That's something!

No, just a few MB.

True, but I meant the part where his 2.8 Bitcoin went from confirmed to pending. That part I don't get.
I think I get what you mean: someone else is broadcasting HIS outgoing transaction so that 2.8 is CHANGE from the 2.9 Bitcoin he had in his wallet. Correct?
If that's the case, I still don't understand why it doesn't show up on block explorers.

I'm flabbergasted, this can't be

Can you try this:
Click Settings > Options > Wallet > Enable coin control features > OK
Click Send > Inputs > check the "Received with address" for your 0.0002BTC.
Is that address 16u1VqPgTnGrAXQreLFBbVoUkgaATeHXKA ? (It should be)

But it can't be after a zap & rescan, it should be confirmed. Something is definitely off.

Download Electrum, set up a new wallet, safely write down and store your word seed phrase, and sweep your private key from Bitcoin Core. Don't bother importing, just sweep it onto a new address in Electrum and go from there.

To get your private key out of Bitcoin Core:
Click Help > Debug Window > Console > Enter walletpassphrase yoursupersecretpassword 300
(the above unlocks your wallet for 300 seconds)
Enter dumpprivkey 16u1VqPgTnGrAXQreLFBbVoUkgaATeHXKA
This should show the private key. Sweep it into your brand new Electrum (and pay a high enough fee).

Assuming you have the private key to 16u1VqPgTnGrAXQreLFBbVoUkgaATeHXKA, this should work. If you don't have the private key, you're screwed

DO NOT post the private key!

Update: you keep saying 2.8, and I assume that's the 2.9 from 633f05443310c5012c5a0360299c3627b8d838af1fbe4aa4a4ab20d74521d04b. I'm starting to think the 2.8 is from a different transaction, that would mean the 0.0002 is from a different address, and that would mean 16u1VqPgTnGrAXQreLFBbVoUkgaATeHXKA isn't part of your wallet.

Great! Now I only wonder why the rescan without zapping wasn't enough, but who cares, it works!

Cool You'll find my address in my profile (click my name).
One more tip: you also wanted to pay a friend, if you click Add Recipient on the Send tab, you can send funds to more than one address at once. This saves a lot in fees compared to making several transactions (and if everybody would do this, it would reduce the congestion on the Bitcoin network).

Glad to help, I love the feeling of finding back crypto, even if it isn't mine.

Theymos values privacy, he didn't like to be forced to use Cloudflare for that reason, he allows total anonymous TOR-access, and I expect there is zero chance he'll require any ID or phone verifications.

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Nice try NSA!

Let me guess: you're running it from an SSD? It takes my PC 2 hours!

I'd say try the zap-thing:
That will also get rid of your unconfirmed transactions in your wallet, if it's also dropped from mempool you can make it again.

It's a different input and has nothing to do with RBF.

If the zap-thing doesn't work, next step is to export your private key. Since you have the 0.0002, your wallet should have the private key to the 2.9 at the same address. I kinda expect the zap-thing to work, but if it doesn't, the next step would be to export your private key and import or sweep it into Electrum.

Lower case L isn't allowed, I got you this:
Address: 1ELQLU1WT958sK1HFfiFELWGJxe86t3kYa (Balance: )
PrivkeyPart: 5J3hxZhpvL4KxAGvucn12Futn5w2rEra73AWRTWHQqLtya5QVCJ

That is accurate indeed.

I've had some unexpected results too after an upgrade of Bitcoin Core in the past: New install, new version of Bitcoin Core, weird Pending amount [SOLVED].
In my case it wasn't a real transaction going into my wallet.
If 16u1VqPgTnGrAXQreLFBbVoUkgaATeHXKA is part of your receiving addresses, it should show up after a rescan.

I got recommended this:
Full description:
I think a rescan is enough, if not, you can always still use zapwallettxes on your wallet. Make a backup first though!

I can't tell you the exact cause, but I've seen wallet.dat files mess up before.

Just do it from a terminal:
I'm not sure if "bitcoin" is the default name, or that I created that simlink on my own. You may need to use this:
This may take a while

Even though I used a private browser before, I'll try to restore it in a different browser (also in private mode) after destroying the session. The result is exactly the same: Session restored.

The EU isn't one country with one tax system, it's all different countries with different taxes.

I can only speak for the country I live in, and split it up my tax declarations in two categories:
-Trading or increase in value: never! Trading on a non-commercial basis isn't taxed, there is no capital gain tax. We have an annual tax based on the value of everything we own though.
-Earnings: always For income tax I declare the euro value the moment I earn it.

Taxes are filed once per year here.
Note that I'm talking for consumers only, if you're a company, or earn Bitcoin from mining, it gets more complicated.

This is the exact reason why you shouldn't try to hide your crypto from taxes. If it's ever worth enough to buy something big, you want to be able to do so (without being treated as a drug dealer).

No, I don't
It would help for your question if you say which country you live in.

Must have been a good night, your problem solved itself, and your transaction got confirmed.

Miners found 12 blocks within 60 minutes:
That dropped fees enough to include your transaction with 100 sat/byte in the tenth block from this list.

Good luck forking your coins !

Thanks, good to know if I need it.

A wallet would show fees in crypto-units, not dollars, so I'm curious which wallet you used. This is not what I've experienced with Bitcoin Cash: as much as I hate having to say it, the transactions I made were faster and much cheaper than Bitcoin.

I suggest you make a backup of your wallet.dat (you should of course have backups already, but make a new one anyway!), and start Bitcoin Core with the -rescan flag on it's command line. See if that makes Bitcoin Core realize it's confirmed already.

This is a private key: L3pSQB9Y7Atx3tjDbjzX49...............
This is a word seed phrase: gasp quarter main brave turn like reflect ...........................
The seed phrase can be used to generate an infinite number of private keys.

Forget about your existing transaction here, there's no use for that in coinb.in, as it's signed already.

Don't sign anything, you'll need to set up a new transaction first.

I was under the impression Electrum allows to export one private key at a time. I just tested it, and when I click Wallet > Private keys > Export, it exports all of them. Considering you have 46 Bitcoin stored in there, I wouldn't recommend doing this on any hot wallet.

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Side track: I still don't get why you entered your Ledger seed in Electrum. The whole point of having a Ledger is to use the Ledger to sign transactions, instead of a hot wallet.

Tony is a technical person, I don't think it matters to him, just like it doesn't matter to me. Moving to 1 MBYTE makes them 1000 times cheaper than 1 GBYTE, but there are also 1000 more units available: 1 BILLION! Now, there are only 1 million GBYTES, which is really not much.
Based on the same theory you could also move to kbyte, they'll be a fraction of a cent!

I've changed my mind on this though, I'm now in favour of moving to smaller units. For Bitcoin, I set all my wallets to mBTC too, and if you were to buy a coffee with either one of them, paying x "units" is more convenient than paying 0.00x units. It looks much more like dollars or whatever currency people are used to.

A friend of mine wanted to buy some altcoins, I mentioned a few, and she said she can buy Bitcore, because it's only like $15 and she can afford that.
I'd say move to MBYTE, and make that the default unit for newly installed wallets too.

Question for the exchange bot owners:
Would it be possible to create a GUI web interface to trade from? I like how it's possible to exchange in chat, but it's much less intuitive than a GUI would be. If we can setup trades in the GUI, then make the transaction from the Byteball wallet, that would be great, and I expect more people would use it.

I've used Bitcoin Core in the past to create a double spend, but that means a 150 GB download if you don't have it installed.
User Thirdspace wrote instructions here on how to double spend using coinb.in. He wrote this for that specific thread, so you'll need to create your own transaction and can't use the one he has in Code-tags. This can be tricky though, so make sure you know what you're doing before entering any private keys on a website!

If you're not in a hurry, you can just wait until the transaction is dropped and Electrum allows you to make a new transaction.

But: current recommended fee is 559 satoshi/byte for a fast transaction. For a 15,231 bytes transaction that's 0.085BTC, more than halve of your total. You can probably go a lot lower than the amount recommended for a fast transaction, but it can take a while to confirm.

Do you have a sale-order now or did you sell them cheap?

It doubled:

You don't need to "recover" your wallet, you just need to load it. The difference is that your coins aren't lost yet. Did you make another backup of your wallet, to be sure this doesn't happen?

It still depends on your hardware (I used to run a backup-chain on my old netbook with 1 GB ram, but gave up as it takes months to sync).

The $300 I mentioned was for 23, not per coin. I've added that to the original, I see the confusion.
The airdrop was halve a BTX per BTC

I would definitely NOT do that! Every new seed import is a new risk. I trust Coinomi up to like $300 at the moment, it's a hot Android wallet, I wouldn't give it access to funds worth a house.

This seems like something for another story

You can still do the double spend I mentioned, you can also use Bitcoin Core (if you have it installed) or coinb.in (very good to get sweaty palms again!) to do it. But: export only 1 private key, take one with a low balance (say 0.01BTC), so you only risk a low amount. Don't risk your coins trying to rush things.

Welcome

One (offtopic) questions: why move them to Bitfinex? It's more than $600k you trust an exchange with!

I'd start with Bitcoin Cash before doing Bitcoin Gold, as Cash is worth a lot more than Gold.
I used Electron Cash (in a VM) for Bitcoin Cash. And since I don't really trust the wallet, I imported one private key at a time, then send the funds, and only import the next private key after the first transaction got confirmed.
For Bitcoin Gold, I used Coinomi on Android. And once again: import only as much at a time as you trust the wallet with.

I wouldn't do this. It's not about "believing" it's not compromised, it's about knowing for sure. And using a Ledger with a seed that has been on any online device seems like very bad practice to me.

It's very unlikely to have a 20 addy GAP, unless you sent countless addresses to people who never funded them. I barely ever have a gap between my addresses, and if I do, it's at most one or two addresses.
But, if needed, there are other methods to get your private keys out of your seeds.

I would *never* wipe a hardware wallet before all my funds are safe for sure.

One possibility: if you export the private key for (for example) 18WGdns7CYB98Ctnp32GfGkdQ3oA18LVKG (balance 0.010272 BTC), import it into Electrum, and make a new transaction with 0.002BTC fee, that transaction should confirm soon. That means one of the inputs from your initial big transaction gets double spend, and your initial transaction becomes invalid. Once again: do not wipe your Ledger yet, you'll need it again

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I've been curious for a while to see if ViaBTC also works on big transactions (28kB), so I'll give it a shot in 8 minutes. Update: it failed: clicking 19:00:01 already showed "Submissions are beyond limit. Please try later.".

Tip for the future: consolidate your inputs once in a while, if you just transfer (say) 10 of them to a new address of your own when you're not in a hurry, you can set a low fee and just wait until it confirms.

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Bonus: you're probably also holding about 23 BTX (Bitcore), currently worth just over $300 (in total, not per coin). It's not a fork, it got airdropped on Bitcoin addresses.
This would be the last one I import into Coinomi.

Nice offer! You're the guy that Tony showed earlier, I was waiting for a translation to English indeed.
One comment though: You say something like "5 medium bytes", it's hard to hear, but it should be 5 megabytes, or 5 million bytes. Automated subtitles say "5 billion bytes 5 minute bible bytes", so it's definitely hard to hear. This may confuse new users.

I'll gladly help, shared on Facebook already.

I think it's a great way to spread Byteball, but I expect it will be abused by many people with more than one account.