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Author Topic: Wall Observer BTC/USD - Bitcoin price movement tracking & discussion  (Read 21335441 times)
This is a self-moderated topic. If you do not want to be moderated by the person who started this topic, create a new topic. (104 posts by 20 users deleted.)
GreatArkansas
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August 08, 2019, 05:51:40 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
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August 08, 2019, 05:58:45 AM

I wouldn't have near the problem with the US tax system if it were not so purposefully opaque and complex.  It is fucking maddening.

A person of average education should be able to navigate their responsibilities, but no, we have spawned a system so labyrinthine that we have a whole class of preparers that have to go back to school every year to keep abreast of the changes.

Being unwilling to pay ones share toward the common good and balking at a setup intentionally crafted to confuse are two entirely different things.

Well said. Can't remember the last time I saw somebody use the word labyrinthine, nor in such a fitting context.

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August 08, 2019, 06:06:34 AM
Last edit: August 08, 2019, 06:28:20 AM by realr0ach


It's the synthetic short dollar squeeze (liquidity crisis) people like Martin Armstrong talk about from being the reserve currency.  However, reality will not play out like he claims.  Instead of creating high demand for dollars and the value of the dollar going to the moon while everything else experiences deflation, once the dollar passes a certain threshold, everyone will just default and the entire system goes bust because none of the debts are payable.  In other words, the dollar needs an emergency devaluation of 30% or higher to fix it's insane overvaluation compared to other fiats and prevent the whole system from blowing up.
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August 08, 2019, 06:09:51 AM


Quote
[Bitcoin] trades like a call option on a new [monetary] system

hmmmmm

Well, sounds familiar...
Of course...I said exactly (almost) the same on Aug 2 (5 days earlier) on this very forum, lol:
https://bitcointalk.org/index.php?topic=178336.msg52033878#msg52033878

Quote
Bitcoin itself trades more like an option (on a new financial system, I guess).

But, of course, on the internet ideas disseminate quickly and no one ever quotes anyone. Oh, well.


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August 08, 2019, 06:28:26 AM

Why is there a dollar liquidity crisis even with the govt printing tons of it?  Probably because at the end of an unsustainable growth cycle, there's no reason for any company to be expanding or building new projects, so all these companies like Apple, Google, and everyone else are sitting on hundreds of billions of dollars just doing nothing.  The economic system is a complete failure and caused most of the money to centralize in a handful of corporations. Negative interest rates do absolutely nothing to fix that because there's still no reason to expand and NIRP just creates an even worse economy.

Just because they have these billions doesn't actually make them smart money, though.  In a world where it's blatantly obvious the only way for the system to continue is massive devaluation of debt through huge inflation, anyone sitting on enormous amounts of fiat is a complete idiot.  These guys are the dumbest money in the room.  Instead of holding hundreds of billions of dollars in cash, they should be holding billions of dollars in gold and silver.  And that's probably where these billions will be heading once govts are forced to massively devalue the fiat.
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August 08, 2019, 06:56:16 AM
Merited by JayJuanGee (1), DeathAngel (1)

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

micgoossens
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BTFD, on to 15K a coin !!!!


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August 08, 2019, 07:27:59 AM

Central banks around the world are slashing interest rates.

Soon they'll start printing egregious amounts of money.

Bitcoin halving approaching quickly.

Buckle up.

This may get insane.

https://twitter.com/apompliano/status/1159089649647796224?s=21
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August 08, 2019, 07:44:51 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


This is like telling people to put toilet paper between their hand and arse before wiping off.
But many still don't even cover the keypad of an ATM machine when putting in their pin code  Roll Eyes
Facepalm emoticon needed...

Good morning at $11.827 (another reject before bounce?)
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August 08, 2019, 07:57:31 AM
Merited by JayJuanGee (1), GreatArkansas (1), VB1001 (1), Woodie (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/
GreatArkansas
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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), micgoossens (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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BTFD, on to 15K a coin !!!!


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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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