Hardware wallets can reduce certain risks, but they do not make operational security foolproof. The attack surface also extends beyond the device itself: backup phrases, personal data, software updates and transaction hygiene all matter.

Self-custody can expose investors to multiple forms of security risk

For an investor making a modest portfolio allocation, that is an uncomfortable mismatch. The operational burden does not improve bitcoin’s expected return. It is simply the cost of a direct bitcoin ownership model.

Bitcoin is not static

Bitcoin is built to resist arbitrary change, but it still evolves. Software upgrades, wallet compatibility issues and occasional chain splits can create decisions for direct holders.

A blockchain split can…