Gwangju · Shared Custody Records

Documentation trustees rely on when cold wallets change hands

Content Brook Way prepares offline wallet tracking binders, custody handover records, and trustee-facing reference materials for families and fiduciaries managing shared digital asset custody in South Korea.

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Established 2019 · Physical binders, indexed ledgers, and on-site inventory sessions for hardware wallet estates.

Organized archival documents in a leather binder on a wooden desk

What trustees commission from us

Each engagement produces a physical custody record set — not software access, but the paper trail fiduciaries need when signers, devices, or mandates shift.

Flagship

Shared Custody Documentation

Complete binder with device inventory, signer roles, recovery paths, and handover checklists for multisig estates.

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Hardware wallet devices arranged for inventory

On-site

Offline Wallet Inventory Session

Half-day visit to photograph, serial-number, and catalogue cold storage devices without connecting them to any network.

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Consultation meeting with documents spread on table

Advisory

Trustee Briefing Consultation

Two-hour walkthrough for incoming fiduciaries who inherit an existing custody arrangement and need plain-language orientation.

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From the field

Recent notes on custody documentation practices for Korean trustees and family offices.

When my brother became co-signer on our father's Ledger setup, Content Brook Way produced a binder I could actually follow. The seed phrase handling section alone saved us from a costly misstep — though I wish they had included a Korean glossary earlier in the process.

— Hye-jin Park, estate co-trustee, Jeonju

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Get it from Microsoft

Available on the Microsoft Store

Response time

Initial inquiry answered within two business days

Coverage

Gwangju office · on-site visits across Honam region

Next step

Request a custody documentation quote