Quote from: jackg on September 13, 2017, 10:12:07 PM

The master public key you sent me has NO HISTORY AT ALL.
This means, your seed is wrong or there's an issue with the formats changing between the new versions and old versions of the electrum client.

The seed format has changed since the first wallet realease, I'd suggest you try this with your seed just to check it. This one supported MPK keys and is the latest one I can find that does (though I didn't do too much of a search, though my seed was generated from 2.6.3).

What is that link?

Quote from: worthy1 on September 13, 2017, 11:07:32 PM

Don't want to thread jack but I feel this sounds like a problem I am having at the moment as well.

I installed Electrum 2 nights ago from a link (Version 2.1), created a new wallet, saved the seed address. Used my receive address in my mining .bat file and started mining. The next day I noticed Electrum wasn't connected. No matter what I did it wouldn't (only listing one server).

I reinstalled Electrum from the actual electrum website on my main laptop. This was the latest version and it connects to servers now. I copied my wallet from the mining rig, there was only one wallet called default_wallet.
What was strange was the file opened without asking for my password or anything. None of the address matched and my old address wasn't listed under changed. I then tried to open it from the Seed address I saved the night before. Same issue/address all with no history. Although i may not have any history or funds yet I would still like to see my address from the night before to make sure.

What is odd is none of the new addresses will work with the miner. As soon as I change the .bat back to the old address it starts working again. So I cant even start again with one of these new addresses and I cant access my old one.

Possibly the same issue as OP which is why I thought Id mention it here rather then a new thread...

For me this has for sure become a permanent red flag on electrum. My mistake, someone elses mistake, whatever it is: i was under the impression my coins were safe. I cannot trust electrum after this. In fact, i dont know what i can trust anymore. Cant trust myself either, obviously.

Quote from: HCP on September 14, 2017, 06:07:08 AM

Quote from: jackg on September 13, 2017, 10:12:07 PM

The master public key you sent me has NO HISTORY AT ALL.
This means, your seed is wrong or there's an issue with the formats changing between the new versions and old versions of the electrum client.

The seed format has changed since the first wallet realease, I'd suggest you try this with your seed just to check it. This one supported MPK keys and is the latest one I can find that does (though I didn't do too much of a search, though my seed was generated from 2.6.3).

The seed version should not make any difference... Electrum detects "old" seeds and will recreate the old wallet correctly. I've just tested with Electrum 1.8.1 and 1.9.8... Seeds generated with both of those versions will restore into Electrum 2.9.3 just fine. They show up as "Seed Type: old" when you type them in, but 2.9.3 will still generate exactly the same addresses as the earlier versions using the same seed.

Quote from: Numerous64 on September 13, 2017, 07:46:21 PM

I dont remember how i did it exactly, but i had like a casascius cold wallet, and i got its private key into my electrum with someones instructions somehow. I honestly dont remember, but ive used electrum to send bitcoins after that from the same wallet.

Based on this little snippet of information... Perhaps it is possible that the OP has created a wallet in Electrum, written down the seed... and then imported the private key (older versions allowed "hybrid" wallets that contained both seed AND private keys) and possibly missed this warning:

Wallet has then been recovered from seed at some point... and the private key containing the coins has been lost Undecided

I have the original wallet file that im holding. I have both the seed and the original wallet file. Shouldnt the original wallet file still do its thing?

Did my wallet file just decide to fuck itself up one day and throw the private keys in the trash can?

Shouldnt the original wallet file still contain the private keys?