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901  Bitcoin / Development & Technical Discussion / Re: Finding private key from torn QR and some characters? on: January 27, 2021, 09:42:16 PM
Guys in this quote chain, why make it like we have to privately send the code to OP, when it can just be uploaded to Github as a public proof and so that future people can benefit from it?

I see no benefit in spending a lot of energy making something only to hide it from the public. Just look at how many threads that exist here offering bounties to decode/decrypt/unscramble/brute-force their private key and imagine how many less threads like those would be made if the existing problems were solved and the code made available.

Why need the code for the proof at all? Usually the only proof those kind of Piñatas require is that the coins have been successfully moved out of the target address, no?
902  Bitcoin / Development & Technical Discussion / Re: Sync your blockchain easily! on: January 27, 2021, 02:01:40 PM
Btw, thanks for the bandwidth, OP! While I thought it important to give newbs a heads-up that an external download will not increase their sync speed I did not expect the topic to be that contentious lol ¯\_(ツ)_/¯
903  Bitcoin / Development & Technical Discussion / Re: Finding private key from torn QR and some characters? on: January 27, 2021, 12:48:21 PM
Let's play a game - I'm offering 0.1BTC to whoever comes up with decoding software for my attached photo.

If you're serious about it, i would advice you to sign message with address which contain 0.1 BTC or use trusted escrow to attract people & edit title of this thread to attract of more people.

I agree, but how can I guarantee to also get the software?

Oh, so you want to hire someone then to write this software for you? Smiley That's quite different from "playing a game" because in that case you'd definitely need a trusted escrow.
904  Bitcoin / Development & Technical Discussion / Re: Finding private key from torn QR and some characters? on: January 24, 2021, 11:28:42 PM
With only 12 out of 51 characters known there's still slightly more than 192 bits left which in the case of ECDSA should still be more than enough.

Calculated based on the formula found here:
https://crypto.stackexchange.com/questions/80996/a-multi-target-attack-on-128-bit-ecdsa-private-keys

For n=192 we'd get roughly 2^(97 - 31 - 3 + 7) = 2^70 seconds of computing time with 8 cores @ 2.1 Ghz, which would be about 3 * 10^13 years which is a few orders of magnitudes longer than the age of the universe.

You could cut this down to a year by running about 3 * 10^13 machines of similar specs instead of just one tho
905  Bitcoin / Legal / Re: Crypto friendly countries, where and how to exchange your crypto with 0 taxes on: January 24, 2021, 02:21:20 PM
As for income tax, their law says that if you buy a crypto and keep it for at least 1 year, you can sell it without paying any tax - although someone mentioned that the crypto must be kept in a custodial wallet.

It might help to keep crypto in a custodial wallet for record purposes, but it's not a legal necessity. Thing is, if you hold crypto for more than a year and then sell it for profit, you don't need to report it at all since it's not taxable to begin with. You only need to proof that you held crypto for at least a year if the financial authorities come asking. For the moment it seems that the blockchain is proof is enough. (presumably you will also have to disclose the source of your coins, but thanks to AML5 this questioning already starts at the exchange level anyways)


As for Portugal and their decision regarding the crypto tax :

Portugal has taken the opposite tack: it made clear that buying or selling cryptocurrencies would not be subject to capital gain taxes or value-added tax (VAT). The PTA previously clarified in 2016 that buying or selling cryptocurrency in Portugal would not be considered a taxable event which means that it’s not subject to tax. There are exceptions: the receipt of cryptocurrency in exchange for goods or services doesn’t change the tax treatment of the original transaction, and taxpayers who deal in cryptocurrency as a professional or business activity are still subject to some taxes.

That's again a different case from OP though. If you receive crypto as payment in exchange for goods or services (including mining!) it's taxable income based on the fiat exchange rate at the time, even in countries that don't tax trading profits.
906  Bitcoin / Development & Technical Discussion / Re: Sync your blockchain easily! on: January 23, 2021, 10:55:26 PM
Do you have any link proving bitcoin thefts from malicious blocks files sharing? I can't find any.

The quote posted above:
https://bitcointalk.org/index.php?topic=1310261.msg51300579#msg51300579

It might have "just" been malware that got bundled with legit bootstrap files, however I don't know the details.
907  Bitcoin / Development & Technical Discussion / Re: Sync your blockchain easily! on: January 23, 2021, 09:59:23 PM
I'm not assuming any ill will from your end and I have no doubt that there are cases where bootstrapping the blockchain may be desirable.

But it is worth noting that in most cases using a bootstrap file will actually take longer and does come with risks due to cases such as this:

FWIW, I just removed a nearly year old post with a .bitcoin directory download that would have stolen all your bitcoins.

Case in point as to why these "download the blockchain" links are a disaster. God knows how many people got robbed due to it.
908  Bitcoin / Development & Technical Discussion / Re: Sync your blockchain easily! on: January 23, 2021, 09:29:06 PM
FYI, bootstrapping the Bitcoin blockchain via torrent or download is not recommended anymore since 0.10.0:

As of Bitcoin Core version 0.10.0 and later, the block chain bootstrap
torrent hosted here takes more time to download and import than it would
to simply start Bitcoin Core and let it sync itself.

(also for any newcomers reading this: there have also been cases where bootstrap downloads were used to spread coin-stealing malware, so it's a practice that is generally advised against due to security concerns as well)
909  Economy / Economics / Re: Florida bank says it has closed Trump's accounts on: January 23, 2021, 08:29:56 PM
Answer to the first question: NO.  Answer to the second: yeah, probably.  Trump is a billionaire and has good relationships with lots of banks, and I don't think he's ever going to have a problem with money.  And this sounds like some banks are trying to distance themselves from Trump because of the violence at the Capitol--but memories are short, and those banks might very well reverse their positions in the future after things have cooled down.

Deutsche Bank was already trying to distance themselves from Trump in late 2020, the Capitol riots were just the nail in the coffin. Or, knowing Deutsche Bank, a welcome excuse to finally cut ties for good.

Generally speaking it's rather interesting to see how many companies are turning their backs on Trump now that he's not the president of the United States anymore. It's almost as if they either feared legislative retaliation or wanted to profit from his political capital...


Trump owes more than $100 million in debt to deutsch bank that he pays interest on.

If the APR on his loan is 1%. Its $1 million dollars. If the APR is 0.5% he owes $500,000.

How does he pay down the interest off a $200k year salary.

Also why are many making these uninformed impulsive comments without taking 5 seconds to do basic math needed to put things into perspective.

Not just more than $100 million, more than $300 million. And while fiat loans are cheap these days I wouldn't be sure about what rates Trump gets given his track record.
910  Economy / Economics / Re: Florida bank says it has closed Trump's accounts on: January 23, 2021, 01:58:44 PM
Even if Trump were to move in the direction of switching part of his business to some cryptocurrency, it certainly wouldn’t be Bitcoin or anything like that - unless his opinion of the same would change completely.

“I am not a fan of Bitcoin and other Cryptocurrencies, which are not money, and whose value is highly volatile and based on thin air,”

Also, did everyone forget all of a sudden that just a few weeks ago the Trump administration was trying to regulate non-custodial wallets on their way out?
https://bitcointalk.org/index.php?topic=5293390.0

This was not a crypto-friendly administration. Heck, it wasn't even an internet friendly administration, or did everyone forget about killing net neutrality as well?
911  Economy / Economics / Re: Florida bank says it has closed Trump's accounts on: January 23, 2021, 11:02:26 AM
Could Trump's 1st response be to seek out liquidity in cryptocurrencies. Or would he be more likely to simply seek out other banks to do business with?

I mean sure, but...

Quote
Deutsche Bank is seeking to resolve more than $300 million in loans, reportedly looking to offload the loans onto another lender due to the negative press their dealings with Trump has caused. Deutsche Bank's relationship with the Trump Organization is under a civil investigation by New York attorney general Letitia James.

...we're mostly talking liabilities here, rather than assets. How do you move USD 300MM of debt into a cryptocurrency? Sure, one could do an ICO where Trump's debt gets crowdsourced, but is that something that anyone would want?
912  Bitcoin / Bitcoin Technical Support / Re: How do you make a non-spendable balance accessible in blockchain? on: January 19, 2021, 06:07:24 PM
Non-spendable means that you imported an address without its private key. No private key, no access, no way to spend it.

Did somebody sell you a watch-only wallet?
913  Economy / Services / Re: [FULL] ChipMixer Signature Campaign | Sr Member+ on: January 18, 2021, 11:13:27 PM
I'm slightly disappointed it's now pegged to USD though. I was hoping we'd reach rediculously high amounts per post again if when Bitcoin goes up 10 fold again Tongue

Yeah, feels a bit like getting paid with monopoly money now after getting real cash for so long Wink

Not complaining though, Halab's not wrong about the bright side ¯\_(ツ)_/¯
914  Economy / Services / Re: [FULL] ChipMixer Signature Campaign | Sr Member+ on: January 18, 2021, 08:28:10 PM
I planned on posting something clever and funny but now I'm not being paid enough to think of something Tongue


Seriously tho, I mean we all saw it coming Smiley Honestly I was already impressed when ChipMixer stayed true to their BTC rate when the 2017 bull market hit. For reference, BTC was at around USD 3000,- when this campaign started, so CM rode it out until the fiat equivalent increased more than tenfold. *not_bad.jpg
915  Local / Anfänger und Hilfe / Re: Apps Wallets und Sicherheit bei Weiterverkauf on: January 15, 2021, 10:15:14 PM
In der Regel stellt da das Betriebssystem einen Zufallsgenerator zur Verfügung (zB. /dev/random) der dann auf Basis diverser Hard- und Software-Ereignisse die als Hintergrundrauschen dienen zufällige Werte erzeugt [1]. Dh. dieselbe Hardware wird nicht nach Löschung des alten Wallets zufällig das neue wieder generieren (falls doch liegt das Problem nicht am Gerät, sondern an einer fehlerhaften App wie im Beispiel von Chris601).

Ein bisschen skeptischer bin ich allerdings ob ein Factory Reset dein altes Wallet File auch wirklich zuverlässig löscht. Ich könnte mir schon vorstellen das jemand mit entsprechendem Vorwissen und etwas Glück alte Dateien -- und darunter auch dein Wallet -- wiederherstellen könnte.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/char/random.c?id=refs/tags/v3.15.6#n52
916  Economy / Economics / Re: Tech. Analysis vs. Value Investing vs. Growth Investing vs. Narrative Economy on: January 15, 2021, 09:42:44 AM
I was thinking about the same examples actually with the dotcom & South Sea Smiley yes, you are absolutely right that at those periods the reason for crashes was ultimately the narrative-based logic, but those were isolated examples within specific niches / companies / markets. But nowadays, in the past decade or so, it appears to me that this is very persistent and is now the only way to make alpha in the market. Thus, can't we mark it as investment/economic paradigm shift? As I mentioned above about my previous work experience (+ other value/growth/activist/etc. funds), and as mentioned change of global factors by Tytanowy Janusz above, it appears that this is the strategy for now.

I know that dotcom, US/Japanese/(now Chinese?) real estate markets started growing for a good reason, but ended up in the "narrative" area with the known results, but now this narrative-based logic appears to be literally in every area - from the American large caps, to Chinese small caps, Russian mid caps, cryptos, PE/VC, seed startups, DeFis, fixed-income, new tech, ... you can continue the list. Whoever is not part of the fancy "next great X" or "will change the world in Y" - is losing, whoever is in - is earning. And I believe the greatest evidence that it's not just a small market hype or craziness, but the "new normal" is again it's prolonged history of it for over a decade. Now is the only time when everyone around expects market(s) to crash, but it doesn't, while before everyone expected market to go on raising, and it eventually crashed.

Not sure who said that, but I read ones that "if everyone expects a certain thing to happen - it will not happen, when everyone isn't expecting that to happen - it eventually will", and this thing is again the market crash, which people predicted in 2010, 2012, 2013, 2014, 2015, 16, 17, 18, 19, 20, and now 21... Yet, all markets which are part of the great narrative continue to hit ATHs, and the short sellers (of Tesla, Bitcoin, Zoom, cannabis stocks, tech, solar energy, ESG, real estate EFTs, etc.) keep losing.

"Isolated examples" that crashed whole markets though! Also the examples you mentioned as narrative investment cases are pretty niche as well Wink

Honestly I think the main driver behind this extended bull market is a lack of alternatives for any aspiring investor. There's just nowhere to put your cash in except for stocks, crypto and maybe real estate. A decade ago the cautious investor could flee into bonds. They might have made less profit, but it would still have been profit. These days that's a losing proposition and there's nowhere to go but to charge forward. Essentially monetary policies have herded cash into arguably ever more overvalued assets -- which of course kinda loses its meaning once everything is overvalued.

I get that narrative investing can be highly profitable, but it's simply not sustainable, not if it's the only factor. And while investors seem to be more likely to "buy the dip" these days, as we've seen in March 2020, it will come down eventually. Regardless of that not being invested seems to remain a losing proposition -- After all "the markets can remain irrational longer than you can remain solvent".
917  Economy / Economics / Re: Tech. Analysis vs. Value Investing vs. Growth Investing vs. Narrative Economy on: January 14, 2021, 10:52:59 PM
I think the description of the historical eras hit the nail pretty much on the head, but with the 2010s onwards I'm not so sure.

While the label "narrative economy" (or rather "narrative investing") does make sense, generally speaking, I would not see it as part of economic evolution but rather as a short phase that usually precedes a bubble. Take the dotcom bubble for example. Sure, it may have started as an example of growth investing, but it ended up as investors telling themselves fantastic stories about the companies they are investing in. Or if you look further back in history, the South Sea bubble. Investors telling themselves fantastic stories about unimaginable riches across the pond. Even outside of bubbles you often see a bit of a narrative factor at play. That's why exciting stocks mostly come at a bit of a premium, regardless of growth potential.

Now I'm not saying that narrative investing had its play in every bubble -- both the US and Japanese housing crises had mostly other root causes -- but once investors turn to narratives rather than facts, by definition they are decoupling from reality. And while that may work for a little while, it's rarely a good sign.
918  Economy / Services / Re: [FULL] ChipMixer Signature Campaign | Sr Member+ | Up to 0.0375 BTC/w on: January 10, 2021, 10:49:25 PM
The President of Brazil salary (and also the supreme court)  is R$ 39.000
This is now 0.185 BTC per month

Cm pays 0.15, or R$32000 per month (A few more because a month has more than 4 weeks)

So a few less than the supreme court judges and the president. Maybe the same as a senator or something like

Well yes but these politicians don't really know anything about Bitcoin now, do they? Tongue
919  Economy / Economics / Re: This last rally Leg has been also bought by retail? on: January 10, 2021, 10:12:23 PM
So, institutional investors could have dumped their coins in retails for up to x4 profit, but didn't? This is good to know.

I believe most institutional investors are in it for long term gains, rather than swing trading, so it's not all that surprising that they didn't lock in their profits yet. It will be interesting to see what happens once the market gets really crazy though, ie. whether they weather the storm or shed some coins to alleviate the subsequent crash and crypto-winter.



Also, I'm a bit surprised that retail investors joined the really so quickly, I thought they would do it much later, although it makes sense, because it looks like this time the media is covering Bitcoin's rally much more eagerly than before. I read some general economic news sites, and they report Bitcoin news a few times per day, especially if there's a lot of price action.

Yeah, I've been noticing the same thing. Lots of small but steady mainstream coverage. Usually that only happened a few months after an ATH was breached, towards the end of the bull market. Now it's more present. Seems like people are keeping a closer eye on Bitcoin these days. Presumably they finally caught on that Bitcoin only comes back stronger after each "death".
920  Economy / Economics / Re: This last rally Leg has been also bought by retail? on: January 10, 2021, 04:27:12 PM
Does you know why Grayscale stop buying bitcoin?

Because of the holidays, presumably? Unlike us retail-coiners, businesses have business hours Smiley More interesting would be at which point they continue investing, assuming they haven't done so already.
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