Writing

Typing a figure in by hand feels private, and it is not. What determines whether anyone else can read your balance sheet is not who typed it — it is what happens to the number after you press save.

Every wealth tracker sits in one of four positions, and the position determines what its operator can see. Here is the survey, written to be useful rather than to arrive at a particular conclusion.

A description of the actual construction, including the parts that are not encrypted and the situations where this protects nobody. Written for readers who intend to check.

Coin trackers are good at what they do. What they cannot do is tell you what you are worth, because most of what you are worth is not on a chain.

Twenty-five times your spending is a useful starting point and a terrible stopping point. What the rule actually says, and what it cannot say.