Yes I mean this requirement to deal with expiration of vtxos.

I have a server, but I don't want to trust it, I want it to help me keep my vtxos safe if I didn't open my phone for long time (actually happens, I haven't opened Pheonix for ages and forgot battery mode on for weeks), but I don't want the server to be able to steal, or more importantly I don't want to run a server for others that is legally a custodian of money.