The one line
ScopeNot the note it lives in. Not the other five fields on the card. The recipient sees the value you picked and nothing else, not the duress code sitting one row below it.
For the codes you keep texting
Stop texting your door code.Send one that expires.
The gate code, the alarm code, the lockbox, the Wi-Fi. Keep them in one place, hand out one line at a time, and take it back when the job is done.
Invite-only beta · Built and operated by Siluvo LLC
Kate is at the door · 4:12 PM
Home — 41 Larkspur
House · 6 fieldsFront door keypad
hidden
Alarm — disarm
hidden
Wi-Fi — guest
hidden
memome.online/s/7Q2K
Alarm — disarm
9 1 4 4
Expires in 14:52
Sent to kate@… · one view · revoke any time
The code was never in a text message.
The honest inventory
Right now that code is in four places you don’t control.
A text from 2023
On her phone, in her backups, in whatever cloud those back up to. You cannot delete it from there.
The group chat
Two hundred messages up, searchable by everyone still in it, including the people who left and kept the history.
A note on the fridge
Read by every plumber, sitter and dinner guest who has stood in that kitchen.
Your head
Which is fine, right up until you are in a meeting and someone is standing at your door.
The handoff
One line. Fifteen minutes. One person.
A share is three decisions, and MemoMe makes you take all three. That is the whole difference between handing someone a code and posting it.
A deadline you set
TimeMinutes or hours, never “until somebody remembers.” When it expires the link is dead, not merely hidden, and you can end it early from your phone.
A person, not a URL
WhoThe recipient signs in to open it, against the address you sent it to. A forwarded link is not a key, which is exactly what a screenshot of a text message is.
After it’s used
Change the code once. Not five times.
You rotated the alarm code in March. Four people had the old one, in four different threads, and you told three of them. The fourth found out by setting off the alarm.
Here you end the old shares from one list, and hand out the new value on a link that expires on its own.
Access — Alarm, disarm
Never stores the valuekate@…
Opened 4:13 PM
walker@…
Ended by you · Mar 2
m.torres@…
Until Fri 6 PM
contractor@…
Feb 14
The honest version
Why not just text it?
Usually you should. If it is the guest Wi-Fi and the guest is your brother, text it. Most of what people worry about here never happens, and we are not going to tell you that your house is one message away from disaster.
The real cost is smaller and much more common: a text message is a permanent copy in someone else’s hands. Not because they are careless, but because that is what a message is. It sits in their history, their backup, their next phone. When the sitter stops sitting, when the contractor finishes, when the group chat picks up two people you have never met, the code goes with them.
The problem with texting a code isn’t that it’s insecure.
It’s that you can’t take it back.
So the fix is not stronger encryption. It is an expiry date and an off switch, the two things a message structurally cannot have. Everything on this page is that one idea: hand over the value, keep the ability to change your mind.
The same shape covers more than door codes. The Wi-Fi you rotate once a year. The storage unit combination. The lockbox on a rental. The alarm panel your parents can never remember. The duress code you hope you never use. Anything you have retyped into a message more than twice.
MemoMe is not a zero-knowledge system, and we will not pretend otherwise. We can technically read your data: when you reveal a field, when you export, and when you authorize an AI to use one. That is what lets you open this from a phone with nothing installed. Built and operated by Siluvo LLC. If something goes wrong, you reach someone who can actually fix it.
Invite-only beta
Start with the one code you keep texting.
Not your whole house. One line you have had to send more than twice this year.