Can programmers crack bitcoin vulnerability
there are basically two kinds of attacks, one is dictionary attack, the other is brute force attack
dictionary attack is to use common passwords and their simple variants as keys one by one. As long as your pass phrase is not hard enough, the possibility of successful attack is very high. So if you want to use this, you need to popularize the knowledge of cryptography first, and don't think it's very safe to add a long password
if you don't use the wallet generated by pass phrase, you can only crack it violently, which is equivalent to enumerating all the possible keys. At present, this is impossible, even if the electronic computer is becoming more and more powerful. However, quantum computer can do it theoretically, but don't worry too much. If such a powerful quantum computer comes out, it will not only endanger bitcoin
at the same time, bitcoin has a second layer of protection: if an address only accepts bitcoin but does not output it, its public key is confidential, that is to say, no one else can see the box, only the box number. At present, the process of decing the box from the box number can't even be done by quantum computer. In other words, if there is a quantum computer, bitcoin has a last line of Defense: it's temporarily safe to transfer your money to a new address
finally, some time ago, the wallet generated by the Android client was attacked because of a bug in the underlying random number generator. In fact, this function is not random securerandom, which Google quickly admitted and fixed. It's hard to say whether this kind of thing will happen again, but I don't think we need to worry too much.
1. A stolen bitcoin can't be retrieved, and if it's lost, it's lost.
2. Bitcoin has transaction records, but the address is hidden, and you can't find an indivial.
3. Every bitcoin has a key, and only if you have this key can you be admitted to own bitcoin. However, if bitcoin is stolen or lost, your bitcoin will disappear completely
therefore, the theft of bitcoin does not belong to cracking, it may be e to internal personnel.
the physical examination and repair of the pioneer version of computer housekeeper are very fast. It can quickly remove Trojans and fix loopholes without a long wait and has no impact on the running speed of the computer.
the law does not prohibit the sale of virtual currency, so it can.
the general process is to use the computer's CPU and / or image processor to calculate bitcoin information
for Internet cafes and users, it will greatly rece computer resources:
program operation is very slow
crash
blue screen
and so on
This time the news can be said to have caused a hot discussion among netizens. After all, the price of bitcoin has exceeded 33000 dollars. At the beginning, a programmer threw away 7500 bitcoins as garbage. If converted, he has lost billions of yuan. Now let's talk about some stories behind bitcoin, and why bitcoin can soar. We can praise and pay attention to those we like{ Third, is bitcoin worth investing
now the price of bitcoin has exceeded US $33000, but in fact, bitcoin is definitely not worth it. This is all hyped up. In fact, we can find out from all kinds of evidence that bitcoin only appears overwhelming news when it rises. However, when it fell, bitcoin seemed to disappear and would not appear in our view
With more and more cases of bitcoin becoming rich, many people realize that the appreciation space behind bitcoin is very huge. Many people are annoyed that they didn't catch the train of becoming rich. Compared with the common legal currency in life, bitcoin is a virtual digital currency. Since its birth in January 2019, the price of bitcoin has increased from US $0.0025 to US $0.0025, After ten years of development, it has successfully broken through to US $31000, and the soaring momentum has not stopped{ RRRRR}
most of them come from bitcoin mined in the early stage of technology. Many people think that these bitcoins are worthless, and they are unwilling to spend time to save them, so they are graally forgotten by themselves, and even many people have long forgotten that they own bitcoin. It must be that those who lost them because they had no hope for bitcoin should regret it now, I can only comfort myself that I have no predestined relationship with sudden wealth