Studio journal

Notes from the hardware notebook.

Three essays on the ideas inside the Yenao Wallet: a screen the computer cannot repaint, a chip with a single job, and a phrase that lives on paper.

Note 01 · Screen

The screen has to belong to the chip.

Why a confirmation read on a laptop is not the same as a confirmation read on the device.

 Note 02 · Chip

A chip with a single job.

How a dedicated security chip differs from the processor in a phone or a laptop.

 Note 03 · Phrase

Write the phrase once, then leave it alone.

What the 24 words are for, and where they should not be stored.