Field Notes

Practical notes on mining profitability math, Korean electricity brackets, and desk-scale hashing decisions.

15 July 2026

A dual-card schedule can look strong on a dashboard and weak once progressive power steps and fan limits enter the model.

28 June 2026

Sticker TDP is a starting rumor. Profitability math needs the number your outlet actually sees.

3 June 2026

When hashrate is modest, a 1% pool fee is not a rounding error — especially after Korean power is subtracted.

12 May 2026

How progressive brackets change the true cost of overnight GPU hours on a typical apartment contract.