Digital securities risk management through administrator key protection and restoration of the beneficial interest registry
First written in FY2027-H1. 1 of 2 entries say "Restated". Latest entry: FY2026.
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- FY2026RestatedAnnual report
「For protection of the administrator key, Mizuho Trust & Banking Co., Ltd., acting as custodian responsible for managing the administrator key under an engagement from the issuer, uses a function that stores the administrator key required to transfer security tokens provided by Securitize PF in a state inaccessible from outside, preventing its theft by external attackers or unauthorized use by insiders.」
The disclosure continues to describe Mizuho Trust & Banking's isolated management of administrator keys, technical verification by external experts, restoration of the registry through a forced-transfer function, and business continuity measures using the registry held by the trustee in the event of a system failure. - FY2027-H1First statedAnnual report
「For protection of the administrator key, Mizuho Trust & Banking Co., Ltd., acting as custodian responsible for managing the administrator key under an engagement from the issuer, uses a function that stores the administrator key required to transfer security tokens provided by Securitize PF in a state inaccessible from outside, preventing its theft by external attackers or unauthorized use by insiders. If records are tampered with or lost, Mizuho Trust & Banking Co., Ltd., acting as trustee and administrator of the beneficial interest registry for these beneficial interests, restores the registry records (rights information) to their original correct state.」
Measures have been established for Mizuho Trust & Banking's isolated management of administrator keys, technical verification by external experts, restoration of the registry through a forced-transfer function, and business continuity using the registry held by the trustee in the event of a Securitize PF failure.