Torzon Decisions Every choice this involves, with what each option costs you
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Bookmark or keep a list

Storage sounds like the boring decision and it decides how often you end up somewhere you did not intend.

A dated list somewhere you control

What you gain
You see the full string every time, you can note where each came from, and you can prune it.
What you give up
You have to open a file rather than click a favourite.
Suits
Everyone.

A browser bookmark

What you gain
One click, always there.
What you give up
It hides the address behind a name you chose, which removes the moment you would have noticed it changed. Often synced to an account as well.
Suits
Nobody, for this. Bookmark a reference page if you want a shortcut, not an address.

Memory

What you gain
Nothing to store.
What you give up
Nobody recalls fifty six characters, and near enough is precisely the failure being exploited.
Suits
Nobody.

Why the hidden string matters

A forged address matches the opening characters, because that is cheap, and differs somewhere in the middle, because matching the whole thing is impossible. So the only thing that catches it is looking at the middle, and a bookmark showing you a name you typed shows you nothing at all.

A list also lets you do the thing that actually protects you, which is deleting entries. An address that has dropped off the published set and stayed on your list is the exact thing that gets picked up by somebody else, because it arrives with years of recognition attached.

The rule that follows from thisAn address that stopped working and later starts working again has not recovered. Nothing retired returns under the same string, so something resembling it is answering under different ownership.

What to write down beside each one

What tips it

How often you check in. Somebody who visits weekly will notice a change with or without a list. Somebody who visits twice a year is exactly the reader a stale bookmark is waiting for, and they are also the reader least likely to have a list. Comparing what you hold against the published set every few weeks takes under a minute and is the whole maintenance burden.