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2921  Local / Nederlands (Dutch) / Re: Beginner on: January 09, 2018, 11:03:22 AM
Je computer moet eerst de hele blockchain downloaden dat komt rond deze tijd op 65GB uit (volgens de bitcoin website) dus laten synchroniseren en moet je het binnen hebben.

nope...
Code:
~/.bitcoin$ du -sh
163G    .

165 Gb
2922  Bitcoin / Electrum / Re: transaction failure in electrum wallet on: January 09, 2018, 08:02:54 AM
Why would you put your question in a poll? This way a lot of people will probably have no idear what you are asking...

I don't really get your question either: Does electrum give an error, is the sending button greyed out, is your transaction broadcasted but not confirmed?

Could you give some more info? Electrum versions, error codes, transaction id's, screenshots (grey out the stuff you want to keep private),...
2923  Bitcoin / Bitcoin Technical Support / Re: Unconfirmed btc transaction on: January 09, 2018, 07:43:29 AM
HELP FOR STUCK BITCOIN TRANSACTION. WILL BE COMPENSATED/TIPPED.
CEX to other wallet

What's the transaction id, and which is the receiving wallet? Can't really give you any advice if the only thing i know is that the sender is cex.io

Transaction id is = c4a5ae7b3cb16b3f89b9775542e5655fec1b31c957c8e9a76a96d130cd31715e
Receiving wallet = coins.ph

the transaction have decent but still very low fee currently, I already submitted your transaction to antpool's free accelerator service and hopefully it will get confirmed in few blocks antpool will find.

thanks bro. any advice?

Keep rebroadcasting your transaction and hope for the best... There is a reasonable chance it'll get confirmed eventually, the odds of this being any time soon are low... OR you can use a free accelerator OR you can pay for an acceleration...
I've actually already said most of these things in the post i made about 10 minutes before you replied in this exact same thread
2924  Economy / Services / Re: Seeking Paid Acceleration Service on: January 09, 2018, 07:33:46 AM
Someone please help me accelerate my transaction. I would want to withdraw fund due to an emergency

Here is my detail:

https://blockchain.info/tx/94661bfc7cf7a34a977a64bc5ca5c515e36715438b3c208be56d2feda3da0dc9


Inputs and Outputs
Total Input   0.208 BTC
Total Output   0.2075886 BTC
Fees   0.0004114 BTC
Fee per byte   110.591 sat/B
Fee per weight unit   27.648 sat/WU
Estimated BTC Transacted   0.2 BTC

Thanks in advance

It's not opt-in RBF, your 110 sat/byte fee means there is a decent chance that if you do nothing, your transaction will be dropped from most mempools before it ends up in the blocks miners are working on (if the network stays status-quo) https://bitcoinfees.earn.com/ . Offcourse, a 110 sat/byte fee isn't hopeless, if you keep rebroadcasting your transaction there is a big chance it'll eventually end up in a block.

Your technical options are:
- creating a CPFP
- double spending the inputs of this transaction
In order to know if one of these options will work for you, we need to know if you're the sender or receiver (or both) and which wallet(s) you're using. There are cases in which neither of these options are available (for example if you're using online wallets or exchanges to store your funds)

Your non-technical options are:
- using free accelerator services like antpool or viabtc
- using payed accelerator services like viabtc, btc.com or f2pool

Next time: either search for a topic that was created for the sole purpose of adding such questions, or if such a topic is unavailable/dead: create a new topic... Don't add unrelated questions to somebody else's topic.
2925  Bitcoin / Bitcoin Technical Support / Re: Unconfirmed btc transaction on: January 09, 2018, 07:28:44 AM
HELP FOR STUCK BITCOIN TRANSACTION. WILL BE COMPENSATED/TIPPED.
CEX to other wallet

What's the transaction id, and which is the receiving wallet? Can't really give you any advice if the only thing i know is that the sender is cex.io

Transaction id is = c4a5ae7b3cb16b3f89b9775542e5655fec1b31c957c8e9a76a96d130cd31715e
Receiving wallet = coins.ph

the transaction have decent but still very low fee currently, I already submitted your transaction to antpool's free accelerator service and hopefully it will get confirmed in few blocks antpool will find.

I wouldn't call a 59 sat/byte fee "decent".
https://bitcoinfees.earn.com/ advises a 540 sat/byte fee for a 90% chance of getting into the next 3 blocks.
A 59 sat/byte fee gives you a decent chance of your transaction being dropped from most mempools long before sufficient miners start putting it in the blocks they're working on.

A second problem is that you're sending coins from an online exchange to an online wallet... This reduces the technical possibility's to solve your problem to nearly 0.
You're left with free accelerator services (like antpool and viaBTC) or payed accelerator services (like viaBTC, btc.com or f2pool)
2926  Bitcoin / Bitcoin Technical Support / Re: Unconfirmed btc transaction on: January 09, 2018, 06:47:55 AM
HELP FOR STUCK BITCOIN TRANSACTION. WILL BE COMPENSATED/TIPPED.
CEX to other wallet

What's the transaction id, and which is the receiving wallet? Can't really give you any advice if the only thing i know is that the sender is cex.io
2927  Economy / Goods / Re: EU trusted dealers which sell Bullion via BTC on: January 08, 2018, 12:55:12 PM
I realise this thread is 2 weeks old, but i still wanted to share my story:
  • i bought a small quantity of silver from suissegold on the 10th of december... My transaction paying for my order was confirmed within a couple of hours. I received a payment confirmation
  • 3!!! days later, i still hadn't received any communication from them regarding my order, so i decided to mail their support dept
  • instead of answering me, they forced me to disclose my identifying information by filling in their AML documents and sending a scan of my passport and utility bill. Their TOS stated that they are allowed to ask this information, and if you order for €10.000 or more you are always asked to do this (my order was waaaaay below €10.000, but i was still forced to hand over my info). Bummer... They were holding my funds hostage, so i had no other option as to comply with them
  • After some more emails back and foreward, i was told they had to backorder silver and i'd have to wait a little while
  • On the 8th of januari, a DHL courries suddenly arrives at my doorstep, giving me a box... After he was gone, i opened the box and found that it contained only half the amount of silver i ordered (and payed for) allmost a full month ago. No communication from their side since 3 weeks
  • I've sent a mail to their support dept asking for clarification an hour ago...

Oh, BTW, they added 20% VAT on silver coins, while other competitors don't add VAT on silver coins... I asked a question about this to today.

So far, these are the pro's from suissegold:
  • They're friendly
  • They do answer support emails, albeit they don't always answer your question
  • They do seem to own a business that traffics in precious metals

So far, the con's from suissegold.com:
  • They only communicate with their customers if you start contacting them
  • They don't always answer your questions
  • They force you to send all your identifying information AFTER cashing in your BTC, holding your funds "randsom", even for smaller orders
  • They are slooooow
  • They don't mind sending incomplete orders


Update: a little over 1 hours after contacting them after receiving the incomplete shipment, i got a reply from them that they'd have to backorder some more silver, and i was offered a replacement product of equal value instead. I've just accepted their offer, and hope to receive the remaining silver later this week.

I'll update this post once the complete order is finished.  Grin So far, i don't think they're a scam, i do get the feeling they really need to work on their proactive communication, as well as their inventory keeping.
2928  Economy / Exchanges / Re: Can you get real time market history from Bittrex Api? on: January 08, 2018, 10:10:41 AM
Hey,

During the weekend I've created a simple bot that uses Bittrex's public API
to get the market history for a specific coin. I'm using it to measure volumes.

I've written it in python using the Bittrex python api wrapper. For some reason
I see a 20-25s lag between requests. Is this normal? Is the api throttled?

If i'm tracking a high activity coin i can lose data.
https://bittrex.com/api/v1.1/public/getmarkethistory?market=
It only returns the 100 latest ones.

Any ideas?

https://bittrex.com/home/api only gives information about a limit for the amount of new and open orders you can generate trough their api on a given day:
Quote
We are currently restricting orders to 500 open orders and 200,000 orders a day. We reserve the right to change these settings as we tune the system. If you are affected by these limits as an active trader, please email support@bittrex.com.

I'd suggest you contact their support dept with your question, they'll be the only ones that can really help you

They also indicate the following:
Quote
/public/getmarkethistory
Used to retrieve the latest trades that have occured for a specific market.
They don't specifiy the number of latest trades, but it's well possible this number is 100. There seems to be no parameter available to request more trades. So if you want to have this changed, you'll have to mail their support dept.
2929  Bitcoin / Bitcoin Technical Support / Re: How to ‘accelerate’ your transactions through Antpool on: January 08, 2018, 07:40:42 AM
I would also love to hear your experiences with the Antpool prioritisation service: what kind of transactions end up being successfully mined? I have used the service only a few times so far.
Prior to recent spike of unconfirmed transactions (around 2 months ago) I was able to accelerate transactions that contained only 1.5 sat/B in transaction fees but it's no longer the case (either due to the fact that it became a known service or they change its structure completely).
Nowadays only those transactions that underpaid by around 100+ sat/B (based on this website) are being included in next blocks that they mine (considering those have been accelerated through Antpool), meaning they prioritize transactions based on their fees (on their queue list) so it wouldn't be that useful (if it's urgent) for majority of transactions that use a very low fee (those with less than 250 sat/B) since the list gets updated frequently with other added transactions.

This is correct...
Due to people posting the link to that page on bitcointalk and other public pages, i can only assume their acceleration page gets spammed by hundreds of people that want to cheap out on their fees and push a 1 sat/byte tx in antpool's blocks.

I can only assume antpool uses their mining node's prioritisetransaction funtion. If all prioritised transactions get the same fee_delta, it would still lead to a fee bidding war within the prioritised transactions in their mempool.
Even worse, if their (hypotetical) fee delta is, for example 50 sat/byte, a transaction with a 1 sat/byte fee that gets prioritised would still only have a virtual fee of 51 sat/byte, hence have little or no chance of being put in antpool's blocks, since there are enougn non-prioritised transaction that have a much higher fee.

I have no idear if this is the way antpool works, but this hypothesis seems to be more or less consistent with what i'm seeing trough the use of their accelerator page.
2930  Bitcoin / Bitcoin Technical Support / Re: Transactions stuck for a month on: January 07, 2018, 12:20:58 AM
This is confusing. Blockchain.info says differently. So does my wallet; it shows the balance but as "pending".

https://blockchain.info/tx/d2c8fe92f6f7f76ed967b47e6bfc8a411a5e28f2540c2da95cee6bd9da5c0c0a

https://blockchain.info/address/19bfw2P4fHfa4d6QBEkitguMsAN3z6vGfi <--the wallet

hmm... I dug some further:
the input of d2c8fe92f6f7f76ed967b47e6bfc8a411a5e28f2540c2da95cee6bd9da5c0c0a is vout n 0 of transaction af7337db5b6b5b3626d3ff6a7eb9866936a8ca2a336ca4e7e553a5aab2a6a7fe

the inputs of af7337db5b6b5b3626d3ff6a7eb9866936a8ca2a336ca4e7e553a5aab2a6a7fe are vout 1 of transaction 0c268d227af93bd448b17e961399bacc2992c7ddf39f4d6d470eff259890fd36 and vout 56 of b8d21dd69beab619f2617d97412a60f0964c7151a017d2a2a78298ba3cc00e59

blocktrail claims that af7337db5b6b5b3626d3ff6a7eb9866936a8ca2a336ca4e7e553a5aab2a6a7fe  is using the same inputs as 04272f25818acfcc8e97ab796cb22921bef9725380b185d08feb9a4fe7a05a19
and they are correct, because if i look it up, the inputs of 04272f25818acfcc8e97ab796cb22921bef9725380b185d08feb9a4fe7a05a19 are vout 1 of transaction 0c268d227af93bd448b17e961399bacc2992c7ddf39f4d6d470eff259890fd36 and vout 56 of transaction b8d21dd69beab619f2617d97412a60f0964c7151a017d2a2a78298ba3cc00e59

I'm pretty tired at the moment, but it seems to be a bug in blockchain.info's block explorer. If the parent transaction af7337db5b6b5b3626d3ff6a7eb9866936a8ca2a336ca4e7e553a5aab2a6a7fe  is using the same inputs as transaction 04272f25818acfcc8e97ab796cb22921bef9725380b185d08feb9a4fe7a05a19 (and 04272f25818acfcc8e97ab796cb22921bef9725380b185d08feb9a4fe7a05a19 is confirmed), then af7337db5b6b5b3626d3ff6a7eb9866936a8ca2a336ca4e7e553a5aab2a6a7fe can never confirm, thus any transaction depending on this transaction will never confirm.

For the second transaction that was expired/removed (d2c8fe92f6f7f76ed967b47e6bfc8a411a5e28f2540c2da95cee6bd9da5c0c0a) from blocktrail: this is not a big problem, it just means that blocktrails's node removed the transaction from it's mempool... It means it might be high time to either abandon the transaction, or rebroadcast it
2931  Economy / Exchanges / Re: Why is my deposit pending at Yobit for 3 days now? on: January 07, 2018, 12:12:05 AM
1LpCVdtxncLU5MSoU2EMMzDC9YK7F7j5UC

I copied this from the sent transaction at blockchain. I appreciate the support its strange to have to come here for solutions that I cant get directly from the companies I am dealing with.

1LpCVdtxncLU5MSoU2EMMzDC9YK7F7j5UC is an address. If it was the address you were trying to fund, the funding transaction *might* have been 7fdfcb3f988a621e2bd6d4441e490ec3c6f64e322301ff77b530d58295e68b45.
IF 7fdfcb3f988a621e2bd6d4441e490ec3c6f64e322301ff77b530d58295e68b45 is in fact your funding transaction, your problem is logical: this transaction is unconfirmed, it won't show up on your yobit balance untill it's confirmed
2932  Bitcoin / Bitcoin Technical Support / Re: Transactions stuck for a month on: January 05, 2018, 10:07:30 PM
The reason why they're stuck is simple:
- the fee for both transactions is to low for a decent chance of getting into a block
- one of the transactions is using the unspent output from an unconfirmed transaction

Why a tx accelerator says it cannot find your txid:
- free tx accelerators usually cannot be used on transactions that use inputs they got from unconfirmed transactions
- if you broadcasted these tx's a month ago, it's also possible they were dropped from most mempools, which could also explain the accelerator's reaction

Which wallet were you using, and are you both sender and receiver, or just the sender/receiver?
2933  Economy / Exchanges / Re: Why is my deposit pending at Yobit for 3 days now? on: January 05, 2018, 09:51:42 PM
Thank you what is the funding transaction number where do I get this? I will try and get it.

you created a deposit address @ yobit, then you funded this address using your blockchain wallet. I don't use blockchain.info's wallet, but they should have a page where they show you your transaction history, including the transaction id's.
2934  Economy / Exchanges / Re: Why is my deposit pending at Yobit for 3 days now? on: January 05, 2018, 07:27:56 PM
That's strange! I have used yobit for a long time and have never faced such issue. However, first check in blockchain that your transaction is confirmed or not. If it's confirmed then the issue is on yobit's part. Only their support staffs will be able to assist you.

But if the transaction bis not confirmed yet, the probably you can use some transaction acceleration service. But I don't think a trans would be pending for 3 days in a row. Check if the network relayed the transaction properly.

Sure, a transaction can remain unconfirmed for 3 days in a row... If the fee was/is low enough, a transaction can remain unconfirmed up to the point where most of the nodes just drop the unconfirmed transaction from their mempool.

@OP: if you can share the funding transaction's txid, we can have a look at it if you want to...
2935  Bitcoin / Bitcoin Discussion / Re: coinbase send BTC is pending on: January 05, 2018, 04:00:47 PM
Hello everybody,
I sent BTC to my desktop wallet (Electrum).
Send operation is Pending in the Coinbase website.

8 hours  are passed and it is still pending.

If I look on blockchain.info  it seems that the receiving address was never used.
So it is not a problem of the network, but coinbase never transmitted the operation to bitcoin network.

This is very strange, the last times I used coinbase everything was with normal times.

Is it normal that coinbase doesn't transmit the sending operation toi the network?
And the operation is in Pending State?

The money were subtracted to my Coinbase wallet... where are they?

Thank you for helping me.

If the transaction cannot be seen on any block explorer, the only company that can help you is coinbase. I'd advise you to contact their support dept and ask them what is wrong.
2936  Other / Beginners & Help / Re: Which wallet to use on: January 05, 2018, 03:30:57 PM
Hello guys. I just joined this forum and i was wondering... Which walled is best? I was thinking to invest some money, probably into Bitcoin. Can you recommend me some, and tell me your opinion and why you think it is best choice?
Could you please tell us that from which country you are?
Cause wallet services differ from region to region...

Only if you're going to tell the OP to use an online wallet or an exchange... Real, secure, wallets (like desktop wallets, hardware wallet, paper wallets, airgapped wallets) don't care about your country. Bitcoin is decentralised. As long as you have a basic internet conntection to broadcast transactions, download blocks, query SPV nodes,... and a device, you're OK

@OP: like i said before, in this very post, i would seriously discourage the use of online wallets or exchanges to hold your funds... If you care about your privacy, there is no reason to tell us which country you're from...
2937  Economy / Web Wallets / Re: Anybody able to guide me recovering my BTC @ blockchain.info on: January 05, 2018, 02:57:34 PM
does this link help?
https://blockchain.info/wallet/forgot-password

I found it in this stack exchange thread: https://bitcoin.stackexchange.com/questions/65171/how-to-restore-wallet-from-15-word-seed-mnemonic
2938  Other / Beginners & Help / Re: Which wallet to use on: January 05, 2018, 01:22:30 PM
Hello guys. I just joined this forum and i was wondering... Which walled is best? Can you recommend me some, and tell me your opinion and why you think it is best choice?

Depends on your usecase...

Do you want to buy and HODL, i'd suggest a properly generated paper wallet or a hardware wallet

Do you want to buy a lot of BTC, but use them for day-to-day transactions, i'd suggest a hardware wallet like the ledger or trezor

Do you want to start using BTC, but won't invest a lot of fiat into crypto, you can go for a decent desktop wallet, like bitcoin core or electrum. Core is a bit safer (since you verify all blocks and transactions yourself), but it requires a lot of diskspace and sync time. Electrum is an SPV wallet, it requires very little hardware requirements and only takes a couple of seconds/minutes to sync.

Do you want to get robbed? Go for an online wallet or an exchange... In the longrun, that's your best option to lose everything.



So many useful information...  I am using some online exchangers to do the transactions, but I don't want to be robbed. Would you like to recommend some better exchangers?  And do you know why bittex, bitfinex, binance and other exchangers stop new user registration ?


i'm not a real trader... Sure i do exchange some alt's from time to time, but it's not like i do this for a living... So i might not be the best person to suggest the "best" exchanges.
I wasn't aware that a lot of exchanges stopped registration... I do know i got some of my accounts blocked untill i provide identification information (but since i never keep any BTC stored on an exchange, i will not provide any information and just stop using those exchanges).

There might be a couple of reasons for them to stop accepting new members and kicking old members: stricter KYC regulations, the huge price swings, backlog in maintenance or tickets or just plain old greed (if they use a loophole to kick account holders, they *might* have found a semi-legal way to rob their own users)

If you don't want to get robbed, you must understand that when you keep your money on any online wallet or exchange, you're putting yourself at risk.
By chosing a licenced exchange, using unique passwords, enabling 2FA, keep on checking the websites certificates and never click any links in emails, you might minimise your risk... But even then, your risk is waaay higher than when you use an encrypted desktop wallet on a clean pc (with backups)... And if you switch to a hardware wallet, a paper wallet or an airgapped wallet, you can reduce the risk even further.

The main problem with exchanges and online wallets is the fact that you're not the only one in controll of your private keys. In many cases, you're not able to access the private keys at all. This means that if the exchange runs away, gets hacked, goes bancrupt: you lose everything.
Other than that, online wallets and exchanges are far more vulnerable to phising, hacking, brute forcing,... compared to other wallets.
So by storing your BTC online, you expose yourself to multiple risks that simply don't exist when you use a decent wallet.
2939  Other / Beginners & Help / Re: Which wallet to use on: January 05, 2018, 12:50:38 PM
The best wallet for BTC for new comers is "Electroneum" "blockchainwallet.info" "myceleum" for cold wallet you can try "samurai" I have not tried samurai though.

Electroneum: AFAIK, electroneum is an altcoin... Do you mean, by any chance, electrum (like many other have already posted in this thread)

blockchainwallet.info: This domain is for sale... Do you mean the ONLINE wallet blockchain.info (sure, as far as online wallets go, this might be the best online wallet out there, but by default, an online wallet isn't the "best" wallet out there as far as i'm concerned)

myceleum: at least, this one actually IS a bitcoin wallet. However, it's a mobile phone wallet. I wouldn't put to much faith into a mobile wallet, since mobile phones are easily lost, stolen or broken

samurai wallet: this one is still in alpha phase, it looks nice, but i wouldn't use it to store a lot of funds.
2940  Other / Beginners & Help / Re: Which wallet to use on: January 05, 2018, 12:01:56 PM
top bitcoin wallets
myetherwallet

If you like gamers take a look on enjin coin, they are creating their own wallet

hmm... So your top bitcoin wallet is an online ether wallet... This is wrong on so many levels  Roll Eyes

I have a question, I started using yobit, they give free coin by clicking on a button, its not a lot of coin but it is free. does anyone have experience using their exchange? They have coin I cant get from my other exchanges?

please don't hijack other people's tread to ask unrelated questions... If you have a question, try searching for the answer on an existing thread first, and if you don't find an existing thread: open a new one.

That being said: yobit is more or less legit... Their free coins faucet is usually giving away free crap coins that are worth close to nothing... But once in a while, they give away a coin that gets pumped after a couple of months, and you can actually walk away with some real coins.
Do be carefull when using yobit, they have a habit of lousy customer support, it's been years ago since i intensively used them, but back then it could take them months to answer a user's ticket, and it looks like their support hasn't improved lately. They also have a habit of taking a wallet down for maintenance and then just leave it down for a very long time...
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