I run my own Electrum / ElectrumX servers so I want to try to connect to them with my wallets.
Some mobile wallets such as Electrum and Coinomi allow me to connect to them. But, others do not such as Mycelium and Green.

Coinomi is kind of interesting in that the mobile version does have a setting to change the BTC SPV but I did not see it for any other coins. And I could not find it at all on the desktop version.

The bitcoin mobile wallet has the setting but it would not connect to my node. So that could be them or me, probably me but wanted it out there.

Now, I did not dig that deep into all the wallets out there so it could be someplace that is really not obvious, or it could be it's just not there.

But, it just seems to be a big security / privacy / functionality thing not to be able to do it. Possibly more privacy then security and a but it's still there.

Any thoughts.

Side note: This is a moderated thread because I can see it going off the rails very quickly with discussions about the wallets not the server choice side. Don't mind a little discussion about the wallets but there are other threads for them.

Stay safe.

-Dave

This somehow makes sense, to the point where people who use SPV wallets usually don't run their own full node.
But that doesn't mean we have to trust them. We should be able to trust someone else if we wish (i.e., connect to another SPV server).

Not that it would make much difference in terms of security, as we can check balances in blockexplorers as well... But certainly in terms of privacy.


I never used their mobile version, but the mobile is much older and it looks safer. There were some problems with coinomi desktop security (about spell check in google), but not with the mobile version (which is pretty old and I like it, I use it for years)

it is mainly because most of the wallets that are referred to as SPV are actually connecting to a centralized server rather than connecting to actual bitcoin nodes using features such as bloom filters. (Electrum is in between, you connect to nodes but the nodes have to be "special" nodes that have a separate index). so practically the choice is limited to only 1 server, the one that the wallet company runs.

but this could partly be because nobody has wanted the feature yet. usually people who go for an SPV wallet don't have the capability or willingness to run their own full node. you can always find your favorite wallet's developers and request the new feature though.

SPV = getting block headers from the network
light wallets = connect to a server

what you want is a wallet with a full node connection to your electrum server, try bluewallet

I think the issue is with green is that like Coinomi it needs a valid SSL because it does connect to the 1 node I have with one.
BUT, for internal testing I just hit the 192.168.1.x private IP.

Probably should sit down and do some methodical testing as opposed to just playing around and randomly trying but that would be work.

Re-compiling mycelium to do this is just not going to happen.

Stay safe.

-Dave

Apprently, that's no longer possible. I tried to connect to my own server, it just get stuck at "SPV synchronization..." and whenever I make a transaction it says "SPV unverified".

I reached out to @BlockstreamHelp in Twitter, and this was their response:



@DaveF Have you tried BRD wallet? It says "Connected" even when I put an invalid IP address. The payments are going through just fine so I can't tell for sure if it's not working and I'm being connected directly to BRD servers, or it's just because I didn't configure my node properly.