There are a couple of good websites that can you can visit to learn about the fee, for example this one: https://en.bitcoin.it/wiki/Transaction_fees

I'll try to explain it as simply as possible. This explanation made a lot of abstractions, and is in no-way the complete bitcoin theory!!!:
- in order to send bitcoins to somebody else, you create a transaction. It's basically a piece of text where you specify which inputs you'll use to create an output. In your case you used lots and lots of inputs. Each input has to be specified in the transaction.
- A miner puts the text of the transaction into a block, as soon as it's written in a block, it has 1 confirmation
- The size of the block is limited to 1 Mb, when it's full the leftover transactions have to wait untill the next block is mined

So, the more inputs you used, the bigger your transaction will be, the more space it'll use in a block. That's why the fee is calculated using the size of your transaction, and it has nothing to to with the amount of BTC you wanted to send.

The fee is basically the "tip" a miner gets when he choses to put your transaction into the block he/she is mining. The more satoshi's per byte of transaction you added, the higher the chance the miner will pick your transaction over the transaction of somebody else

To sum up:
1) you had a recent backup of your wallet.dat
2) you erased everything, reinstalled bitcoin core and replaced the new wallet.dat with your backup
3) you see all transactions, but have 0 balance

First question: is the wallet sync'ed? If not, you'll probably have to wait untill the wallet is completely synchronised (this might take a couple of days).

I'm afraid these steps will only work if you have bitcoind/bitcoin-cli installed on your system. Even then, i guess i will have made a couple of mistakes when i wrote these steps down, since i had no way of testing them out (the input was already spent by the time i read this thread).

I think it should be possible to generate a transaction with a couple of desktop clients (electrum, core and armory pop to mind). I don't have a lot of experience with blockchain, but i would be supprised if you could generate a multisig transaction with them.

I'll sync testnet on monday and i'll try to generate, load and send from a multisig testnet address (don't know if this will be hard to do). If i succeed i'll write a small tutorial/howto.

strange problem... So electrum does run under linux, you're just not able to restore exactly the same seed as you managed to use to restore your wallet on windows..

Can you look at the following 2 things:
- do the electrum versions match between windows and linux? This shouldn't be a big issue since the seeds from most recent versions should be compatible
- can you create a new wallet with your linux electrum (just to try out if electrum works fine)

If the versions are the same, and the linux version does work (but you cannot use the seed from your main wallet), i'm a bit stumped. You could either ask ThomasV if he can help you, or you could probably try to generate a brand new wallet in linux and restore it in windows... Afterwards send the funds from the "broken" wallet to the "new" wallet... Other than that i'm kinda out of idears right now (it's friday evening, i'm not really thinking straight right before the weekend).

you did try to reboot your linux system and do a clean startup?

I'm not an expert with core, but i don't think it's something you can easily do, except by creating the transaction from the cli or using the coin controll features (that way you can chose a custom change address, and use your "main" address)...

Altough there's no need to avoid change addresses (as a matter of fact, i think most users would actually say it's a good thing to use change adresses), if you really want to do this, i'd suggest using electrum (go to preferences, disable "use change adresses').

Let me see if i have this correct:
- you have an electrum seed
- you tried to restore your wallet using this seed, both on linux and windows
- on windows it works, on linux it doesnt, but you still see a green "dot" at the right bottom corner.

Can you go to the adresses-tab and verify if the adresses generated in linux differ from the ones generated in windows?

I believe in sharing info/working together, so far i've found these steps, untested by me, since the inputs were already spent by the lucky winner
Disclaimer: I have no experience with multisig wallets, so i'm only learning this myself. Information in this post might be wrong/inaccurate!!!
There might still be errors/mistypings in these steps, everybody is welcome to help and learn something in the process


bitcoin-cli getrawtransaction e90d9496ef20abbb1368a74bd97782d3475d6dd397743a7da92205d6823acace 1

bitcoin-cli createrawtransaction '[{"txid":"a91441678c6ff528fb339aeb83f2ca913144535ce4f287","vout":1}]'
'{"1MocACiWLM8bYn8pCrYjy6uHq4U3CkxLaa":0.049}'

bitcoin-cli signrawtransaction '010000000187f2e45c53443191caf283eb9a33fb28f56f8c674114a900000000000000000001000 00000ffffffff01a0c44a00000000001976a914e432ffb6ef0bde696af29ca13dd37c0824a40823 88ac00000000' '[{"txid":"e90d9496ef20abbb1368a74bd97782d3475d6dd397743a7da92205d6823acace","vout":0,"scriptPubKey":"76a91429ca93fdec799d0c03a4e3d7ed2a4fad4bb7b31088ac","redeemScript":""}]' '["5J9zrF4hPhqkKJzoyAR8r6oUbBgCxETKFx2tVYeMXUPXZRZnEt3"]'

bitcoin-cli signrawtransaction '010000000187f2e45c53443191caf283eb9a33fb28f56f8c674114a900000000000000000001000 00000ffffffff01a0c44a00000000001976a914e432ffb6ef0bde696af29ca13dd37c0824a40823 88ac00000000' '[{"txid":"e90d9496ef20abbb1368a74bd97782d3475d6dd397743a7da92205d6823acace","vout":0,"scriptPubKey":"76a91429ca93fdec799d0c03a4e3d7ed2a4fad4bb7b31088ac","redeemScript":""}]' '["5JnLZhYhzQff2ydDUCSA793LYbCtDNoC6dEG1ERDdQ74z5cBDdz"]'

bitcoin-cli sendrawtransaction 010000000187f2e45c53443191caf283eb9a33fb28f56f8c674114a900000000000000000001000 00000ffffffff01a0c44a00000000001976a914e432ffb6ef0bde696af29ca13dd37c0824a40823 88ac00000000

I've just learned there's a clone: preev.net
Seems to work pretty good, and it seems to have more or less the same functionality as preev.com

I can confirm i received the vouch copy.

I quickly installed it on my android phone using the official app from the playstore. I can confirm that the OP has given my a fully functional account!
I logged in with the given credentials, and was able to chose a server. Tested if it was working => OK.

So as far as i'm concerned, the OP does have acces to accounts. I can vouch for this, altough i have no idear about the method he used to get the account or how long it will last (i actually have no idear, only time will tell).

I'll test some more tomorrow, when i'm at the office, and edit this post afterwards.

EDIT after some more testing: i've did a couple different setups, all seems to be consistent with a full ipvanish account

I don't really need a VPS, but i have some spare time tomorrow (around 9 o'clock GMT) to test out your service in case i get a vouch copy (doesn't have to be a full year licence, i'll only need it during the review)

Doesn't really matter who or what happened... If you did not create transaction https://blockchain.info/tx/e9ee203c3cdadc416ab29a7a4b48bfea89d39246286ab101bd61def27e56462e and the address is 100% certainly owned by you, you are compromised in one way or another (either intentionally, or by accident).

Either coinb.in has a bug/problem and generated the same private key twice, you were the victim of an attack during the creating of the private key (maybe a phising website or something), or your pc is compromised (those seem to be the most likely scenarios).

I'd never, ever use that address again, move all funds that belong to you away from this address, make sure my pc was 100% clean (maybe even do a complete reinstall just to be sure) and stay away from online wallets in the future

the address has this incoming transaction 4be3bc47b3d8c5c1c8ef30ebd5a87a09f2acd59183e03aaec189a0ebe7f8c714 . It came from
https://www.walletexplorer.com/txid/4be3bc47b3d8c5c1c8ef30ebd5a87a09f2acd59183e03aaec189a0ebe7f8c714

Seems to be an address belonging to fortunejack... Did you withdraw your gambling winnings? If not, maybe fortunejack can get you into contact with the second user using this private key???

this one seems to be simple enough for a new user:
https://www.youtube.com/watch?annotation_id=annotation_207603943&feature=iv&src_vid=ASCGQFZgcT8&v=NqgzF63yNcU

https://bitcointalk.org/index.php?topic=110656.0

Seems like Torwallet has a shady past, there have been concerns since 2012

Bottom line: don't use online wallets... If you don't controll your own private key, you don't controll your funds.
If you have any VALID reason to trust a stranger with your keys (an online wallet), at least pick one that has a solid reputation instead of using one that's unknown.

Like Xanidas said, your only chance is contacting their support dept. They're the ones controlling your funds

1MocACiWLM8bYn8pCrYjy6uHq4U3CkxLaa

I'm curious...

Probably this time, it's because of this: http://www.coindesk.com/bitfinex-shuts-down-customer-bitcoin-stolen/

This time, it seems to be about 60 mln USD that's gone.

I'm not panicking tough, i think BTC will overcome 

My advice would be to generate a new address for each customer. This way it's easy: just check if there are new inputs this month => if there are sufficient inputs, everything is OK; otherwise the service needs to be cancelled.

Here you go, quoted for future usage

Hi,

I edited my previous post, but apparently you already quoted it before i saved my edits (i was a bit to slow ) .

To answer these questions:
Question 1: the example of comparing bitcoin to linux is not a very good one, that being said, you can actually use an SPV client (like i mentioned above).
This client will connect to a central server that has has been synched. Those SPV clients will only manage your private keys, labels and adresbook. That way you have most of the security of a desktop wallet without having to download all blocks.

Question 2: The blockchain is downloaded from other peers, but not from a centralised server.

That's just the basic concept of bitcoin, it's a decentralised ledger, no authority, no banks... All users can (and should) download the full blockchain. If you would use 1 or 2 centralised servers, it wouldn't be a decentralised system

That being said, there are alternatives... If the synchronisation of the blockchain is to much for you: you can use an SPV client.

Examples are: electrum and multibit HD

Sky-hash.com red flags:

• standard, responsive HTML5 theme that is pure copy/paste
• unrealistic ROI
• affiliate program
• no mining address
• no pictures of their gear
• no HW vendor endorsement
• no positive feedback on bitcointalk
• hidden whois information