim without seeing the person's identity or location details. According to the companies, ultra-wideband radar detects physical presence and confirms signs associated with a living person, including breathing and heartbeat. That event is then linked to a decentralised identifier held in a digital wallet and recorded on the Hedera network as part of a verifiable credential. The record includes a presence binding token, a zone identifier, a timestamp and a cryptographic hash. The companies argue that this creates an audit trail for sectors where proof of in-person attendance or access matters, while limiting disclosure of underlying personal information.