Why households keep paper ledgers beside cold wallets
Cold storage protects keys; paper ledgers protect memory. Here is what we file in every Gangnam binder.
Journal
Field notes on offline vault record-keeping
Practical notes from our Gangnam consultation room — written for households, not traders.
Indexing Ethereum addresses without exposing seed phrases
A step order we use when clients bring multiple devices to our consultation room.
Reconciling stablecoin reserves from exchange CSV exports
How we match USDT and USDC rows when clients bring five different file formats.
Quarterly vault review checklist for Seoul households
Fifteen items we tick through every March, June, September, and December.