Still if it syncs at night but you want to do a transaction until the next evening it will take some time to sync, still not practical. I run a node in a 50$ computer from ebay. Cheaper than changing the battery of most phones.
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It doesn't take that long to sync a few hours worth of blocks... maybe if you use Raspberry Pi's ewaste it nay take long.
Homeservers are not pratical. You can't even securely/privately connect to it while away from home. The node must be on the phone.
You can connect through tor. Phone security is not great and you won’t have keys in it anyways so you will need a HW anyways
Desktop security is a joke. Mobile operating systems were designed with security as a foundational component. They were built with sandboxing, verified boot, modern exploit mitigations and more from the start. As such, they are far more locked down than other platforms and significantly more resistant to attacks. GrapheneOS running on the latest Pixel device is the best of the best in terms of software hardware security.
Hardware wallets are a waste of sats.
Still a computer with Start9 OS looks a more practical/ high security set up but if you really want it in the phone go for it
Home servers are not pratical (specially for normies) neither secure.
Start9 has no real security, it's a small team of devs devs. It's running on generic hardware with no secure element—even if you encrypt your shit nothing will stop an adversary from bruteforcing your password and accessing all your data. This is why a 6-digit PIN on a Pixel device is more secure than your 20+ character Start9 password.
No normie is gonna run a node, you need to know why you want to run it. What you call normie will use the wallet’s node.
Not much insentive to break a node just to get the xpub and see the a balance that you can’t associate to a person. Nobody put their keys in their node.
Your ser up may be more secure, not very practical but again if that’s your set up…. Like storing food in a multi key save…. Or are you planning to store your keys on that pixel?
Yes. I use an offline-only Pixel device with GrapheneOS for signing my transactions. I call it 'GrapheneSigner'. It's more secure than an old laptop with years behind in security updates or any Hardware wallet.
A hardware wallet must have much less attack vector, just by logic. Again nobody would secure their keys in a old laptop
You shouldn't store your keys on any device. You should memorize your seedphrase and only use air-gapped laptop/phone/hardwarewallet to sign the transactions.
Hardware wallets are specialiced for that, laptops and phones are not. You go with your thing but doesn’t mean it is more secure or practical it is just what you want
Hardware wallets are ewaste and can be cracked (just go on Youtube and see). Also, most people buy their HW walletd with KYC, good luck when SHTF and gov comes to confiscate your coins.
Ok, looks like you are in paranoid phase. Blockstream or coldcard delete you data after 6 month and never been cracked. Phones are more insecure than HW, whatever way you wanna justify yourself. They cracked a trezor one with old firmware back in the days. All hardware becomes ewaste even you loved pixel lol
Can you prove they delete your data? No. If you paid you credit card then that transaction will be for ever saved.