Nobody opened your mail and nobody broke a law. Still, by Friday the whole block knows more about your life than your cousins do.
Now say the post office offers a fix. For an extra fee each month, you can rent a box with a wooden door. Sounds fair. Watch what happens next. The few people who pay for the wooden door stand out. Neighbors start to wonder what they are hiding. The privacy you paid for now makes you look guilty.
That is the trouble with financial privacy sold as an add-on. Financial privacy means the details of what you earn, spend and save stay between you and the people you choose to deal with. When it is optional, using it marks you. When it is the default, it covers the nurse, the shop owner and the retiree the same way, and nobody stands out for having it.
Here is the fair counterargument. Fraud is real and scams are real. Police and tax offices need a way to follow money when a crime happens, and a system that hides everything from everyone could protect the wrong people. I take that seriously. The tool most free countries already use for mail and for homes is a warrant: a judge signs off on looking at one person for one reason. A warrant opens one door for one case, and the rest of the street keeps its doors.
How I would know I am wrong: if places where private payments are normal show clearly more fraud than places where every payment is watched, with no gain in freedom for ordinary people, the case gets weaker.
Bitcoin is a useful test here. Its ledger, the shared record of every payment, is public by design, so anyone can read it. Privacy on Bitcoin takes some work, like using a fresh address for each payment and running your own copy of the software, called a node, so you are not asking a stranger to look up your coins for you.
I've held bitcoin since 2015. I would rather every house on the street got a wooden door for free.
if this made you look twice at your own mailbox, Zap ⚡