I would suggest that you log this error (with the appropriate details of the devices being used, relevant OSes and application versions etc) over on the Electrum github "Issues" register, the devs are generally way more active over there.

Refer: https://github.com/spesmilo/electrum/issues

The phrase to address relationship is not 1:1... as pooya87 explained, the phrases encode a specific entropy value + checksum... from this entropy, a seed is derived... from that seed, you can derive (unlimited) addresses via derivation paths etc.


The "first" valid 12 word phrase is: abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about

The 12th word needs to be "about", so that the checksum matches.


Essentially, what you're trying to encode in this situation is the entropy: 0x00000000000000000000000000000000 (a 16 byte, 128 bit number)

The SHA256 of the HEX entropy gives us:
NOTE: enter 00000000000000000000000000000000 and select value as "HEX"

The number of checksum bits we use from the SHA256 is "Entropy Size (in bits) / 32"... our initial entropy is 128 bits... so 128 / 32 = 4...

The SHA256 in bits is:

So, our checksum is the first four bits... or "0011"


Now, we have our original entropy (in binary bits), along with our 4 bit checksum (shown in bold), which gives us:

When split into 11bit chunks and converted via the word list, we get:
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000000 -> abandon
00000000011 -> about


So, you can't just pick 12 random words and hope that the checksum is correct... that is also NOT how wallets operate... they don't randomly pick words! Firstly, they randomly generate your initial entropy (128 bits for wallets that use 12 word seed mnemonics, 256 bits for 24 word seed mnemonics)... then they convert that entropy using the basic steps as outlined in BIP39:

1. Calculate SHA256(entropy) to derive checksum bits
2. Concatenate entropy bits + checksum bits
3. Break in 11bit chunks
4. Convert 11bit chunks to words using BIP39 wordlist

Given the amounts in question (>USD$10,000) and the site in question, I'm not surprised they are doing security checks... also, it's the weekend, no doubt folks aren't at work, so some delays to "manual processes" like security checks are bound to happen.

I hope for your sake that you are familiar with their General Terms and Conditions... and any applicable Bonus Terms and Conditions... and that you're not connecting from any Prohibited Territories

A number of users have been caught out in recent history because of some of the fine print!

Unfortunately, I don't see any other "scam accusation" against this user... just a comment on a post in the "Invites and Accounts" board accusing them of being a scammer that you provided. Unfortunately, if users like yourself, don't create threads like this one, then there is generally no way for "DT" users to see/know about the activities of scammers like this... so they don't get tagged with negative trust.

Thank you for taking the time to create this thread, hopefully it stops someone else from being scammed.

Please also consider creating a flag against this user.

I'm glad someone else noticed these errors... That CoinTelegraph article (like a lot of online media these days), is really just sensationalism designed to garner clicks/views for selling ads etc.

If I had a wallet with USD$14mil in it... I sure as hell wouldn't be downloading an "old" version... and I sure as hell wouldn't be attempting to run it on an online machine... hell, I'd probably be concerned about opening a wallet that had US$1400 in it in an "old" version!

I simply don't understand why people seem to be so "casual" with some aspects of cryptocurrency? How do you not at least do some research into the current status of the wallet and/or not go to the official site for your wallet and download the latest version?

"Be Your Own Bank" (AND it's security department!)

It's a good starting point I guess... might at least help prevent a couple of the "I recovered my XXX wallet in Electrum but don't see any of my old transactions/coins" or "Electrum has different addresses to XXX wallet" type posts that pop up now and then.

I am still scratching my head over some of the 4.x UI/UX changes tho... it seems obvious that some of them are causing a certain amount of confusion amongst users, both old and new.

My initial investment: 0.1 BTC
My current bankroll: 0.0536 BTC

That's a 0.0464 BTC loss... Not sure what "big profit" you're referring to. Or are you referring to the mythical 15,000% ROI from an imaginary account, that could not possibly have been started in Jan 2019 as the bot wasn't released until April 2020?

See, this is what I'm saying, you're busying generating mythical scenarios and charts, while ignoring the very real results that your users are experiencing. It's great that your backtest shows exponential growth... but this is not what users have experienced.

Platform Start Balance: 0.0346 BTC
Platform Current Balance: 0.0536 BTC

Granted, that is a somewhat impressive ~64.6% gain since April... but it certainly isn't anywhere near 15000%

You are creating a "subset" of UTXOs (unspent outputs) to spend from... you can "shift" or "ctrl"-click multiple addresses/coins in the "Addresses" or "Coins" tabs and add them to that subset... It will then tell you how many outputs you have available in the selected subset (and also the total your wallet actually contains), and the maximum amount of BTC you can now spend

Clicking "reset" simply clears this "subset" and will allow you to spend the max balance of the wallet from ALL of your addresses.


In this example, I've selected 1 output from the 45 available in my wallet... and can only spend 0.1 BTC from my total wallet balance of 7.2+BTC (yay for TestNet! ):



In this example, I've now selected 8 outputs from the 45 total... and can spend a max of 2.10954629 BTC:



Clicking "reset" simply means I can spend everything, but the wallet will then decide automatically which addresses/outputs to use.

This is not technically possible. You cannot "transform" one type of wallet address to another and automatically have the coins available. You would need to create a completely new wallet and then send all your coins from the original wallet to the new wallet using a "normal" transaction (and paying transaction fees etc)


This *might* be possible, but as the others have stated, you would need to contact TrustedCoin and see if they would be willing to transfer the credits from your old wallet to your new wallet.

That is not quite correct... if you had a PIN and a passphrase, and you lost both, you would not even be able to recover your wallet.

As nc50lc noted, using a BIP39 passphrase fundamentally changes the seed that is derived from your seed mnemonic (the 24 words)... without that passphrase you will never be able to recover your wallet. This is why the BIP39 passphrase is sometimes referred to as a "25th word" for your seed mnemonic... without that "25th word" you simply cannot recover the wallet.


FUN FACT: even if you don't explicitly use a passphrase, the wallet is still using one in the background... it simply sets the passphrase to be an empty string... ie. ""

The buttons on the bottom of the "advanced preview" indicate that that screenshot is not from 4.0.2...


NOTE: If you click the "copy" button on the window shown in your screenshot from the link above, it will copy the raw transaction hex data to your clipboard and you'll be able to paste that data here... that might assist folks in troubleshooting why your transaction is not working.

Having said that, I would definitely take Abdussamad's advice and update to 4.0.2 first and then try your transaction again.

I've had AliExpress "free shipping" items that take 30+ days... and some that arrive in a week... it's fairly random.

Pretty sure the DHL stuff arrived before the specified delivery timeframe by 1 or 2 days when I got my Ledger a number of years ago... but with covid and the restrictions on airfreight due to reduced flights etc. and then a lot of sorting and logistics centers implementing social distancing protocols, I would not be surprised if there are minor delays.

In any case, the original advice still stands... trying to save $5-10 and a few days on shipping is not worth the risk... just order from the manufacturer and be happy.

Sure, one is a theoretical attack that was discovered, responsibly disclosed and patched... and the other started as an "in the wild" attack that, sadly, has caused (and continues to cause) millions of dollars worth of loss... In both scenarios, the devs took action to patch the problem once it was discovered.

And arguably, both should never have been a possibility... but it's just the nature of systems development, there will always be flaws.

Another possible "con"... is that a [2fa] wallet is a special type of 2-of-3 "multisig" wallet... It is created from 3 (master) private keys... One stored in your wallet, One controlled by TrustedCoin and One that is "hidden" but able to be retrieved by using your seed mnemonic (along with the first key) and using the "disable 2fa" option during wallet restore.

While 2fa means that you have some extra piece of mind, as it requires 2fa signoff of any transactions being sent out, it does mean that your addresses are all "P2SH" addresses and not derived from a single key.

This can mean:
- You cannot sign messages from any of these addresses
- You generally cannot (easily) claim any fork coins from these addresses
- You cannot export your "keys" and import into another wallet
- You are effectively "locked" into Electrum

And then there are the already mentioned extra fees for using the 2fa service.

I would advise that you think carefully about how you want to use your wallet now and in the future before committing to using a 2fa wallet...

That is an incorrect assumption to make... they can literally be called almost anything, it is simply a choice made by the admin of the server what name is used... "electrumx" is simply the default name for ElectrumX based servers. Additionally, I would suspect that the "bad servers" were actually running a modified version of ElectrumX...

As nc50lc has pointed out... the "bad servers" can't actually steal your coins. All they can do is show a fake error message... and even that problem is mitigated by using newer versions of Electrum. To actually lose coins, you would need to download and install a fake version of Electrum that immediately sends your balance when you start it up... and that issue can be mitigated by only downloading from electrum.org and always verifying the digital signature of the download before running/installing Electrum.

Have you considered creating a flag against this user? An active flag will then show a warning for other users on topics created by that user... it could potentially stop someone else getting scammed!

Anyway, negative feedback has been left by myself and The Pharmacist... hopefully that either spurs the user into getting into contact, or at least helps prevent others from being scammed.

Or maybe they are just logged in as a "guest"... Anyone can browse (most of?) the forum without logging in. Also, a google search for that ETH address returns links to bitcointalk. You might want to tell the person that it's also used in a reddit post as well

That aside, neither the faulidin nor the delima88 account that were flagged by yourself as possible alts have been active since 2019, and I don't see any other uses of the ETH address here on Bitcointalk.

It's NOT a 50% off code... it says:
It's just typical "marketing"... not an actual offer.


And by "5 coupons available"... they mean that there are 5 different "deals" on offer:
1. 20% Off Ledger Hardware Products at Ledger Wallet Coupon Code
2. $38 Off Ledger Family Pack S at Ledger Wallet Coupon Code
3. $29 Off Ledger Backup Pack at Ledger Wallet Coupon Code
4. $58 Off Ledger Family Pack X at Ledger Wallet Coupon Code
5. Free Shipping On Ledger Nano X at Ledger Wallet Coupon Code


Just go add a device and go to checkout, it will show the shipping options and estimated shipping times... Using the "free shipping" promotion with Nano X, I see two options:


Note that these times are probably "unique" to your country/location... so your delivery times will probably be different to mine as I'm nowhere near Europe

You could try something like this: https://github.com/graymauser/btcposbal2csv

NOTES:
- I have not tested/used this utility... I make ZERO warranty as to it's fitness for purpose
- You will need a fully synced, Bitcoin Core client to get the chainstate DB

My guess would be convenience... aka "laziness"... most people can't be bothered with the hassle of vetting potential trade partners, or are simply too scared of getting scammed. So they end up paying for that convenience by paying "outrageous" fees at "Big Name" Exchanges.

I'd go p2p myself, but the local traders here have such ridiculous spreads/margins, that I may as well just pay the stupid fees on the local exchanges as it ends up being roughly the same and then I don't have to worry about getting scammed