INFORMATION MANAGEMENT DEVICE, CONTROL SYSTEM, INFORMATION MANAGEMENT METHOD, AND INFORMATION MANAGEMENT PROGRAM

To provide a technique capable of verifying the justifiability of a request concerning traffic.SOLUTION: An information management device 4 includes: a distributed ledger 44 that stores evidence data based on a situation concerning traffic; a control request verification unit 414 that verifies the justifiability of a control request, which is issued from a request device, on the basis of the evidence data stored in the distributed ledger 44; and a control instruction unit 415 that outputs a control instruction corresponding to the control request in the event that the control request verification unit 414 determines that the control request is justifiable.SELECTED DRAWING: Figure 4 【課題】交通にかかる要求の正当性を検証できる技術を提供する。【解決手段】情報管理装置４は、交通にかかる状況に基づく証拠データを記憶する分散台帳４４と、分散台帳４４に記憶された証拠データに基づいて、要求装置からの制御要求の正当性を検証する制御要求検証部４１４と、制御要求検証部４１４が制御要求を正当であると判断した場合、制御要求に応じた制御指示を出力する制御指示部４１５と、を備える。【選択図】図４