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2861  Other / Beginners & Help / Re: Help with research - Comprehensive list of desktop bitcoin wallets on: December 06, 2021, 06:16:56 PM
I don't know if people will agree with exodus and coinomi both multi currency wallet, but it's worth mentioning.
Both are close source and I wouldn't recommend them.

In 2019, Coinomi was sending users seed phrase to google servers. (Click here to see how that vulnerability caused a user to lose his money)
Although they have solved the issue, but that's a good example showing why you shouldn't trust close source wallets.
2862  Bitcoin / Armory / Re: Address Type on: December 06, 2021, 05:51:09 PM
It sounds that P2SH-P2WPKH addresses would be better choice to use.
I think that's the best option in Armory.

As I already said in my previous post, I would prefer P2SH-P2WPKH addresses over legacy addresses, because I would be able to make cheaper transactions.
And I would prefer P2SH-P2WPKH addresses over P2SH-P2PK addresses, because it's not possible to spend from P2SH-P2PK addresses without Armory.


What address type are you using, if I may ask?
Native segwit addresses.
If you use native segwit addresses, the transaction fee would be lower even compared to nested segwit addresses.

If you insist on using Armory for any reason, you can't use native segwit addresses and in my opinion P2SH-P2WPKH is the best option for you.
2863  Bitcoin / Bitcoin Technical Support / Re: I lost my bitcoin on: December 06, 2021, 05:32:13 PM
Governor's claim page does not exist
The page did exist in 2011 and doesn't exist now. This is already mentioned by HCP.

It is not safe to put any fund in a custodial wallet even for a second let alone 10 years.
As mentioned multiple times, your fund is gone and there is no way to receive that. Forget that 56 dollar and if you are still interested in bitcoin, learn the lesson and from now, use a secure non-custodial wallet. In this way, you will be the real owner of your fund and will never experience such issues.
2864  Bitcoin / Bitcoin Technical Support / Re: I lost my bitcoin on: December 06, 2021, 11:27:01 AM
.........so i'm not sure the page ever exist. ...........
The page in question seems to have existed.
I just made a search and found the following thread. I read some of the posts. Some people confirm that they have received their fund. (They didn't receive all their fund, of course. They got only a portion of that).

MyBitcoin Claim Form Up!
2865  Other / Beginners & Help / Re: What is the difference between seed phrase and private key? on: December 06, 2021, 10:30:26 AM
Why call a string made up of letters and numbers (alphanumeric string) a number? I guess there is a logical explanation behind it.
Any private key is actually an integer between 0 and 2256 and is converted to other formats like WIF. (That's for making the copy-pasting easier and decreasing the chance of mistakes with including a checksum).

Of course,  not any integer between 0 and 2256 can be a valid private key. Due to secp256k1 ECDSA standard, the number of valid private keys is a bit smaller.
2866  Bitcoin / Armory / Re: Address Type on: December 06, 2021, 09:16:09 AM
P2SH-P2PK addresses:
I don't recommend using P2SH-P2PK addresses. Because Armory uses it own algorithm for generating these addresses and you will always rely on Armory for spending from these addresses.
Please someone correct me, if there's any other wallet allowing users to spend from P2SH-P2PK addresses


P2SH-P2WPKH addresses:
I would prefer P2SH-P2WPKH addresses over legacy addresses. They are called nested segwit addresses and you will pay a lower transaction fee comparing to legacy addresses.
Unlike P2SH-P2PK addresses and like legacy addresses, these addresses can be exported from Armory and imported to many other wallets.


Note that there's another type of bitcoin address called native segwit. They are also called as bech 32 or p2wpkh addresses.
Using these addresses, you would pay a lower fee even compared to nested segwit addresses, but they are not supported by Armory.
2867  Other / Beginners & Help / Re: What is the difference between seed phrase and private key? on: December 05, 2021, 09:08:17 PM
For every transaction you make, you need the private key of your address to sign the transaction.
When you make a transaction, your seed phrase isn't directly used for signing the transaction. Your seed phrase (which is a series of words) is used to create a seed. Then the seed is used for generating the extended private key and the extended private key is used for generating your private key(s).
So, Any seed phrase gives you access to numerous addresses. But a private key gives you access to one address only (of course, more addresses if different script types are considered)

It should be noted that your private key(s) can be derived from your seed phrase. But your seed phrase can't be derived from your private key(s).
2868  Bitcoin / Armory / Re: Watch-Only wallets on: December 04, 2021, 08:19:01 PM
What is the version of Armory you are using for your watch-only wallet?
I think everything should be fine if you use the latest version of Armory which is 0.96.5.

In the case you are not using the latest version of Armory, download it from the official website.
2869  Other / Beginners & Help / Re: how long will bitcoin send transaction take on: December 02, 2021, 11:58:23 PM
Please write where can I find up-to-date information how long will the sending bitcoin transaction take depending on sat/byte.
Transactions are prioritized based on the fee paid per vbyte, not byte.
vbyte is a unit for measurement of virtual size of transactions.
In the case you use segwit address(es), the virtual size of your transaction will be smaller and the required fee would be lower.

Anyway, I also recommend you to use mempool.space. That's very helpful especially for newbies. But if you want to see a very accurate graph showing the mempool state, you can use jochen-hoenicke website. It allows you to analyse the mempool yourself.
2870  Bitcoin / Bitcoin Technical Support / Re: Unconfirmed BTC transaction on: December 02, 2021, 05:22:19 PM
It was 1sat/vB but the transaction is .5 BTC.  Not sure if that makes a difference.
The fee you need to pay for a transaction doesn't depend on the sending amount.

The transaction fee depends on:
1. Number of inputs and outputs
2. The network state (how busy the network is)
3. How fast you want your transaction to be confirmed
4. Your addresses type (legacy, nested segwit or native segwit)
2871  Bitcoin / Bitcoin Technical Support / Re: Unconfirmed BTC transaction on: December 02, 2021, 05:18:47 PM
Send the change from the transaction?  What is the "change" exactly?
Change is the remaining balance of the UTXOs picked for the tranasction.

Assuming you sent 0.5 BTC to 3Mnr2U........, 39EeRH........... should be your change address.
If you make a transaction from your change address with an enough high fee, miners will include both transactions (the main transaction and the one made from your change address) in a same block.
(This method is called CPFP.)

Anyway, I recommend you to bump the fee using electrum (as suggested by LoyceV). It should be cheaper than CPFP.  
2872  Other / Beginners & Help / Re: Do I need a Coinbase Wallet, as well as the Coinbase account? on: December 02, 2021, 12:58:58 AM
I just read about the open-source Exodus wallet.
ONLY on a desktop (not mobile), but Desktop is what I want anyway.
Any reason to Not go with Exodus?
As far as I know, exodus isn't open source. Both desktop and mobile versions are close source.
I have used exodus before (only for holding some altcoins in short term) and honestly never experienced any problem. Also, I haven't ever heard of any security issue with exodus till now. But since it's close source, I still wouldn't trust it, especially for long-term holding.

For ethereum, you can also try metamask.
2873  Other / Beginners & Help / Re: Do I need a Coinbase Wallet, as well as the Coinbase account? on: December 01, 2021, 11:59:02 PM
I need ETH, 'cause I plan to sell NFTs on Opensea, earning ETH.
For ethereum, you need to use another wallet.
The best is to buy a hardware wallet like Trezor. It's open source and can provide the maximum security.

There are also many multi-currencies wallets. But the problem is they are close source.


May I instead create my own seed-phrase, like
ThisIsMySecretPhraseThatNobodyButMeKnowsBecauseIMadeItUpAllByMyself
Technically, it's possible to force electrum to do so. But since that's not a standard seed phrase and you won't be able to generate a same wallet using other wallets, that's not recommended at all.
If you want to have a valid seed phrase with your selected words, you must select 11 words from BIP39 wordlist and brute-force the 12th word.
Of course, it's not a recommended method and you should let the seed phrase to be generated by electrum. Humans are not good at generating random data.


Are there Any ETH wallets that would allow me to do that?
For ethereum I don't think there's any.
Again, it's not recommended to have a seed phrase with your selected words, even if it's possible.
2874  Economy / Exchanges / Re: Is this exchange legit? on: December 01, 2021, 10:57:54 PM
However they're also demanding an additional 'deposit' equivalent to 20% of my account value before they can enable deposits again.
Enable deposits? Or enable withdrawals?
Any service asking you to make a deposit to be able to make a withdrawal is 99.9999% scam.

Don't send any document to them and don't waste more money making another deposit.
The only thing you can do now is to learn the lesson.
2875  Other / Beginners & Help / Re: Do I need a Coinbase Wallet, as well as the Coinbase account? on: December 01, 2021, 10:03:12 PM
* actually a checksum is also made (and Electrum adds its own version info too) so at least the last word may not be exactly random, still the explanation can be seen as a simplification, not too far from reality.
In an electrum's seed phrase, all words (all 132 bits) are generated randomly.
Electrum's seed doesn't have a checksum same as a BIP39 seed in which the last 4 bits are checksum.
Electrum only checks the first 8 bits of the hash of the seed phrase to see if it can be a valid seed phrase.
2876  Other / Beginners & Help / Re: Do I need a Coinbase Wallet, as well as the Coinbase account? on: December 01, 2021, 09:28:29 PM
that machine MUST go momentarily online for that creation process.  Correct?
No.
It's not that the seed phrase is generated by a third party and is given to you.

Any seed phrase is only a representative of a large random number.
For generating the seed phrase from that random number (which can be generated by your operating system), you need to use a tool like electrum. You can even do it yourself, if you have enough mathematical skills.
Electrum doesn't do anything more than this when creating a wallet and doesn't have to be online.
All the process of generating the seed phrase can be done offline and developers don't have any control over your seed phrase, your wallet file, your transactions, etc.
2877  Bitcoin / Bitcoin Technical Support / Re: Getting "Error opening block database" when opening Bitcoin Core. Please help! on: November 30, 2021, 04:32:58 PM
Do you suggest I use a different bitcoin wallet that is more appropriate for beginners maybe?
It depends on what you want from a wallet.
If you want to run your full node for any reason (like helping the network, having more privacy, etc.), you should use bitcoin core and download the whole blockchain.
(For more information regarding advantages of running a full node, I recommend you to visit bitcoin wiki).

If you don't want to run your full node, you can use SPV wallets like electrum.
In SPV wallets, you don't have to download the blockchain.

Note that electrum or any other SPV wallet can't provide as much privacy and security as bitcoin core do.
2878  Other / Beginners & Help / Re: Do I need a Coinbase Wallet, as well as the Coinbase account? on: November 29, 2021, 09:27:42 PM
A programmer can see the Open-source code,
to hopefully determine if they are saving that seed-phrase.  Correct?
Exactly.
For example, when you use electrum, you can be sure that you are the only one who has access to the seed phrase. (Of course, there's still the chance of getting hacked, if you generate the wallet or store the wallet file on an online computer).

A good example showing why you shouldn't trust close-source wallets is coinomi.  
They were sending users seed phrase to google servers. (Click here to see how the vulnerability caused a user to lose his fund)
Coinomi has solved the issue, but we still can't be sure that users seed phrases aren't stored on any server. This applies to all other close-source wallets as well.
2879  Other / Beginners & Help / Re: Do I need a Coinbase Wallet, as well as the Coinbase account? on: November 29, 2021, 12:07:15 AM
..........I have a custodial wallet and i don't know where it is stored......
Custodial wallets work in a completely different way than a HD wallet. So when it comes to a custodial wallet, there is no seed phrase at all it doesn't make sense to say where the seed phrase is stored.
Whenever you send a fund to a custodial wallet or an exchange, you actually send the fund to an address owned by them, not your own (HD) wallet.
2880  Other / Beginners & Help / Re: Do I need a Coinbase Wallet, as well as the Coinbase account? on: November 28, 2021, 12:47:13 AM
There's no way to know because you are using a custodial wallet which they only know about your seed,
There are two different coinbase wallets. One of them is custodial and the other one is non-custodial.
In the case of using coinbase custodial wallet, you are right. You won't have any seed phrase. But in the case you use their non-custodial wallet, it gives you the seed phrase.
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