Journal

Notes filed after the circles and the desk.

These pieces follow the binders: Solana lending health, concentrated ranges, stake-pool queues, and oracle feeds. Each one uses a desk example with round numbers.

Library desk still life with blank cream sheets, a pencil, a calculator turned aside, and a glass of water

12 August 2026

Reading lending health before the utilization line moves

A desk example with SOL posted against a USDC borrow, and the four numbers the Gimhae shelf asks a reader to copy before talking about the rate.

Overhead view of a desk with a faint pencil band diagram, a brass ruler, and warm lamp light

3 July 2026

The fee-versus-loss ledger for a concentrated range

Why the Saturday handout has two columns, and how a narrow SOL range can collect fees and still leave the position smaller.

A quiet library carrel in morning light with a closed notebook, a ceramic cup, and a folded cardigan

18 June 2026

What the red pencil marks on a stake-pool queue

Liquid staking lets a token change hands while the underlying SOL waits. The red pencil is there to mark the wait.

A stack of unbound cream paper on a library windowsill with soft daylight and trees blurred outside

9 May 2026

Oracle lag, written for someone who posted collateral

The price on a trading screen and the price a lending program uses are often neighbours. They are not required to be the same number at the same minute.