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Question: Did we reach the bottom already?
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Author Topic: Wall Observer BTC/USD - Bitcoin price movement tracking & discussion  (Read 25877687 times)
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AlcoHoDL
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August 08, 2019, 07:57:31 AM
Merited by JayJuanGee (1), GreatArkansas (1), Woodie (1), VB1001 (1)

Details of the OLED Vulnerability and its Mitigation

Quote
This article describes an information leak discovered in the OLED display used by hardware wallets, including Trezor One. We want to explain how this side-channel attack works and what measurements we took to mitigate the threat. This attack affects only the Trezor One; Trezor Model T is immune to this attack thanks to its entirely different display.

https://blog.trezor.io/details-of-the-oled-vulnerability-and-its-mitigation-d331c4e2001a

Very smart!

Ledger too.

Quote
Like many hardware wallets, the Ledger Nano S and Ledger Nano X include an OLED screen to display sensitive information. In the case of Ledger’s products, the following information is displayed on the screen:
  • The confidential recovery phrase during the setup,
  • The PIN code entered to unlock the device.
As this information is confidential, we always recommend our users to operate their devices in a secure environment. In an unsafe place, someone could eavesdrop and gain access to critical information, and thus to your crypto assets.

Read more here: OLED screen (minor) vulnerability

Thanks.

I really enjoy reading about such vulnerabilities, not only in order to take the necessary measures to protect myself (f/w updates, etc.), but also to admire the efforts of the hackers (well, the researcher in this case), for their ingenuity and cleverness. I'm an electronics engineer and I'm absolutely in love with my work. I can imagine the excitement that Christian Reitter felt when he saw those patterns on the oscilloscope's screen.

I think TREZOR's countermeasures are better than Ledger's. TREZOR's solution totally equalizes power consumption between different seed words, but sacrifices looks, while Ledger's maintains good looks, but sacrifices a little bit on security (screen content can theoretically still be inferred by power consumption patterns, but the process is now much more difficult).

tl;dr: Treat your TEZORs/Ledgers as physical wallets (like the one in your pocket carrying your fiat). Don't assume you are fully secure by using them. You can't begin to imagine what a good hacker can do once your device is in his/her hands...

----------

Edit: Check out the following related story. Long, but well worth the read. Hats off to the hacker!

https://www.wired.com/story/i-forgot-my-pin-an-epic-tale-of-losing-dollar30000-in-bitcoin/
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According to NIST and ECRYPT II, the cryptographic algorithms used in Bitcoin are expected to be strong until at least 2030. (After that, it will not be too difficult to transition to different algorithms.)
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August 08, 2019, 08:19:02 AM

Details of the OLED Vulnerability and its Mitigation

Quote
This article describes an information leak discovered in the OLED display used by hardware wallets, including Trezor One. We want to explain how this side-channel attack works and what measurements we took to mitigate the threat. This attack affects only the Trezor One; Trezor Model T is immune to this attack thanks to its entirely different display.

https://blog.trezor.io/details-of-the-oled-vulnerability-and-its-mitigation-d331c4e2001a

Very smart!

Ledger too.

Quote
Like many hardware wallets, the Ledger Nano S and Ledger Nano X include an OLED screen to display sensitive information. In the case of Ledger’s products, the following information is displayed on the screen:
  • The confidential recovery phrase during the setup,
  • The PIN code entered to unlock the device.
As this information is confidential, we always recommend our users to operate their devices in a secure environment. In an unsafe place, someone could eavesdrop and gain access to critical information, and thus to your crypto assets.

Read more here: OLED screen (minor) vulnerability
I think TREZOR's countermeasures are better than Ledger's. TREZOR's solution totally equalizes power consumption between different seed words, but sacrifices looks, while Ledger's maintains good looks, but sacrifices a little bit on security (screen content can theoretically still be inferred by power consumption patterns, but the process is now much more difficult).
And also, what I admire in Trezor is they do the action fast, even the vulnerability is not quite risky but they manage to make another version of the firmware update so the security will upgrade, while the Ledger (on this vulnerability, they said, Q4 2019 will be added the mitigates on this vulnerability, since it is too long, maybe they can create much better solution for that vulnerability, we don't know... )
Btw, here's the thread about the recent OLED display vulnerability on some hardware wallets.
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August 08, 2019, 08:21:55 AM
Merited by Paashaas (1), El duderino_ (1)

Observing $11,940.

On route to Amsterdam for a few days & a meet up with mic & cryptoqueeen. Hopefully $12,000 soon whilst I wait to get my flight in a few hours.

Cheers WO’s!

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August 08, 2019, 08:35:33 AM

Observing $11,940.

On route to Amsterdam for a few days & a meet up with mic & cryptoqueeen. Hopefully $12,000 soon whilst I wait to get my flight in a few hours.

Cheers WO’s!



Have Fun catch you soon, looking forward to it !!!!!
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August 08, 2019, 09:57:37 AM
Merited by LFC_Bitcoin (1)

Observing $11,940.

On route to Amsterdam for a few days & a meet up with mic & cryptoqueeen. Hopefully $12,000 soon whilst I wait to get my flight in a few hours.

Cheers WO’s!

Have Fun catch you soon, looking forward to it !!!!!

Maak er een mooie dag van!  Smiley
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August 08, 2019, 10:09:30 AM
Merited by Paashaas (1)

Observing $11,940.

On route to Amsterdam for a few days & a meet up with mic & cryptoqueeen. Hopefully $12,000 soon whilst I wait to get my flight in a few hours.

Cheers WO’s!

Have Fun catch you soon, looking forward to it !!!!!

Maak er een mooie dag van!  Smiley

Zowizo, wij zullen wrs ook niet ver van elkaar komen denk ik....

Bedankt !
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August 08, 2019, 11:50:59 AM

Good morning WO! It seems that the support at 11400 has increased dramatically in Bitstamp. May be another leg up will follow shortly that will lead to a new AYH. Holding my breath  Grin


Wow we are now looking at a new ALL YEAR HIGH anytime soon nice.

Bull 1
Bear 0

Though I think the bear has more overall points if we base this on the ATH.
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August 08, 2019, 11:52:25 AM

Tot ziens   Cool
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August 08, 2019, 11:56:22 AM

Observing $11,940.

On route to Amsterdam for a few days & a meet up with mic & cryptoqueeen. Hopefully $12,000 soon whilst I wait to get my flight in a few hours.

Cheers WO’s!

Have Fun catch you soon, looking forward to it !!!!!

Maak er een mooie dag van!  Smiley

Zowizo, wij zullen wrs ook niet ver van elkaar komen denk ik....

Bedankt !

- .... .- - / .-.. .- -. --. ..- .- --. . / .. ... / - --- - .- .-.. .-.. -.-- / .- / ... . -.-. .-. . - / -.-. --- -.. . --..-- / ... --- / .. / .--- ..- ... - / .-- .- -. - . -.. / - --- / -... . / .--. .- .-. - / --- ..-. / - .... . / --. .- -- . -.-.--
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August 08, 2019, 12:14:28 PM

Observing $11,940.

On route to Amsterdam for a few days & a meet up with mic & cryptoqueeen. Hopefully $12,000 soon whilst I wait to get my flight in a few hours.

Cheers WO’s!

Have Fun catch you soon, looking forward to it !!!!!

Maak er een mooie dag van!  Smiley

Zowizo, wij zullen wrs ook niet ver van elkaar komen denk ik....

Bedankt !
Is er een Nederlands Bitcoinfeestje waar ik niks vanaf weet Sad Or do you need a minimum amount of BTC to join Grin
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August 08, 2019, 01:22:45 PM

more than 1 hour to get a block, I hate when this happens when I need to transfer some corn around within a reasonable time frame.
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August 08, 2019, 01:36:49 PM

Good afternoon WO!
Bitcoin @ $11,790
Feeling good, EPL starts from tomorrow with Liverpool vs Norwich
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August 08, 2019, 01:40:58 PM

Observing $11,940.

On route to Amsterdam for a few days & a meet up with mic & cryptoqueeen. Hopefully $12,000 soon whilst I wait to get my flight in a few hours.

Cheers WO’s!

Have Fun catch you soon, looking forward to it !!!!!

Maak er een mooie dag van!  Smiley

Zowizo, wij zullen wrs ook niet ver van elkaar komen denk ik....

Bedankt !

- .... .- - / .-.. .- -. --. ..- .- --. . / .. ... / - --- - .- .-.. .-.. -.-- / .- / ... . -.-. .-. . - / -.-. --- -.. . --..-- / ... --- / .. / .--- ..- ... - / .-- .- -. - . -.. / - --- / -... . / .--. .- .-. - / --- ..-. / - .... . / --. .- -- . -.-.--

Yeh kya drama macha rakha hai!!!
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August 08, 2019, 01:51:31 PM
Last edit: August 08, 2019, 02:37:11 PM by fillippone

more than 1 hour to get a block, I hate when this happens when I need to transfer some corn around within a reasonable time frame.

Wow.
Considering hashrate is at historical maximun this is quite weird.

Bitcoin Network Hash Rate Hits 80 Quintillion for the First Time


Quote
Data from monitoring resource Bitinfocharts confirmed Bitcoin’s hash rate exceeded 80 quintillion SHA256 hashes per second Aug. 8, the first time such a level has been reached.


EDIT: Sorry, shall we read your quote as:
more than 1 hour to get IN a block, I hate when this happens when I need to transfer some corn around within a reasonable time frame.

This is quite different and has probably to do with a wrong fee estimation.

Yes because despite high price fees haven't never been so low:

Despite Criticisms It Can't, Bitcoin Is Scaling

Quote
[...] transaction fees are the lowest they’ve ever been when Bitcoin is trading above $10,000. On August 4th, the median Bitcoin transaction fee was $0.15 per transaction. Typically the fees associated with Bitcoin transactions follow prices. With higher prices, higher fees tend to follow.

This is a peculiar situation. Never before in Bitcoin history have we seen fees as low as $0.15 when prices were above $10,000. The next closest day of transaction fees was February 21, 2018, when Bitcoin transaction fees were $0.19 during one of the final days above $10,000 in the 2017/2018 bubble. Most days with Bitcoin prices above $10,000 had transaction fees well above $1 per transaction — sometimes as high as $30.
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August 08, 2019, 01:57:53 PM

Observing $11,940.

On route to Amsterdam for a few days & a meet up with mic & cryptoqueeen. Hopefully $12,000 soon whilst I wait to get my flight in a few hours.

Cheers WO’s!

Have Fun catch you soon, looking forward to it !!!!!

Maak er een mooie dag van!  Smiley

Zowizo, wij zullen wrs ook niet ver van elkaar komen denk ik....

Bedankt !

- .... .- - / .-.. .- -. --. ..- .- --. . / .. ... / - --- - .- .-.. .-.. -.-- / .- / ... . -.-. .-. . - / -.-. --- -.. . --..-- / ... --- / .. / .--- ..- ... - / .-- .- -. - . -.. / - --- / -... . / .--. .- .-. - / --- ..-. / - .... . / --. .- -- . -.-.--

Yeh kya drama macha rakha hai!!!


Xo'sh, bu tezda kuchayib ketdi
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August 08, 2019, 02:23:46 PM


Looks fake but i like the idea.



Yeah, agree everyone here can do this all day-night  Wink. We should stop because think if JJG is in a good mood and start doing the same in all posts. Grin


Xo'sh, bu tezda kuchayib ketdi


Btw i end up here https://www.youtube.com/watch?v=R5RAEfNW18I with this.
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August 08, 2019, 02:53:07 PM


Looks fake but i like the idea.

I could be doing the same thing with a tractor all day, instead of listening to customers say nonsense to try to close a contract.
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August 08, 2019, 04:08:46 PM

Let alone the fact that the 16th Amendment was fraudulently declared as enacted by Secretary of State Philander Knox, without the acquiescence of the requisite 2/3 of all states ratifying.

So much wrong I can't address it all, so I'll just correct one item and declare your entire post invalid.

"when ratified by the legislatures of three fourths of the several states"

Thanks. Working from memory here. Fraudulently declared as enacted by Secretary of State Philander Knox, without the acquiescence of the requisite 3/4 of all states ratifying.

Actually, I'll revisit this. If there is 'so much wrong', then with what else do you take issue? Are you trying to tell me that decisions of the US Supreme Court have no relevance?
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August 08, 2019, 04:09:50 PM
Merited by tmfp (1)

Got a call from my bank today. They had a few questions about my finances and expected money movements in the coming year. I barely deal with them so it was over quick, but they know I have bitcoin and I know they don't like it. Probably just a matter of time until they boot me, but that's expected.

I'm gonna buy my plane tickets with bitcoins the next few times. Lots of places that do it now, gotta see if I can actually live a normal life without a bank.
On that topic, check out Celsius.network.

It pays me 4.6% interest on my Bitcoin, and will loan me money at 5%interest witl btc collateral.

I started earning on some of my btc stash 2 weeks ago.  So far it's awesome!

So now you don't need. Anne for loans any more,. And holding can pay interest.

At the mere cost of counterparty risk.
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August 08, 2019, 04:16:42 PM

Quote
Sixteenth Amendment ratification arguments have been rejected in every court case where they have been raised and have been identified as legally frivolous.[3]

Yes, they have been rejected. Without ever addressing the facts of the matter. At least in every case I have reviewed.

Whaddaya expect? Statists gonna state.

You live under a common law system.  Judges make the law by interpreting the constitution, legislation and previous cases.  If a judge says it, it’s law until overturned.   That’s just how it works. If you want to tip over that particular apple cart, you are going to have to go back to the Norman Conquest in 1066.

I think we are in violent agreement on this part. However...

If the courts were to respect the law -- especially common law -- they would be able to trace their decisions through the precedents to the point where any matter of law was considered and judged upon. The basis of the income tax is a matter that cannot be traced back to a source decision. Because there exists none.
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