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4181  Bitcoin / Development & Technical Discussion / Re: Bitcoin Transaction Size And Fee Calculation on: May 22, 2019, 02:20:24 AM
Is there a way of detecting network speed without third party?
If you mean... how to detect how "busy" the network is... you have commands like getmempoolinfo

You will get a return like this:
Code:
{
  "size": 21264,
  "bytes": 12742316,
  "usage": 43390480,
  "maxmempool": 300000000,
  "mempoolminfee": 0.00001000,
  "minrelaytxfee": 0.00001000
}
You can see there are currently over 21,000 unconfirmed transactions.


As for ways to estimate fees, you have estimaterawfee and estimatesmartfee

You might want to look into those, noting of course that they are just "estimates" and no guarantee that the returned "fee rate" will result in confirmation in the specified number of blocks... then you can use settxfee to set the applicable fee rate... and then simply let the wallet work out the total fee for you when you create the transaction.
4182  Bitcoin / Electrum / Re: Using Electrum on: May 22, 2019, 01:53:56 AM
@HCP why can't I decode his rawtx on other decoders? is it because it's (non-standard?) unsigned rawtx created by electrum?
Honestly I'm not 100% sure... I can only guess that given all other "decoders" (including Bitcoin Core) report it as invalid, that Electrum is doing something non-standard when serialising an unsigned transaction using the "export"/"copy" funtionality... most likely to facilitate MultiSig or offline signing.

I would guess it's added info regarding the "inputs" being used so that (offline or CoSigner) Electrum knows which private keys it needs to sign with.
4183  Other / Meta / Re: Plagiarism should remain a zero-tolerance bannable offense on: May 21, 2019, 10:54:26 PM
What about the situation where the plagiarised posts predate the posting of the forum rules relating to plagiarism/copypasta?

I've seen it mentioned a couple of times now that the rules relating to plagiarism were only added mid-2016.
4184  Bitcoin / Hardware wallets / Re: Ledger Nano S related questions on: May 21, 2019, 10:13:03 PM
Just a question: Does Ledger Nano S support all ERC-20 tokens that myetherwallet supports?
Theoretically yes... because all MEW (or MyCrypto) does is get the "public key" for your ETH address(es) from your Ledger device when you log in. So any Token "supported" by MEW/MyCrypto should be able to be viewed once you log in with a Nano device.

NOTE: You don't need to install anything other than the ETH coin app on the Ledger device itself... there aren't individual apps for tokens, ERC-20 support is included in the ETH app.
4185  Bitcoin / Development & Technical Discussion / Re: Transaction size WTF??? on: May 21, 2019, 10:01:06 PM
Again, this is using SegWit inputs... and your "calculation" is only valid for P2PKH inputs/outputs.

So while the raw "hex" size might be 1360 bytes... it would appear that it's calculated "virtual size" is only "346 bytes":
Code: (https://api.blockcypher.com/v1/btc/test3/txs/09da6cd256e7281623bfc7697195c5dbe7b802ad7b3d9d1316046228be5910da?limit=50&includeHex=true)
{
  "block_hash": "00000000000002199acefe80fb48a8291b41ea77f60a7ce9f993e4562ca44116",
...
  "size": 346,
...
}

"vsize" = Transaction weight / 4
"weight" = 3 times the stripped_size in bytes (excluding the witness) plus the total_size in bytes (including the witness)

I suggest you go and read these:
https://bitcoin.stackexchange.com/questions/87275/how-to-calculate-segwit-transaction-fee-in-bytes
https://bitcoincore.org/en/segwit_wallet_dev/#transaction-fee-estimation
4186  Other / Meta / Re: Stake your Bitcoin address here on: May 21, 2019, 09:42:57 PM
~snip

Code:
-----BEGIN BITCOIN SIGNED MESSAGE-----
This is feryjhie, today May 21, 2019
i will change my address to this address 3FERY5GPg4e1KwxXPKb2pb46tntR44U3st
because i can't access my old address again
-----BEGIN SIGNATURE-----
3FERY5GPg4e1KwxXPKb2pb46tntR44U3st
IKZC+XTtsM2fE21RI8j8dISKVRBx+x0IqpRUAdSqYBSieeOPyXKRygq5hLTr/onYW+3x/FJWcZogAydB7RPvrxE=
-----END BITCOIN SIGNED MESSAGE-----


Quoted

And verified with Electrum:

4187  Other / Meta / Re: A wave of bans: 400 yesterday, 300 the day before. What changed? on: May 21, 2019, 09:36:11 PM
I don't comment on any one post except this one https://bitcointalk.org/index.php?topic=5140199.msg50977961#msg50977961
I thought to myself and wrote it
No, you didn't. You copied and pasted another users comment... and now you're lying about it to try and recover your single merit, shitposting bounty account Roll Eyes

You have to be aware that Bitcoin is still relatively new technology and still not so much people are familiar with it and people are usually sceptic to new things and don't trust them. Also, many still think that Bitcoin is some kind of scam scheme and are afraid of volatility and aren't willing to accept the risk. I beleive this will change with time but we also need more education and awarness campaigns about Bitcoin and cryptocurrencies in general.
You have to be aware that Bitcoin is still relatively new technology and still not so much people are familiar with it and people are usually sceptic to new things and don't trust them.
Also, many still think that Bitcoin is some kind of scam scheme and are afraid of volatility and aren't willing to accept the risk. I beleive this will change with time but we also need more education and awarness campaigns about Bitcoin and cryptocurrencies in general.


Quote
Is it called plagiarism ?
Yes, it is.


Quote
my account have permanent banned but i need a good reason
See above.


NOTE: any attempt to continue using either of your accounts (or any new accounts) will likely be considered "Ban Evasion".
4188  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: May 21, 2019, 09:15:57 PM
Hello i have funds in Mycelium bitcoin wallet . but where ever i scan QR code of bitcoin address its says not recognized address . how can i transfer funds from Mycelium bitcoin wallet to Blockchain.com or BitcoinQT
If you're transferring from Mycelium, why are you scanning Mycelium QR Codes? Huh That is only to get the Mycelium receive address, but you're trying to send, not receive??!? Huh Or are you saying that you're scanning the QR code from blockchain.com and it says "not recognised address"? Huh


So, if you want to send from Mycelium, simply click the red SEND button, then enter your blockchain.com or Bitcoin Core address, enter the amount to send, select a fee rate and then tap SEND again.

4189  Bitcoin / Bitcoin Technical Support / Re: Bitcoin payment protocol wallet on: May 21, 2019, 09:05:50 PM
As per the information here: https://bitpay.com/pay-with-bitcoin

There are TWO "costs" involved with paying by bitpay... Firstly, they have their so-called "network fee"... this fee is what bitpay use to recoup the costs of them having to pass your payment on to the merchant. You're effectively subsidising the miners fee that bitpay need to pay to consolidate your payment into their main wallet/cold storage etc. This amount is included in the total invoice amount you have to pay bitpay.

Payment Amount = X BTC
Network Fee = Y BTC

Bitpay Total Invoice Amount = X+Y BTC <-- This is the amount that bitpay must receive.

The 2nd "cost" is the miners fee that you need to pay to send your transaction to bitpay... So, the actual total cost to you will be the (Bitpay Total Invoice Amt + Miners Fee to send transaction to Bitpay). The miners/transaction fee you pay is dependent on network conditions at the time of payment and how your wallet determines the fees etc.

NOTE: That Electrum will ADD your transaction fee to the amount you are sending, it does not subtract it... so as long as you have enough funds in the wallet, and you enter the "Bitpay Total" amount into the "Amount" box on the "Send" tab in Electrum, then Bitpay will receive the correct amount.
4190  Other / Meta / Re: A wave of bans: 400 yesterday, 300 the day before. What changed? on: May 21, 2019, 07:11:00 AM
is it possible to compile a list of members most often plagiarized? I guess that would give us a damn good and unbiased metric of how valuable someone's posts are
Based on some of the copy/paste cases I've seen... the quality of what was being copied wasn't particularly good or "valuable". In a lot of cases it looked like "pick a random post (or posts) from a few posts/pages earlier -> Ctrl+C -> Ctrl+V".

So, I doubt this metric will be as useful as you think.
4191  Other / Meta / Re: [Ban appeal] amacar1 on: May 21, 2019, 02:48:20 AM
Disclaimer: I have no idea who this user is... and don't care if they remain banned or not... just getting frustrated with the lynchmob mentality lately.

I was looking your profile and found that your so many posts involved in buying and selling accounts
~snip angry mob+pitchforks~
Can all the "Bitcointalk junior detectives"™ please stop jumping on the "you're banned for plagiarism" bandwagon and let the mods handle these appeals... Undecided

Selling accounts is not against the rules, nor is it a bannable offence (unless you can prove hacking), despite anyone's personal feelings regarding the trustworthiness of anyone doing so.


Quote
Account coontected prrof ( ban evasion)
Additionally, simply having multiple accounts is NOT "ban evasion" Roll Eyes Roll Eyes Creating new accounts or using Alts to post while one of your accounts is banned (outside of a meta ban appeal thread like this one) is "ban evasion". However, if you took the time to look these accounts up, rather than just running straight for your torch and pitchfork, you would have seen the last active times are:
amacar: 2017-11-08, 00:19:31
jadisdiebrander: 2018-07-12, 08:07:18
FeelTheBeat: 2019-01-11, 08:17:21

Given amacar1 was banned in the last day... it's fairly obvious to anyone with half a brain that NONE of those accounts have been used for "ban evasion" Roll Eyes

4192  Bitcoin / Electrum / Re: Using Electrum on: May 20, 2019, 11:27:33 PM
It is definitely a "unit" issue... the above transaction decodes in Electrum as:



You can see the 0.00000149 BTC output! Shocked Shocked Tongue Another "victim" of Electrum defaulting to units of mBTC Roll Eyes

JohnJ2019, you need to use the menu: Tools -> Preferences -> General

Make sure "base unit" is set to BTC:



I'd also recommend setting the "zeros after decimal point" to 8, but that's just my personal preference to keep things consistent.
4193  Bitcoin / Hardware wallets / Re: Ledger Nano X - new mobile focused hardware wallet on: May 20, 2019, 11:06:39 PM
Has anyone received their Ledger Nano X yet? Ledger was supposed to ship their new model with an extra Ledger Nano S as a compensation for the delay. I don't think that the limited edition was worth pre-ordering.
Not sure about anyone here... a few over at r/ledgerwallet showing off their bundles:
https://www.reddit.com/r/ledgerwallet/comments/bpx6kc/look_what_came_in_the_mail_today_as_promised_a/
https://www.reddit.com/r/ledgerwallet/comments/bpqqu9/they_finally_came_today/

And others that have at least received the Nano X:
https://www.reddit.com/r/ledgerwallet/comments/bppk96/finally_arrived/
https://www.reddit.com/r/ledgerwallet/comments/bpo58r/i_got_it_so_great/

There are also unboxings and reviews and a few complaints about the Nano X being unresponsive and stuck on Bootloader
4194  Other / Beginners & Help / Re: How to make bitcoin wallet and print out the private key? on: May 20, 2019, 10:54:31 PM
First is the easy one and works 100% and is safe. Simply get your privatekey and go offline (disconnect the cable or turn on wifi to make absolutely sure)
That is not "safe"... how is generating a privatekey while connected and online and then going offline "safe"? Huh How do you know that the key hasn't been sent before you unplug the cable or disconnect your WiFi? Roll Eyes

If you want your paper wallet to be completely "safe"... You need to be offline before you begin anything. The private key needs to be generated completely offline... and stay offline. There are plenty of guides around on how to do this... using dice or flipping coins... or using a Linux "Live" bootable USB/DVD (with no networking enabled) and running the pages offline.
4195  Bitcoin / Bitcoin Technical Support / Re: Recovery Non Spendable BTC on: May 20, 2019, 10:42:26 PM
Just one other thing.. those 2 Multibit Schildbach backups I did in 2014 with the name of "bitcoin-wallet-keys-2014-02-03" 240 bytes.
MultiBit is NOT Schildbach... and Schildbach is NOT MultiBit.

It seems like this whole time you've been attempting to use the wrong wallet to recover your bitcoins. I would think it is more likely you were actually using the "Bitcoin Wallet for Android" as opposed to MultiBit. If that is the case then it is quite possible, if you have an Android device, to simply install that wallet and then load up the backup file (assuming you have the correct password).

Even if you don't have an Android device, there are Android emulators like "Bluestacks" that you could try.

Note that the wallet is old enough (and the "keys" part in the name might confirm it) that this is unlikely to be an HD wallet... but a keystore. In which case, the decrypt_bitcoinj_seed probably won't work, as there won't be a "seed mnemonic" to recover from the file.
4196  Bitcoin / Hardware wallets / Re: Ledger Nano S usability questions on: May 20, 2019, 10:05:28 PM
Just download it and set it up. And if it doesn't work somehow, we will gladly assist you further.
This --^


I think I accidentally confused him by mentioning that it is a possibility that USB can be problematic with VMs... especially if you're already experiencing USB communication issues with a certain device on the Host OS. #myBad

But at the end of the day, you'll never know unless you just try it.
4197  Other / MultiBit / Re: Can't export private key from Multibit Classic to Electrum on: May 20, 2019, 09:57:37 PM
There is/was/are some issues with MultiBit and the way it encrypts some things... I've had instances where I am 110% certain of the password, because it works within the MultiBit app, but it fails when using the openssl commandline tools on the auto backup files. I've had limited success in the past trying to figure it all out. Undecided

But yes, as NeuroticFish has suggested... if the app is giving you "Could not decrypt input string", then I am fairly confident that you have the wrong password...
4198  Economy / Securities / Re: LoyceV's Legendary 10 Month 10 Person 10 Altcoin Investment Roller Coaster #2 on: May 20, 2019, 09:52:32 PM
some people consider as a self-plagiarism sort of thing.
"self plagiarism"??!? Huh Roll Eyes Roll Eyes

That is an oxymoron if either I saw one... You can't steal from yourself! ... and these "people", well they're just plain morons! Tongue

As for our "investment" performance... well, I'm not unhappy that BTC has pumped #alwaysLookOnTheBrightSideOfLife
4199  Bitcoin / Bitcoin Discussion / Re: Problem Requesting Blockchain wallet address on: May 20, 2019, 06:22:53 AM
when I try to get the Wallet address Using a web Browser, By clicking on REQUEST. I get this error :
But when I Use The Mobile app Everything goes okay.
If it is working OK using their mobile app (and/or the browser on your mobile)... it's likely something causing a conflict with your web browser on your PC.

Browser extensions/plugins are often the cause of websites not working correctly. So try a different browser or temporarily disabling your plugins/extensions/adblockers etc. They might be interfering with the Javascript on blockchain.com.
4200  Bitcoin / Hardware wallets / Re: Ledger Nano S usability questions on: May 20, 2019, 05:33:30 AM
I have a 8gb usb stick.
I like to run the latest cinnamon linux mint 64 bit from a live USB stick from boot up with persistent. How do I do this?
If linux mint not supported then which distros or versions are supported?
Linux Mint is apparently supported when using this tool: https://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/

According to this post on Reddit: https://www.reddit.com/r/linuxmint/comments/93c16u/how_to_easily_create_a_persistent_linux_mint_usb/e3p2nhm


Quote
What the max persistent in mb I can have on my usb stick?
Depends on how much free space is left after installing Linux Mint. I've not been able to find any stated requirements for Linux Mint on a bootable USB... but I'd guess at around 2-3 Gigs, as you're supposed to be able to burn it on a DVD and the ISO images are 2 Gigs. So, you should have a fair bit of free space on an 8 gig stick.


Quote
Finally how do I do this again but on a virtual host computer so there's no need to boot or restart to use linux?
You install VirtualBox or Vmware or whatever virtualisation software you want to use... create a virtual machine and install the Linux OS as per the instructions for the virtualisation software. There are plenty of tutorials on YouTube etc... Google is your friend.
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