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981  Bitcoin / Bitcoin Discussion / Re: Interesting behaivor of TESTNET difficulty on: September 14, 2023, 06:45:08 AM
But something change in the difficult of testnet in the last hours, somebody is mining like 5 blocks per second, so if someone wants to learn how to mining they can try Testnet on this momment.

I don't see what's strange about that, as there is no return from testnet mining. There is rarely competition for block mining, and thus one miner with good hardware can mine several blocks after each other.
testnet will not teach you or enable you to understand Bitcoin mining because of the difference between many things between these two networks, but it is good in development and the evidence for this is its role in the CVE-2018–17144 double spending vulnerability.

https://bitcoinops.org/en/topics/cve-2018-17144/#:~:text=CVE-2018-17144%20was%20a,included%20in%20Bitcoin%20Core%200.14

Quote
the bug was exploited on Bitcoin testnet, causing any nodes still running Bitcoin Core 0.14.x to crash and nodes running 0.15.0 to 0.16.2 to accept a transaction that spent the same funds more than once. When testnet miners managed to produce a valid chain with more proof-of-work than the invalid chain, those non-upgraded nodes attempted to switch to the new chain but were unable to fully un-spend a double-spent input.
982  Bitcoin / Hardware wallets / Re: Ledger Donjon's (Unsuccessful) Double Laser Fault Injection on Coldcard MK4 on: September 14, 2023, 06:19:55 AM
I didn't get the impression that they weren't targeting sensitive information like the seed, private keys, or the PIN. What else would they be looking for?
They targeted this data but the PIN is stored in SE2 and seed decryption depends on SE2 and MCU.

The second one and the MCU weren't submitted to the laser. I guess they were only interested in the security of the DS28C36, not the rest. The Coldcard MK4 is the only hardware wallet that uses this chip I think.


Your guess is correct. After searching a little, I found that it is related to this story https://blog.ledger.com/coldcard-pin-code/. It seems that they want to test it compared to ATECC508A, they want to say that MK4 is safer than MK2.

The cost of these devices is more than $200,000 and they require a specialized team. I think they may be used after the permission of the wallet owner if he forgets the PIN.
 
983  Bitcoin / Bitcoin Discussion / Re: Bitcoin in your country. on: September 13, 2023, 02:14:05 PM
There is no restrictions on owning, buying, trading and investing in cryptocurrencies in my country.
The law recognizes it as a payment method that is not linked to the local currency.
payment services and exchange service providers have some additional restrictions related to regulating money laundering rules and are prohibited from providing services without a license.

There is a website that will answer all your questions.
https://www.japaneselawtranslation.go.jp/en/laws/view/3078/en#:~:text=Article%201The%20purpose%20of,the%20clearing%20of%20exchange%20transactions
984  Bitcoin / Bitcoin Discussion / Re: Keeping or recovering seed phrases during or after a natural disaster. on: September 13, 2023, 01:48:34 PM
These natural disasters and artificial humanitarian crises such as wars will give companies like Ledger Recover more demand. As I said in the past, this service will find demand due to either people’s lack of interest in being your own bank or their lack of trust and fear of losing the private key.
I do not recommend this service or any similar service here, but the risk assessment strategy requires you to be prepared if anything happens.

I made this topic when 2023 Turkey–Syria earthquake happen Is Metal Seed Storage Safe in an Earthquake?
985  Bitcoin / Hardware wallets / Re: Ledger Donjon's (Unsuccessful) Double Laser Fault Injection on Coldcard MK4 on: September 13, 2023, 01:28:48 PM
From what I understand, the test was not for the possibility of extracting the private key from COLDCARD Mk4 because that was clearly stated, as after the private key is generated encrypted, then stored in SE1 using a 256-bit key determined by a SE1, SE2 and the main microcontroller.

above test was SE1 and showed that data could be leaked (the private key is encrypted there). However, the ability to identify the private key failed. They verified that the wallet was working properly, but I did not find tests on SE1, SE2, and the main processor (MCU) at the same time.


Source https://blog.coinkite.com/understanding-mk4-security-model/

Frankly, it is a good thing, but I will not trust any company if I lose my HW wallet, and anyone must withdraw directly as soon as discover that HW has been stolen or disappeared.
986  Bitcoin / Wallet software / Re: [100 dots] seed phrase backup on: September 13, 2023, 01:05:32 PM
https://jlopp.github.io give it a good review  https://jlopp.github.io/metal-bitcoin-storage-reviews/reviews/attenuo/ with Crush, Corrosion, Heat Tests You must be careful in choosing the thickness so that the hammer can make a clear impact and at the same time be very deep to appear in case of shocks like this.


My eyesight is not good so I like the Steel Washer. It takes up less space, can be easily hidden, and gets the job done.


987  Bitcoin / Bitcoin Discussion / Re: percentage of your income you dollar cost average in bitcoin on: September 13, 2023, 12:34:07 PM
These are the longest synonyms of terms I have read in a while, and I do not think that the average-income person has clear investment methodologies with the accelerating economic changes. A simple rule: whenever I have additional income, I invest in Bitcoin, gold, and stocks, while trying to limit my investment in Bitcoin to a thousand dollars per month. It may decrease or increase, but the average is always like this, and perhaps after we witness the new ATH, this amount may decrease to 500 due to the bearish approach of the price of Bitcoin in that period, and then the other 500 dollars will be transferred to gold or stocks. The end of the strategy will be to collect 200k to 400k and then I can think about buying a good apartment.
988  Economy / Economics / Re: Economics 101. Stagflation. on: September 13, 2023, 11:56:50 AM
expanded economy is one of the things that should be judged on one thing. The economy is interconnected and linked to each other. We have economic sanctions that make concepts such as globalization and economic integration difficult. Therefore, it is difficult to say that the cause of stagflation is one cause, and there are factors, and each factor will affect them. .

The government's experiments in combating inflation by raising interest rates address a certain type of inflation, but the inflation that occurs is caused by different factors. treating inflation by simply raising interest rates and continuing with policies of raising interest led to the occurrence of stagflation. Instead of being a temporary stagnation, it became an increase in product prices due to fluctuating energy prices, problems. All supply chains lead to this result. The beginning of the reform will be after stopping raising interest rates.
989  Economy / Trading Discussion / Re: KYC matter? on: September 13, 2023, 11:01:24 AM
As you have noted, no one will prevent you from depositing because of inability to complete kyc. They will allow you deposit, but withdrawal will be the problem.

Some exchanges are even dubious such that they will increase the difficulty of the KYC when they notice you have already deposited. This is an attempt to confiscate your fund. So, it is advisable to complete KYC before using an exchange.
If they do not ask for KYC when depositing, then they are scammers. All services that request KYC do not deal with the user financially without knowing or confirming his data, and cannot deposit without that.

what happens is exchanges do not ask for KYC because there is not a global regulation and when the became big they change terms of use change, so all Whoever deposits using old addresses that he used will fall into this problem, and sometimes even after this happens, good platforms provide the option to withdraw without being able to perform any other action like trading. I repeat, if they do not ask for identity verification when depositing, they are scammers.
990  Other / Archival / Re: 🌀 [banned mixer] - CoinJoin Mixer | Your Anonymity Is Our Priority! on: September 13, 2023, 10:53:27 AM
Hey @UniJoin Are there any plans to provide APIs to developers or any plans to release Electrum plugin?
Yes, it is on our roadmap to offer an API for UniJoin, so that shops and services can implement our service into their site.

Also, we want to create a system, which will be used to pay for a service who are requesting an exact amount.
Hey @UniJoin

Is there any update about this or if it will be implemented within this year? Excited to try API Mixer.
I want to know whether you have any future ideas for providing a private key or private code that can be used to withdraw from unijoin mixer. I can send coins at any time, and instead of withdrawing it after certain hours, I can withdraw it using a private code at any time and use it to make anonymous deposits or any similar ideas?
991  Local / 日本語 (Japanese) / Re: Siriusnet は、Web2 ゲームと Web3 ゲームの間の次元間ブリッジを使用してゲーム業஺ on: September 12, 2023, 12:56:06 PM
個人的には、WEB3 業界がこれらの機能を実装する可能性は低いと考えていますが、依然として Web3 であると主張しています。 Web3 にはユーザーとインターネット間の対話が含まれており、これは機密技術、高速インターネット、分散型支払いオプションの開発を意味します。 売買できる通貨であるかのように試すのは間違いです。
992  Economy / Service Discussion / Re: where can I make a loan with collateral with small interest on: September 12, 2023, 12:49:33 PM
I need a suggestion where I can get a USDT or BTC loan where I can use a physical collateral such as a vehicle or a gadget. Can you suggest where I can do this?
With minimal fee or interest if possible. Prolly along term loan.
It is a risk to request a bitcoin loan at these times, the price of bitcoin is likely to rise and you may end up paying more money in paying this loan, and a USDT loan cannot be obtained for physical things because it requires more guarantees you can only sell or mortgage physical things That you have, convert it into encrypted currencies and search for a loan using these encrypted currencies, but I advise you to buy bitcoin at the end of the year and wait for 6 months, the price may be doubled easily.
993  Alternate cryptocurrencies / Service Discussion (Altcoins) / Re: Cheapest way to withdraw my money from Coinbase on: September 12, 2023, 12:15:00 PM
There are two something that you need to make sure of them:

  • Withdrawal fees from Coinbase
  • If the withdrawn cryptocurrency is supported in other CEXs/DEXs or you have a wallet supports it.

https://help.coinbase.com/en/commerce/getting-started/withdrawals gives you the cheapest withdrawal fees from Coinbase, then you will make sure whether this cryptocurrency applies to the second condition or not.
994  Bitcoin / Bitcoin Discussion / Re: Smart contracts on Bitcoin...Are they worth it? on: September 12, 2023, 12:00:39 PM
You cannot prevent anyone from abusing the use of the space available in the blockchain, but given that this space is driven and not free, I do not think that Bitcoin sidechain will be just as cheap as in Ethereum, all enthusiasm for these projects is a waste of time unless the fees are much cheaper than the Ethereum, which may not happen soon .
This reminds me of OMNI layer, which has become most of wallets does not support USDT OMNI layer.
995  Economy / Trading Discussion / Re: FTX Claim deadline Sept 29 2023 on: September 12, 2023, 11:19:18 AM
Does anyone know what this means? I would KYC if I knew 100% I would get back at least 50% of my funds. If in 5 years, all I get is 10% then they can just keep it and not going to bother with this.
This means that you can reach your account and know your balance to verify this without sending any personal data, you can via email, password and 2FA to reach your account and know the amount required after that if the amount deserves to try to recover it, you will complete the verification of the identity, but if there is no balance or Zero balance you can leave.
It is a way to reduce the number of unwanted requests and I think that many who have less than $ 100 will ignore the completion of all these procedures.


of which they will probably record 20% in their books as "operating costs". So in reality they will probably recover $1.6 billion of $9 billion, or about 17%. So I wouldn't count on more than that, and 50% seems unrealistic to me.
US and Japan are lucky the process of claiming will be faster and about 20% of the assets or more. The problem with international users.
996  Economy / Scam Accusations / Re: Hello, get ready for big scandals on: September 12, 2023, 09:33:39 AM
This forum primarily focuses on discussions about Bitcoin and other cryptocurrencies. I doubt that many people here are particularly interested in some stock exchange and what is happening there.
Well I sure as hell would be--but this would not be the correct section for it (Economics would be my first thought), and I seriously doubt a brand new member is going to be dropping a bomb about a legitimate stock exchange on a forum about bitcoin.  Scandals just aren't revealed that way.  If anyone's got enough poop on a big enough organization such that it'd be newsworthy, they'd go to the press.

But hey, lookin' forward to all the juiciness OP promises to post (lol).
You are right, the time has not come yet, but when the day comes, I will explain everything and this will be reflected in the press.

If this data contains any personal information or leads to revealing the identity of people, you will need to post it in the investigation board (it only appears to Fullmember+) board link https://bitcointalk.org/index.php?board=227.0
Can you add a little data such as the stock exchange name or how we can verify the correctness of what you say or why bitcointalk and not twitter ot reddit.
997  Other / Beginners & Help / Re: Is it too late to seek a new beginning? on: September 12, 2023, 09:18:05 AM
I do not know what you mean with a new start, the beginning of learning, the beginning of money, or the beginning of why, the new beginning is always for a person who has lost something in the past and you have not lost only time, but you have enough time to collect more bitcoin before the end of next year, which may be the beginning of high prices .
Learning is not associated with age or price. Even if you are 70 years old you will learn, but you have to expand from your perspective in Bitcoin and the forum, it is more than a place to win money or free aridrop rewards.
998  Other / Beginners & Help / Re: ColorSEED Or how to simply hide your seed phrase on: September 12, 2023, 09:05:24 AM
But you will keep the names of the words of words digitally, and here you will risk, as the hackers can guess that they are wallet seeds or choose a color far from each other so that their output can be distinguished, but I do not think that is possible.
I tried to extract the colors from the image I attached and see what I found.




999  Economy / Trading Discussion / Re: If they have the ability why would they sell? on: September 11, 2023, 03:43:21 PM
Instead of relying on random crypto signal groups, they may be a group of scammers or fools looking for a quick profit, why don't you and your friends organize a paid event here where you and your friends look for people who are good at analysis and ask them to join the group in exchange for a monthly return, or create a topic here that is open to everyone .you will guarantee that you will not be scamed and you will determine if the person is an expert from his previous posts.
It is true that this service may cost you some money, but it is better than random crypto signal groups on Telegram, although I see that all of these groups are closer to scam than reality.
1000  Bitcoin / Wallet software / Re: Using Instant Exchange on: September 11, 2023, 03:29:09 PM
In addition to what was mentioned, Blockchain analysis does not depend on information received from the Blockchain, but rather runs full nodes, cooperates with closed-source wallets, exchnages, block explorers, and some mixing services can be tracked as it relies on the principle of dividing and delaying the arrival of currencies, which makes tracking process difficult, but Doesn't make it impossible.

Using a full node via Tor, Monero, splitting output across multiple addresses, delaying the withdrawal time, and stopping using block explorers are all things that enhance your privacy.
 
What I would like to say is that you make it difficult to be tracked, but that does not make it impossible, but it is an effort that rarely happens to a regular account.
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