Firmware Update Session
Guided update for Ledger, Trezor, or Coldcard with pre-update backup verification and post-update functional test.
DetailsPage Ashfield maintains hardware-wallet care schedules and balance snapshots for holders across South Korea. We document firmware windows, passphrase rotation reminders, and on-chain balance records so your Ledger, Trezor, or Coldcard stays current without guesswork.
Flagship programme
For holders who store meaningful value on hardware wallets and want a documented rhythm: quarterly firmware checks, passphrase hygiene review, seed-backup verification against your written record, and balance snapshots aligned to your chosen reporting dates.
Delivered through scheduled in-office sessions in Gwangju or remote video walkthroughs for clients elsewhere in Korea. You receive a printed maintenance ledger and encrypted digital copies of balance snapshots.
Programme detailsCare plans
Guided update for Ledger, Trezor, or Coldcard with pre-update backup verification and post-update functional test.
DetailsOn-chain balance capture across your wallet addresses, formatted for your accountant or personal records.
DetailsPhysical review of your backup materials, storage location assessment, and recovery drill without exposing seed words.
DetailsOffline Wallet Tracker companion
Available on the Microsoft Store
From clients
The quarterly snapshot saved me hours reconciling three wallets before tax season. They caught an address I had stopped using but still listed on my spreadsheet.
— Hyeon-jun K., Busan · Balance Snapshot Review
Read more client notesFirmware session was thorough. I would have preferred a shorter wait for the Trezor verification step, but the written checklist they left on my desk is genuinely useful.
— Min-seo L., Gwangju · Firmware Update Session
Office
Office 8, 65 Demo-ro, Gwangsan-gu, Gwangju 00000
Walk-in firmware sessions Tuesday and Thursday afternoons. Maintenance calendar reviews by appointment.
Book a visit