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1  Other / Beginners & Help / Re: Short question - Short answer [Official Thread] on: July 09, 2017, 04:20:58 PM
hey, how to track the site where my wallet's adresses are located?

Dogecoin address : D78mKz8CzCy9AycmTSZrxXayqv2AzPe8bm
Orb address : oPZd7mS7UgqPRUSbn433GwsRGWdy4zoAKf
Orangecoin address : oJwAknQEZjQoqDwrqF6xSUX28gUAWwBCNa
Pink Coin address : PDLYtBNXP2vNM4DQkUPFGUJ4sc4WB7fGXr
Energy coin address : e9KswDwoPiEzFSqpPQCsBd3j6ey5CYpPtx
CoolCoin Address : CPZ1rodhVFoKdTAK5r6E8wAw2XspwdDueR

i created these adress in 2014, but now i dont know how to check them.

As far as I know, you can't.

Hello!!!
I want to ask how to mine bitcoin for newbie like me ?? Huh

Mining is not an easy job you need to wait for a couple of days i guess before earning a little big money. There are two ways or method in order for you to mine.

1. Mining using your computer - You can mine using your computer however you really need a good computer in order to mine fast or i should say a good specs in order to mine fast.

ADVANTAGES: You don't need to pay in order to mine.
DISADAVNTAGES: You'll be using your computer for a long time it's either going to over heat if it doesn't have a ventelation cooler plus you need to pay for the electricity.

CPU/GPU mining is over. You have to buy ASICs now and even with that, your ROI will be pretty bad. You could get some if you mine altcoins, but be careful when choosing. There are many worthless coins and pump-and-dump coins.

2. Cloud Mining - There are a lot of sites out there offering this kind of service so what is cloud mining? It is a service where you can mine without using your own computer or mine even offline.

So how does it work? First in order to use their service you need to pay them or rent their computer they have diff list for example 5x faster mining = 50$ for 1 year you can mine but it depends on what kind of contract youre going to chose.

ADVANTAGES: You can earn even when you're sleeping, your computer will not be tortured and you don't need to pay high because of the electricity bill.
DISADVANTAGES: You need to pay for a contract (It depends on what you've chosesn. The faster the mining the higher the rent is) and it's a bit expensive

Many sites which offer cloud mining are ponzis and scams. You should check *every* details before investing. Checking their total hashrate against total hashrate they sell can to some extent see if they are legit or not.
2  Other / Meta / Re: Lauda should not be in DT2 ::::: Agree ? Yes : FuckOff on: July 09, 2017, 04:16:36 PM
MZ, that ranks among the stupidest comments I've read online.   If someone truly extorted another person, you don't think that should disqualify someone from a default trust list?  Come on, bro.

If it was extortion with trust feedback as leverage, he must be removed. If it was another case and was only a single case, I won't remove him from trust list as long he has good judgement, leave accurate feedback and is active.

But the fact I see is that that whole thing was an attempt to set up zeroxal, i.e., it wasn't a true extortion attempt.  A sting operation.   Misguided perhaps, but I don't believe it had the malicious intent others, like QS, are ascribing to it.  If it was true extortion,  there's no way in hell the extortionist should be on DT.

It is not about the intention here because we can't verify what they claim is true. If their extortion attempt was successful, they can run away with that money. If not, they can claim extortion for money was not their intention. I can't say whether this was the case with Lauda because I haven't interacted with her.
3  Other / Meta / Re: Forum ranks/positions/badges (What do those shiny coins under my name mean?) on: July 09, 2017, 04:06:04 PM
are search system depending on rank, why is it sometimes does not look for reporting that you have exceeded the time..

There is a time limit if that's what you are asking.

Code:
waittime = 360;
if(activity >= 15)
        waittime = (int)(90 - activity);
if(activity >= 60)
        waittime=(int)(34.7586 - (0.0793103 * activity));
if(activity >= 100)
        waittime = max((int)(14-(activity/50)), 4);

As I understood your rank on forum is set by the amount of posts you make and the time since you registered.
But is somebody monitoring meaningfulness of posts? Because in theory I could say "Hi forum" a million times and become a Legend (or what is the maximal rank).
Best Regards

If you spam, you are likely to get banned. Users report meaningless post to moderators, who take action.
Plus you get only limited activity (14 every 2-week period) even if you post a lot of times very quickly.

So the maximum activity points that user can get in 2 weeks is 14? no matter how many posts?

Yes. Do note that if you post in two activity periods (1 period = 14 days), you can get a maximum of 28 activity in a day or two. See https://bitcointalk.org/index.php?topic=582736.0 for activity period timings.
4  Economy / Web Wallets / Re: Blockchain.info - Bitcoin Block explorer & Currency Statistics on: July 09, 2017, 03:48:42 PM
I've used this wallet intensively for the byteball coindrop, I've experienced some frustration.
(numbers are fictional for privacy)

1)
Code:
I have 10 btc in address A of my (non-imported) wallets. I send 3 btc to my exchange.
This transaction sends 3 btc from A to the exchange, and sends 2 btc to a new address B of my wallet, and 5 remains inside A.
What's the reason coin is sent from a to b? All it does is increase fee costs for this and future transactions.
I'd assume it's because reusing addresses is bad for privacy. But this is not the case here as some coin is still is A.

Reusing addresses is considered not safe too if you are using a bad wallet. When you send Bitcoin from A to B and change is send to C, other than you, nobody will know C is your address. They can only speculate that it might be a "change" address. If you send Bitcoin frequently, using different addresses will make tracking your transactions more harder. If you only use one address, everybody can see all the transactions you have ever made which is pretty bad IMO.

https://en.bitcoin.it/wiki/Address_reuse#Security

2)
Also, using the memonic passphrase I can sign messages with any specific addresses of any specific wallet. (using github tools in offline mode)
Some coin of a wallet was sitting in an address, comparable to address B above, for which I could not locate the private key.
I had to transfer those coin to a new receiving address of the same wallet, for which I did locate the private key.
Maybe these intermediate addresses have a different type than the receiving addresses? not sure

If you are using https://github.com/iancoleman/bip39, change '0' to '1' in "External/Internal" in derivation path to see your change addresses.

m/44'/0'/0'/1 - you can also copy-paste this if derivation path is not as detailed as the above tool.

any eta for signing messages within the client (for non-imported addresses)?

Ask their support. They won't reply in this forum.

3)
Some transactions to previously used addresses were not showing up in the transaction page, although the balance was correct.
I'll investigate this later on, I might be wrong Smiley

EDIT: I just send another tx, now a transaction from 2 addresses, although one address has enough to cover the entire transaction??? That's like 0.5$ lost in excess tx size fees Sad I can't imagine this being good for microtransactions.

Transaction fee will pretty high if you use faucets or gambling sites or receive many (micro) transactions. Transaction fee will only increase for such users if change addresses are also used. If you don't want to use new addresses per transaction, get private key of that address from seed (12-word recovery phrase) and import it to your wallet.

Note: Don't use two wallets with same seed. E.g. Blockchain.info + Copay or Blockchain.info + Mycelium or Mycelium + Bither etc. If you send Bitcoin from wallet1 and it send change to a new address, that address won't be shown in second wallet. Thus, Bitcoin sent to that address won't be shown as you balance. Don't do it unless you know your stuff!
5  Economy / Service Announcements / Re: [ANN] ChipMixer - mixing reinvented on: July 09, 2017, 03:18:22 PM
So i'm wondering as well - what if someone decides to frame Chipmixer by saying that they got hacked/chipmixer did an inside job when they really just sent the bitcoins to themselves? there would be no proof either way, but the guy can do this under multiple accounts and then people will say chipmixer is a scam.
There is nothing any site can do against this. You can say any exchange, casino or other site gave you a deposit-address and changed it right after you deposited.
That is not true. Bitmixer offers letter of guarantee. They show input and output addresses and signs them with their private key. Customer see it before they deposit. This is very nice feature and we would really like to have it, but we cannot. Their method is non-interactive and both inputs and outputs are known before deposit and if anything goes wrong, they can complain public. Output of ChipMixer is unpredictable - you can pick whatever chip sizes you want, you can bet, you can freeze them with vouchers. It offers better privacy, but downside is that we cannot offer letter of guarantee.
I was not familiar with the letter of guarantee method used by Bitmixer, but now that you have mentioned it, I wonder why it isn't possible with ChipMixer. Once the mixing amounts have been confirmed by the user, would it not be possible to sign a message containing the final chips being output in the mixing process, along with the input? The chip sizes may not be known prior by ChipMixer, but once they are chosen by the user wouldn't it be possible to include in a signed message?

I have not yet tried either of the mixers out myself, so please forgive me if I misunderstand the process involved in either of these.

Receipt - a writing acknowledging the receiving of goods or money.

Other mixers send Bitcoin directly to address we give them. After they send Bitcoin to our addresses, they give us receipt or signed message saying they have send x.xxxBTC to <address given>. However, ChipMixer doesn't actually send Bitcoin, they give us private key related to the address which has Bitcoin. Either we or ChipMixer can send Bitcoin from that address. In worst case, a hacker if the private key was stolen. So they can't give a "receipt".

If they give receipt after mixing and before they give us private keys, then they are essentially saying "we paid you" even before "paying" us. That is not a "receipt".

If they give a signed message mentioning they have sent us private keys like they are already doing, that is only a "receipt" saying "we have send you private key(s)", not "we have send you Bitcoin" because they can send Bitcoin from that address anytime if they want.

ChipMixer's signed receipt:
Code:
--- MESSAGE ---
This is a receipt / confirmation that you have received following
private keys from ChipMixer:
### CHIP SIZE: <amount> BTC
Address: <address #1>; Private key: <private key #1>
### CHIP SIZE: <amount> BTC
Address: <address #2>; Private key: <private key #2>


This message is signed with ChipMixer's Bitcoin address:
1ChipMwvHe5tewb1Uqa9bbZZJDmgPV1TC7

--- SIGNATURE ---
<signature>
--- END ---

First of all I find it extremely unlikely that any competitors would want to 'frame' chipmixer as a scammer. That is extremely unlikely. There is a possibility that a user just wants to get free coins.

Be in a safe environment and make sure your computer is free of viruses. Chipmixer has no reason to steal your money when they've spent so much on developing and promoting this. Sweep the keys if you need to.

I find it odd that people think chipmixer is somehow less trustworthy than other services who just send the coins directly to you. If you think about it it's about exactly the same likelihood that they will scam, which is almost zero especially if dealing with small amounts.

You have misunderstood something! By not giving us receipt, even if they do steal, we can't prove because we also have access to the funds which makes it easier for a scam to happen. It does NOT mean other services are safer! Just that if they send to a wrong address or if the funds were stolen, we can prove it in most cases and ask them for a refund. For ChipMixer, it is not possible even if it is their fault.

P.S. A hack/steal could also mean stealing private key from their server. Although chances of happening this are very low, it could happen. I hope if this is the case, ChipMixer will give a refund!



They CAN scam us and they MIGHT scam us! But it does NOT mean they WILL! Like others have said, it comes down to how much you trust them. ChipMixer offers features others don't offer and there are drawbacks for offering such features. If you don't like ChipMixer or is afraid they may scam you, don't use them! FYI, I have used ChipMixer recently! Both their service and their support are great!
6  Other / Beginners & Help / Re: How to sign a message?! on: July 08, 2017, 06:12:26 PM
Is there a way to sign a message using the new Blockchain.info wallet? In the old version it was quite easy. But in the new version, they seems to have removed this functionality. Actually, this is quite frustrating.

You can't sign messages with addressss created in new Blockchain.info wallet. If you have imported private key or if your addresses were created in old Bloclchain.info wallet, you can sign messages. If you want to sign messages with addresses created from new Blockchain.info wallet, you will have to first get private key of that address from seed (aka 12-word recovery phrase) and then import private key to a wallet or use a program only for signing messages.

https://github.com/iancoleman/bip39

I am also facing the same problem, as I can't sign messages with the new Blockchain.info wallet. How to get the private key of this wallet? I have the 12-word recovery phase with me (written down in paper).

Download https://github.com/iancoleman/bip39 and open it. Enter your 12-word seed (aka recovery phrase) in "BIP39 Mnemonic". Scroll down and you will see your addresses and private key corresponding to each one. Import private key of the address you want to sign with into a wallet such as Electrum, Bither or Blockchain.info or use a tool like https://github.com/weex/bitcoin-signature-tool.   If you want to sign message with a "change" address, change '0' to '1' in "External/Internal".
7  Other / Meta / Re: Account hack with proof on: July 08, 2017, 05:38:56 PM
Only an admin can help you! Currently, only theymos and Cyrus are admins. Asking anybody else to recover account won't help you and you will only be wasting your time. Use your current account until your old account is recovered. There is no need to wait until your account is recovered to post.
8  Economy / Web Wallets / Re: Lost Wallet-ID on: July 08, 2017, 05:31:33 PM
Do you have any of your old emails from them as it includes your identifier at the bottom? If not you could try send a small amount to one of the addresses if you had email notifications turned on as it'll send you an email notifying you of the payment.

[...] I don't think there
was an email linked to it, it's quite old and I don't even think it asked for an email back then.

@OP: If you are unsure whether you have linked your email with Blockchain.info or not, you should do as hilariousandco said. You maybe lucky!

P.S. Check "sent" & "draft" folder in your email account. It is possible for you to sent Blockchain.info support your identifier if have you contacted them.
9  Other / Meta / Re: Lauda should not be in DT2 ::::: Agree ? Yes : FuckOff on: July 08, 2017, 04:37:43 PM
Ummm, Lauda is an extortionist who has zero business being in any kind of power whatsoever.

Even if she is really an extortionist does not mean she should be removed from default trust list. As long as she had good judgement and is accurate in giving feedback, her being in default trust list in fine.

Many of the trust ratings that Lauda has left are based on unsubstantiated speculation, and/or are not against scammers/suspected scammers by any reasonable definition.

I think she is rash.

edit:
Funny how such a "trusted" member gets away with extortion and as soon as he loses DT power puts negative trust on me, after months of the extortion attempt which has been settled. He may be an active member but he is too power hungry and gets butthurt. Other members can tag the scammers, I don't know why lauda should be in DT again with his actions and greedyness.
He now accuses me of giving my alts trust feedback out of thin air... He is probably searching for another witch hunt on me as revenge of "extorting me and losing his power and respect".
Lauda has a history of leaving negative trust months/years after alleged incidents as a means to extort others.

Was there more than one case? Can you back this up? I have read previous incident, but I didn't find any other. I am not very active in 'Scam Accusations' board now. I could have missed it if there was any.
10  Other / Meta / Re: Forum Glitch ? "Sorry, no matches were found" on: July 08, 2017, 04:13:23 PM
His posts were deleted. As there is no post to show, "sorry, no matches were found" is shown. If you check general statistics of 'logonowpls', "no posts to speak of" is shown. I think even his post count and rank will be reset after sometime. I am not sure about it though!
11  Other / Beginners & Help / Re: Short question - Short answer [Official Thread] on: July 08, 2017, 04:04:57 PM
Thank you Muhammed for your help!! Really appreciate it.

Quick question:
What does mining group like http://www.l8nit3-miners.com/ does?

Thanks. Grin

https://bitcoin.stackexchange.com/a/22100

If you are going for pool mining, choose your pool carefully! See https://www.bitcoinmining.com/bitcoin-mining-pools/ and https://www.blocktrail.com/BTC/pools.
12  Other / Beginners & Help / Re: Is that safe to buy a used hardware wallet ? on: July 08, 2017, 03:31:14 PM
Almost everyone here believes that Hardware wallet is the best choice to store our coins. But I beg to differ. If we store our coins in a hardware wallet, then the anonymity is lost. You may be storing the wallet in a safe deposit box or a bank locker, but even then the cops can recover your coins if a need arises. So I prefer to keep my coins in online wallets.

Don't spread misinformation! Anonymity is lost when using hardware wallets? Where did you hear that? When you use hardware wallets (normally), your anonymity is not compromised.  You WILL loose anonymity if you use online wallets because they will know your IP and all addresses in your wallet. They can basically track all your activity.
13  Other / Beginners & Help / Re: How to sign a message?! on: July 08, 2017, 03:17:00 PM
Is there a way to sign a message using the new Blockchain.info wallet? In the old version it was quite easy. But in the new version, they seems to have removed this functionality. Actually, this is quite frustrating.

You can't sign messages with addressss created in new Blockchain.info wallet. If you have imported private key or if your addresses were created in old Bloclchain.info wallet, you can sign messages. If you want to sign messages with addresses created from new Blockchain.info wallet, you will have to first get private key of that address from seed (aka 12-word recovery phrase) and then import private key to a wallet or use a program only for signing messages.

https://github.com/iancoleman/bip39
14  Bitcoin / Bitcoin Technical Support / Re: What is Split Wallet on www.bitaddress.org ? on: July 08, 2017, 02:48:43 PM
You might want to read https://bitcointalk.org/index.php?topic=826374.0.

  -snip-
BUT, the public address is f.e. 14DMsSty9S6M51Bxh3X2ZiFhRvdfNhXAjV, why is that? I thought multisig adressess always start with a 3? Is the 3 at the beginning only optional?

Address starting with 1 is pay-to-pubkey-hash (P2PKH) and address starting with 3 is pay-to-script-hash (P2SH). You can't interchange 1 & 3 or any other letter in an address. It will result in an entirely different address than yours or end up with an invalid(unusable) address.

https://bitcointalk.org/index.php?topic=1064545.msg11410590#msg11410590
15  Economy / Exchanges / Re: Mobi Visa Card on: July 08, 2017, 02:24:26 PM
Bump.
16  Economy / Web Wallets / Re: Lost Wallet-ID on: July 08, 2017, 01:59:19 PM
No, you can't! If you are going to create a new wallet in Blockchain.info, don't forget to write down your seed (aka recovery phrase). It will help you to recover your private keys even if you forgot identifier and password.
17  Bitcoin / Bitcoin Technical Support / Re: Bitcoin RPC? on: July 08, 2017, 01:47:52 PM
What OS are you running the Bitcoin Core on?

You have to create a file called Bitcoin.conf in the directory that is in the same place as your blockchain database. In the file, you have to include these:
Code:
server=1
rpcuser=SomeUserNameButDon'tUseThis
rpcpassword=ARandomAndSecurePasswordAndTodayIs8/7/2017
Replacing the rpcuser and rpcpassword accordingly.

Use rpcauth.

https://github.com/bitcoin/bitcoin/tree/master/share/rpcuser
https://github.com/bitcoin/bitcoin/blob/master/contrib/debian/examples/bitcoin.conf

The second method `rpcauth` can be added to server startup argument. It is set at intialization time
using the output from the script in share/rpcuser/rpcuser.py after providing a username:

./share/rpcuser/rpcuser.py alice
String to be appended to bitcoin.conf:
rpcauth=alice:f7efda5c189b999524f151318c0c86$d5b51b3beffbc02b724e5d095828e0bc8b2456e9ac8757ae3211a5d9b16a22ae
Your password:
DONT_USE_THIS_YOU_WILL_GET_ROBBED_8ak1gI25KFTvjovL3gAM967mies3E=


On client-side, you add the normal user/password pair to send commands:
rpcuser=alice
rpcpassword=DONT_USE_THIS_YOU_WILL_GET_ROBBED_8ak1gI25KFTvjovL3gAM967mies3E=

You can even add multiple entries of these to the server conf file, and client can use any of them:
rpcauth=bob:b2dd077cb54591a2f3139e69a897ac$4e71f08d48b4347cf8eff3815c0e25ae2e9a4340474079f55705f40574f4ec99
18  Economy / Web Wallets / Re: Wallet that doesn't require ID and other stuff on: July 08, 2017, 01:16:31 PM
Bitcoin is a currency and no one should ask you for id verification for earning or dealing with a currency. Imagine going to the grocery tomorrow and the grocer asking for your identity to buy a loaf of bread! Wallets do not require any id verifications, but most exchanges do insist on one after a certain amount of transactions.

You have clearly said it yourself that wallets do not require personal information, so why bring exchanges? Wallets and exchanges are for different purposes. Wallet is for *storing* Bitcoin, while exchange is for *trading* or *exchanging* currencies/assets. Because of legal issues, exchanges do require personal information *for trading* [above their limit]. If you use it *only* for storing, there is no need for ID verification, but I absolutely deprecate using exchanges for storing your bitcoins.
19  Other / Meta / Re: Forum ranks/positions/badges (What do those shiny coins under my name mean?) on: July 08, 2017, 12:03:52 PM
I'm Full Member now. How long will it take to become Legendary Member?

https://www.bctalkaccountpricer.info/?token=is8n84s6

You need at least 775 activity to have a chance to become legendary. For your activity to reach 775, it will take ~44 periods (1 period = 14 days), i.e. ~88 weeks = ~618 days.

Thanks for really explaining this, this should be up there to help others quicker.

You're welcome!
20  Economy / Web Wallets / Re: 24 hours, yet unconfirmed. on: July 08, 2017, 11:40:26 AM
-snip-
Do you know why only Blockchain.info is recognizing this tx and how is someone able to do this kind of transaction that will never confirm? I already saw one of those "Bitcoin Doublers" using this kind of transaction only visible by the blockchain.info explorer but never got a answer on why is this possible.

He pushes transactions that seem valid to Blockchain.info, however aren't valid on the bitcoin network as a whole. As you can see, this transaction from 'Bitcoin Magic Doubler' is valid on Blockchain, however the same transaction is not found on blockr or Blocktrail.

If you use a transaction which uses an input which is considered as invalid by a node, your transaction won't be mined and hence, unconfirmed forever. All nodes reject double-spend transactions or transactions which use a double-spend transaction as input or a transaction which uses an unconfirmed input which has double-spend transaction as input and so forth. But for some reason, Blockchain.info don't do that. Blockchain.info's mempool configuration is different from other block explorers. Therefore, you will be able to see such transactions and also "unconfirmed" balances in Blockchain.info.

Mempool - A place where node store transactions which it consider as valid. You can configure it in different ways.

https://bitcoin.stackexchange.com/questions/46152/how-do-transactions-leave-the-memory-pool
https://bitcointalk.org/index.php?topic=1939408.msg19284845#msg19284845.

P.S. Normally, nodes also reject dust transactions, though, afaik blockchain.info don't.

Edit: Like crairezx20 already mentioned, this thread is closed. So please create a new thread in Development & Technical Discussion board if you have more doubts.

To calculate transaction fee, I recommend https://jochen-hoenicke.de/queue/#24h using as reference.
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