Things worth reading twice.

Not a blog. A handful of pieces we keep current rather than a feed we would eventually abandon — each one reviewed and dated rather than published and forgotten.

What actually happens when a kids’ money app shuts down

The money is usually fine. The plan rarely is. A look at what families experienced when apps in this category were acquired, paused or wound down — and which parts of the damage were technical rather than financial.

A lock made of policy, and a lock made of code

Most products that promise to hold money until a date are promising to choose not to release it. That is a different thing from being unable to, and the difference only shows up on the day it matters.

Why Bitcoin is the first capsule, and not the only one

The asset that needs no partner is the asset that can carry the whole promise on day one. What that buys, what it costs, and what the euro version will change.

An irrevocable trust, at consumer prices

Wealthy families have had a version of this for a century; it involves a lawyer and several thousand euros. What the same idea looks like when it costs a hundred and takes ten minutes.

Eighteen letters

The part of the product nobody asks about in advance and everybody talks about afterwards: what happens when a child reads two decades of birthday notes in one sitting, before they see a number.

Their 18th birthday is already on the calendar.

Setting one up takes ten minutes. We open capsules in small groups so every founding family gets a real conversation.

For parents and guardians (18+). One email to confirm, one when your capsule is ready — nothing else.

iPhone and Android apps arrive with the first capsules. Everything works in a browser on day one.