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13541  Bitcoin / Development & Technical Discussion / Re: Message signing on: December 16, 2018, 11:55:06 AM
i guess you need those details for faster retrieval of the transaction.  am i right?
No I think this has to do with staking your BTC address in order to prove ownership of your BTT account. It is recommended to stake your address in this thread > https://bitcointalk.org/index.php?topic=996318.0
That way you will be able to prove you are the rightful owner of the BTT account in case it gets hacked.
13542  Local / Altcoins (Hrvatski) / Re: Svašta o Twitteru on: December 16, 2018, 11:50:05 AM
Dobra fora, nije mi palo na pamet ovakvo što.
Hoće li twitter audit onda ostati za drugi username?
Ako je tako, onda ne znam koliko je ovo korisno.
Dobro pitanje! Zaista ne znam, nisam neki twitteraš pa i ne koristim ga. Možda neko bude isprobao kad mu bude trebao novi audit pa podjeli svoja iskustva.
13543  Local / Off-topic (Hrvatski) / Re: Dajem merite za sljedećih 10 postova (viceva) on: December 16, 2018, 11:47:32 AM
Zapalio se plavuši stan i zove ona vatrogasce. Molim vas pomozite mi stan mi se zapalio!
Gospođo molim vas smirite se, recite nam kako ćemo doć do vas?
Pa dođite sa onim velikim crvenim kamionom!
13544  Local / Anfänger und Hilfe / Re: Ledger Nano S - Viele Anfängerfragen on: December 14, 2018, 05:46:08 PM
Hab meine Wallet mit Electrum geöffnet. Danach ging alles wieder.

Hat dir das hier geholfen?
Du kannst deine Ledger Nano 6 auch mit der Electrum Wallet verbinden.
Beim Öffnen von Elektrum wähle aus dass du ein Hardwaregerät anschließen möchtest. Dann kannst du die Adresse mit Electrum synchronisieren oder die Bitcoins von Electrum senden.

Mehr dazu hier
https://support.ledgerwallet.com/hc/en-us/articles/115005161925-Set-up-and-use-Electrum
Hast du nach dem Verbinden mit Electrum versucht, Ledger Live erneut zu verwenden um zu sehen, ob die Synchronisation abgeschlossen ist?
13545  Economy / Services / Re: Offering my Signature Space for Advertising on: December 14, 2018, 05:34:49 PM
Still looking for offers.
13546  Other / Serious discussion / Re: Are there any selfless deeds? on: December 14, 2018, 05:30:19 PM
I grew up holding doors for people, being especially polite to people who have to deal with others for a living, and a handful of other common courtesies that aren't really anything major, but apparently some people notice from time to time. I don't get any satisfaction out of doing things like that, its just habit.
I like your reply a lot but I wanted to ask you about this part that I quoted. You say that you grew up holding doors for people. You were either thought to hold doors or you saw someone else do it, liked it, and decided to do it yourself, am I correct? I do it all the time as well. When i walk in/out of my building and see that a neighbour is approaching I tend to stay for a few extra seconds and hold the door. It seems un polite to slam the door before their faces. I was taught to do that and I also saw my parents do it while I was growing up and now it is a normal thing for me to do. Most of the time the reaction of the people who I held the doors for were positive. There was either a smile, or a thank you or the occasional 'what a polite young man you are'... Intentionally or not, I am sure those reactions stick with you in one way or the other. Imagine if the reactions were negative and instead people would say 'I can open my own doors, I don t need your help'! Can you really say without a doubt that the reactions you received from people didn't have the slightest affect on you growing up? I dont think I can. I am not doing it because of the recognition but I do expect at least a 'thanks' in return.   
13547  Other / Beginners & Help / Re: Somebody sended me weird MMS.I think that person wanted to hack me!! on: December 14, 2018, 04:57:01 PM
You should move this to the Help & Discussion forum as Meta is only for discussions related to this forum and nothing else.
At the end of the page click on Move Topic and select the Help & Discussion forum to move the topic there.

If someone is to help you with your problem you need to give more info regarding the content of the message you received. Nobody will be able to help you based on that what you wrote.
To be on the safe side you should not download any files that come from people you dont know.  
13548  Bitcoin / Development & Technical Discussion / Re: Why use RFC6979 and is there any downsides? on: December 14, 2018, 04:39:20 PM
I managed to find an old post with the same subject, here take a look.
Quote
Why make ECDSA deterministic?
There are two major reasons to use a deterministic algorithm here.  In regular ECDSA, if two signatures are created (different messages) with the same k value, the private key can be calculated.  This means that ECDSA immediately fails if k is not chosen randomly.  The recent Android mishap led to such a problem.  Using deterministic ECDSA avoids this.

Secondly, it allows easy verification of ECDSA implementations, using fixed test vectors.  Regular ECDSA implementations cannot use signature test vectors, because the signatures are random by design.

Source: https://bitcointalk.org/index.php?topic=285142.0
13549  Other / Meta / Re: Am I allowed to copy/paste my own message to warn people for a scam? on: December 14, 2018, 12:24:25 PM
If the quoted message is 100% yours it shouldn't be a problem for you to post it anywhere you see fit. If another user sees your post and remembers seeing the same post somewhere before and decides to do a search for it he will find that you are the original author so you are fine.
13550  Other / Meta / Re: Give an indication why an account was banned! on: December 14, 2018, 12:10:45 PM
That is good news, that should now mean less topics in Meta with questions 'why was my account banned'...hopefully.
Unless they now turn into 'Email sent for banned account but no reply received, why'?  Roll Eyes
13551  Local / Off-Topic (Deutsch) / Re: Wohin mit gebrauchten Hardware Wallets? on: December 14, 2018, 11:54:30 AM
Also ich würde auch einen nehmen... zB. Trezor oder KeepKey so könnte ich einfach einmal zu meinem Nano das Handling vergleichen...

Habe mit beiden keinerlei Erfahrung, welcher kann mehr Coins handeln, sorry habe mich noch nicht damit beschäftigt...
Trezor kann 698 coins und tokens aufnehmen.
https://trezor.io/coins/

Keepkey hält nur 54 verschiedene coins und tokens
https://www.keepkey.com/cryptocurrencies/
13552  Economy / Services / Re: [Open] 🚀 Bitcasino.io 🚀 [Signature Campaign] 🚀 [.02 BTC/week] on: December 13, 2018, 08:20:01 PM
It seems the payment is the same for both Hero and Legendary accounts so if there is a spot for Hero members as well I would like to apply.

Btctalk name: Pmalek
Rank: Hero
Bitcoin Wallet Address: bc1q3g8a3aeq37daauy7spf9nxxgtymupwyvf493jh
Wear Appropriate Signature: Will be changed if I get accepted
Wear Personal Text: One of the world's leading Bitcoin-powered casinos: Will be changed if I get accepted
Wear Avatar: Will be changed if I get accepted
13553  Other / Serious discussion / Are there any selfless deeds? on: December 13, 2018, 08:05:02 PM
I came across a Friends episode the other day where Joey and Phoebe were discussing selfless deeds and if there is such a thing as selfless deeds, deeds that can truly be selfless. It is a very complex question so let’s take a look at what a dictionary has to say about the term selfless.

The definition of selfless is being more concerned with the needs of others than with your own needs.
An example of selfless is a mother's devotion to her child causing her to always put the child's needs first, before her own.
https://www.yourdictionary.com/selfless

This is a good example of what a selfless deed could be but is it really selfless?
Yes, a mother loves her child, she will do anything for her child and wants it to do well, be healthy and be strong. But, every time a mother sees a smile on her child’s face she will fill up with joy, she will be proud and happy that her child is satisfied. Is she happy partly because it was her actions, her deeds that resulted in her child’s happiness?! And can those deeds in that case be considered as selfless?

In the mentioned Friends episode, Phoebe says that she donated some money to a good cause and because she ‘didn’t get anything in return’ and now has less money in her pockets, she did a selfless deed. But Joey asked her how did you feel when you donated the money? Were you happy that your donation will be used for a good cause? Are you proud of yourself? You gave the money to charity and didn’t spend it yourself, do you like the recognition you received?
“It made you feel good, that makes it selfish" - Joey Tribbiani

People might argue that a deed is selfless if you give or offer something and don’t get anything in return, but you do get something in return - spiritually. Because the happiness and satisfaction you get from your deed is also a profit of some sort. Something as simple as a back scratch where you scratch the back of your partner but don’t get a back scratch yourself is not truly selfless if a part of you likes the compliment that you are giving the best back scratches in the world.

What do you think about selfless deeds and is there such a thing?


Sources and additional reading:
http://www.bbc.com/earth/story/20160718-there-is-no-such-thing-as-a-truly-selfless-act
https://www.quora.com/Can-there-be-truly-any-selfless-good-deed-If-there-is-none-then-what-is-a-deed-that-comes-close-to-a-selfless-good-deed

13554  Local / Off-Topic (Deutsch) / Re: Wohin mit gebrauchten Hardware Wallets? on: December 13, 2018, 06:49:53 PM
Sie können weiterhin von anderen Benutzern verwendet werden.
Es besteht keine Gefahr, dass der Wallet kompromittiert wird, da die Nutzer vor der Verwendung einen neuen Seed erzeugen.

Sowohl Trezor als auch Ledger verfügen über Sicherheitsmaßnahmen, um zu verhindern, dass in der Hardware-Wallets Malware installiert wird.

Trezor:
Quote
Reflashing the TREZOR with evil firmware
Official TREZOR firmware is signed by the SatoshiLabs master key. Installing unofficial firmware on the TREZOR is possible, but doing so will wipe the device storage and TREZOR will show a warning every time it starts. Reprogramming the bootloader is impossible because all TREZORs ship with their secure programming fuse blown.

Inspect the TREZORs memory with an electron microscope
You might imagine yourself dissolving the TREZOR CPU in acid, finding the reprogramming fuse, repairing it, and then loading evil firmware on the TREZOR. I’m no science fiction author, but my guess is – this might be possible. However, the Cortex M3 is a sensitive multilayer chip. The components inside are much smaller than those fake eBay amps. Chances are, all you’d end up doing is destroying the chip. Even if you succeeded in doing so, this will be a costly and time-consuming task. In the end, the bitcoins will be gone already because the original owner will have changed their recovery seed upon discovering that their TREZOR was stolen.

Evil maid attack - replace the TREZOR with a fake
It might be possible for an evil ninja, or your little brother, to steal your TREZOR and replace it with a fake TREZOR. If the fake TREZOR was embedded with a wireless transmitter, then the fake TREZOR could wirelessly transmit any PIN it received. The attacker would then have full access to your funds.

If you are concerned about such an attack, it is a good idea to sign the back of your TREZOR with a permanent pen. Don’t forget to check the signature before each use.

The TREZOR’s chassis is sealed using ultrasound. Opening the TREZOR without destroying the case is nearly impossible.

Ledger:
Quote
How to verify the security integrity of my Nano S?

On the hardware side, if you want to check that the Nano S has not been tampered with, or the applications running are the official apps, here are a few things that you might need to know:

1) The Secure Element checks the full microcontroller flash at boot (this is described in our blog post). If it has been modified, you'll get a warning at boot. As an additional check, you can open the device to verify that no additional chip has been added (referring to the attached picture) and that the MCU is an stm2f042k6 (with 32 Kb flash, as a bigger flash could contain code fooling the Secure Element validation). Markings on the chip can vary but you should see the string "042K6".

2) The Secure Element itself is personalized at factory with an attestation proving that it has been created by us. You can verify it by running

pip install --no-cache-dir ledgerblue

python -m ledgerblue.checkGenuine --targetId 0x31100002

The source code is available here: https://github.com/LedgerHQ/blue-loader-python/blob/master/ledgerblue/checkGenuine.py

3) Each individual application will display a "Non Genuine" warning if not signed when opened. A modified User Interface (as found in https://github.com/LedgerHQ/nanos-ui) will also display a warning message on boot.

4) The root of trust for the current batch is the following secp256k1 public key : 0490f5c9d15a0134bb019d2afd0bf297149738459706e7ac5be4abc350a1f818057224fce12ec9a 65de18ec34d6e8c24db927835ea1692b14c32e9836a75dad609 - as checked in checkGenuine.py https://github.com/LedgerHQ/blue-loader-python/blob/master/ledgerblue/checkGenuine.py#L72

Mehr darüber erfahren sie hier:
https://bitcointalk.org/index.php?topic=1985195.msg19769751#msg19769751
https://bitcointalk.org/index.php?topic=1985195.msg19861789#msg19861789
https://doc.satoshilabs.com/trezor-faq/threats.html
http://support.ledgerwallet.com/knowledge_base/topics/how-to-verify-the-security-integrity-of-my-nano-s
13555  Local / Trading und Spekulation / Re: Geld/Tokens auf der Börse on: December 13, 2018, 05:54:40 PM
Habt ihr eine Empfehlung für eine Desktopwallet die viele Tokensbeherbergt?
Bei den vielen Altcoins kann man ja nicht für jeden Coin eine Wallet runterladen und führen.

Welche kombi-Wallet für viele Alts ist zur Zeit führend?

Gruß
Stromi
Du kannst der Exodus wallet ausprobieren > https://www.exodus.io/
Außerdem gibt es auch Jaxx > https://jaxx.io/
13556  Other / Meta / Re: Moderator please check - "using automated translation tools in local board" on: December 13, 2018, 05:21:47 PM
If native users are active on their local board then it is easy to report automated translators or who use any type of tools to translate. If native can report against the translator then moderator can take action easily.
That is exactly right! If you browse your Local forum on a regular basis pay attention to the threads that are opened there. If you find threads like this one promising giants and dragons and what not, post in the thread with proof that google translate was used, report it to the mods and help genuine translators from your local sections from not losing translation work because of cheaters. 
13557  Other / Meta / Re: Prevent profiles with negative trust from sending merit on: December 13, 2018, 05:14:54 PM
A tagged member can still find posts that are worth meriting and unless they are meriting shitposts or selling their merits there shouldn't be a reason for them to not be able to merit other users. Deal with a tagged individual with caution but if you like a post it doesn't matter if it was written by a J.Member, Legendary or a tagged user, they can still be merited.
13558  Bitcoin / Bitcoin Technical Support / Re: How to see bitcoin core addresses on an encrypted wallet.dat on: December 13, 2018, 04:52:34 PM
Quote
If it's encrypted you need to install the wallet to see the addresses, but then you can just copy them and check online instead of downloading the entire blockchain.
Source: https://www.reddit.com/r/Bitcoin/comments/7o3cob/quicked_way_to_check_walletdat_address_balance/

Another user had a similar issue and that was the solution from reddit.
13559  Local / Hrvatski (Croatian) / Re: Novosti on: December 12, 2018, 10:24:38 PM
Nisam htio da otvaram zasebnu temu pa ću da podjelim jednu vijest ovdje.

Coinbase je uveo besplatno povlačenje sredstava na PayPal za nekoliko fiat valuta. Valute koje se mogu besplatno povuč na Paypal su USD, EUR i GBP.
Coinbase nije izdao zvanično saopštenje o ovome ali je poslao Emailove korisnicima kojima je ta opcija aktivirana.
Za sada je ova opcija dostupna korisnicima SAD-a, Velike Britanije, EU-a i Kanade. Da li se mi ubrajamo u ove EU zemlje - ne znam ali je svakako zanimljiva stvar.

Više o tome ovdje:
https://ambcrypto.com/coinbase-secretly-introduces-free-paypal-withdrawals/
13560  Local / Altcoins (Hrvatski) / Re: Svašta o Twitteru on: December 12, 2018, 10:16:20 PM
Evo jedno uputstvo za koje neki članovi kažu da radi dok drugi tvrde da ne radi. Ko radi twitter kampanje neka proba ako želi i da pokuša da dobije besplatan twitter audit.

1. Onemogučite Twitter Auditu pristup vašem nalogu.
Kliknite na Profile i Settings
Zatim na Apps and devices
Klik na Revoke access za Twitter Audit aplikaciju
Počistite browsing history i cookies i restartujte preglednik



2. Zatim, privremeno promjenite korisničko ime vašeg Twittera.
Uputstvo kako promjeniti korisničko ime možete naći ovdje:
https://help.twitter.com/en/managing-your-account/change-twitter-handle
3. Zatražite audit sa novim korisničkim imenom.
4. Nakon audita vratite svoje prvobitno korisničko ime.

Javite ako je ovo uspjelo.


Izvor: https://bitcointalk.org/index.php?topic=5082394.msg48559477#msg48559477



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