What hashing algorithm does bitcoin use to hash blocks?.
Answers
Bitcoin uses SHA-256 (Secure Hash Algorithm 256 bit) hashing algorithm to hash blocks. This is the same hashing algorithm used in the creation of SSL certificates and for verification of digital signatures.
What is hashing?Hashing is the process of converting data of any size to a smaller size, known as hash. The hash is a fixed size output which is unique for a specific input. Hashing helps to maintain the integrity of data and make it more secure. Once a hash is created, it is practically impossible to revert the data from the hash.How does SHA-256 work?SHA-256 is a cryptographic hashing algorithm which generates a fixed 256-bit hash output from any input message.
It is a one-way function, which means once the hash is created, it is impossible to retrieve the original data. It is a complex mathematical algorithm which involves a series of logical operations. The output hash generated by SHA-256 is unique for a specific input. Any minor change in the input results in a completely different hash output. SHA-256 is used in the creation of digital signatures, SSL certificates, and in the Bitcoin network for verification of blocks.
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Related Questions
WHICH OF THE FOLLOWING IS NOT AN EXAMPLE OF PII
1EDUCATION AND EMPLOYMENT HISTORY
2.YOUR BROWSING HISTORY FOR A HOTEL LOBBY COMPUTER WHICH DOESNT VERIFY YOUR IDENTITY ORROOM NUMBER
3WEBSITES COOKIES PLACED ON YOUR LAPTOP
4. GOVT IDENTIFIER SUCH AS TAX ID
Answers
The following is not an example of PII:2. Your browsing history for a hotel lobby computer which doesn't verify your identity or room number
The answer is option 2.
PII stands for Personal Identifiable Information. This type of data refers to information that can be used to distinguish or trace a person's identity, either alone or in conjunction with other data.
The following is an example of PII:
Education and employment history, websites cookies placed on your laptop, Govt identifier such as tax ID.
A browsing history for a hotel lobby computer that doesn't verify your identity or room number is not an example of PII because there is no information that identifies the person who used the computer. Therefore, it is not Personal Identifiable Information.
Hence, the answer is Option 2.
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Write a program in vb.net to generate the following o/p ~
\( \\ \\ \\ \\ \)
Thank You! :)
![Write a program in vb.net to generate the following o/p ~[tex] \\ \\ \\ \\ [/tex]Thank You! :)](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/JnjztPusTPXEDnIMoNndKiX5vcoIadBp.jpeg)
Answers
Answer:
Dim i As Double = 3.5
While i <= 8.5
If i Mod 1 = 0 Then
Console.WriteLine(i.ToString("N0"))
Else
Console.WriteLine(i.ToString())
End If
i += 0.5
End While
dhruv is the lead network engineer for his three-year-old company. he is writing a proposal that recommends the network protocol to use in several branch offices. based on the age of the networking equipment, what is his recommendation to the chief information officer (cio)?
Answers
Upgrading to IPv6 after Post Office Protocol (POP) and Simple Mail Transfer Protocol (SMTP) transitions are complete is correct! Maintain IPv4 Use IPX/SPX instead.
The Post Office Protocol allows a user client application to access a mailbox (maildrop) kept on a mail server across an Internet Protocol (IP) network. The protocol allows for message download and deletion operations. Post Office Protocol 3 clients establish a connection, retrieve all messages, save them on the client computer, and then delete them from the server. [2] The necessity for users with only transient Internet connections, like dial-up users, drove the creation of Post Office Protocol and associated operations. These users needed to be able to retrieve email when online and then read and edit the retrieved messages when they were offline.
Additionally, POP3 clients offer the choice to leave downloaded messages on the server.
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Which of these lines of code will increment a variable?
A.
print(variable)
B.
count(variable)
C.
inc(variable)
D.
variable = variable + 1
Answers
Answer:
D
Explanation:
Answer:
D.
Explanation:
I got it right on the test.
Which is best online C compiler?
Answers
It offers the greatest C++ compiler, and it's extremely simple to manage different versions of a single application.
What does a software compiler do?Compilers are specific software tools that convert the source code of one programming language into machine code, bytecode, or some other computer program. Usually, the original code is created in a high-level, understandable language for humans, such Java or C++.
Are compilers present on all computers?No. Operating systems do this frequently but not always. Not all computers, but the majority, come with an operating system. Some highly well-known operating systems (OSs) may not include compiler or interpreter for popular programming languages, although they may do so for less well-known but platform-specific languages.
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Question 2 (1 point)
The principle of design that relates to a harmonious arrangement of elements is
unity
pattern
balance
proportion
Answers
Answer:
The principle of design that relates to a harmonious arrangement of elements is "Unity".
help
pls need quickly
Answers
Answer:
Themes
Explanation:
In the slide thumbnail pane on the left, select a slide.On the Design tab, in the Themes group, click the More button (illustrated below) to open the entire gallery of themes:Point the mouse at the theme you want to apply. Right-click it, and then select Apply to All Slides.What genre do games that involve physical challenges and make use of hand-eye coordination, speed, accuracy, and precision fall into?
adventure
action
simulation
puzzle
Answers
Answer:
flexiblity
feedback
playin outdoor game
Answer:
I think simulation not 100% sure though.
what is an example of an innovative solution to an engineering problem?
Answers
Answer:8 of the Greatest Challenges Facing Engineering
The climate crisis. ...
Making water clean and accessible. ...
Providing enough food. ...
Personalised and relevant education. ...
Improving health care. ...
The refugee crisis. ...
Cyber security. ...
Enlisting the youth.
Explanation:This may or may not help
Mike decides to humiliate a former friend by posting embarrassing photos on social media Which ethical standard did he violate?
Answers
Answer:
The answer is "Human dignity "
Explanation:
It is the basic human nature, in which it is the recognition of the importance of humans, and it is inherent, and also that they deserve respect for just being humans, and the wrong choice can be defined as follows:
Property rights are the wrong choice because it is used to determine the use and possession of a resource or economic good. Confidentiality is also a wrong choice because it is a detail that provides verbally or in writing. The term civility also was wrong because it relates to politeness.Replacing several underutilized smaller servers with one large server using a virtualization technique is one of the ways that green computing can be achieved. True or False
Answers
Replacing several underutilized smaller servers with one large server
using a virtualization technique is True about green computing.
What is Green computing?
Green computing is defined as the use of computers and their resources
in an eco-friendly and environmentally responsible manner. This includes
the following:
Electronic and Paper Recycling activities.Use of Virtual TechnologiesThis is why the statement above is True about Green computing.
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List advantages of using files to provide input and output
Answers
The advantages of using files to provide input and output are: when you open an output file, the application normally creates the file on the disk and allows it to write data to it. When you open an input file, the software may read data from it.
PL/I input and output commands (such as READ, WRITE, GET, and PUT) allow you to transfer data between a computer's primary and auxiliary storage. A data set is a collection of data that exists outside of a program. Input refers to the transmission of data from a data set to a program.
A computer file is a computer resource that stores data in a computer storage device and is recognized largely by its file name. Data may be written to a computer file in the same way that words can be written on paper.
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A computer runs a round-robin process scheduler with system contention scope and for a while there are 4 CPU-intensive processes in the system, without doing any I/O operations. What is the percentage of the CPU utilization allocated to each process
Answers
In a round-robin process scheduler with system contention scope, if there are four CPU-intensive processes in the system without any I/O operations, each process would receive an equal percentage of the CPU utilization.
In a round-robin process scheduler with system contention scope, CPU utilization is divided equally among the processes. This means that each process receives an equal share of the CPU time. When there are four CPU-intensive processes in the system and no I/O operations are taking place, the CPU scheduler would allocate an equal percentage of CPU utilization to each process. This ensures fairness and prevents any single process from monopolizing the CPU resources.
As a result, each of the four CPU-intensive processes would receive 25% of the CPU utilization. This allocation is based on an equal time slice or quantum given to each process in a round-robin scheduling algorithm. By equally distributing the CPU time among the processes, the round-robin scheduler ensures that each process gets a fair opportunity to execute and progress, allowing for concurrent execution and efficient resource utilization.
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What is the scope of leftCharacter?
def rhyme(word):
leftCharacter = word[0]
if leftCharacter != 'd':
return 'd' + word[1:]
else:
return 'f' + word[1:]
def poem():
print("Enter Q to quit.")
userWord = input("Enter a word: ")
while userWord != 'Q' and userWord != 'q':
rhymeWord = rhyme(userWord)
print(rhymeWord)
userWord = input("Enter a word: ")
# the main part of your program that calls the function
poem()
the entire program
rhyme
poem
the main part of your program that calls the function
Answers
Answer:
Rhymeword
Explanation:
edge 2020
Answer:
The scope of leftCharacter is rhyme. I hope this helps you out. Have a wonderful and safe day. <3<3<3
Explanation:
Python does not allow if statements to occur within the definition of a function.
True
False
Every HTML document needs to begin with which of the following tags?
Answers
Answer:
1. Python does allow if statements to occur within the definition of a function.
2. Begins with <html> Ends with </html>
uppose we have the instruction lda 800. given memory as follows: what would be loaded into the ac if the addressing mode for the operating is immediate?
Answers
If the addressing mode for the LDA operation is immediate, then the value at memory location 800 will be loaded directly into the accumulator (AC). In this case, the value at memory location 800 is 20.
In the LDA instruction with immediate addressing mode, the operand is given directly in the instruction, instead of fetching it from a specified memory location. After the execution of the instruction, the accumulator (AC) will contain the value 20. Immediate addressing mode is useful when the operand is a constant value or a small amount of data that can be easily included in the instruction. This method saves time and memory, as the processor does not need to access a memory location to obtain the operand value, making it a more efficient way to execute certain instructions..
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diffreciate between primary source of information and secondary source of information
Answers
Answer:
Primary is firsthand, secondary is viewed through articles and other materials.
Explanation:
EX: Primary account of a story, secondary view through pictures.
what is the decimal value for the jump control?
Answers
Answer:
Is there suppose to be a pic?
Explanation:
Explain how principles of computer programming are applied in different languages to produce
software applications
Answers
Answer:
Principles of computer programming are applied in different languages to produce software applications is described below in detail.
Explanation:
The main types of programming languages are:
Functional Programming Language.Scripting Programming Language.Logic Programming Language.Procedural Programming Language.Object-oriented Programming Language.The programing language authorizes us to write dynamically programs and advance online explications such as- Games, web applications, and mobile applications, etc. Programming is employed to assemble, maintain, automate, measure, and interpret the processing of the data and knowledge.
Draw a circuit diagram For a circuit diagram for the for the electromagnet using you can Your circuit diagram must include the following: a cell a switch a bulb to show when it is on on electromagnet
Answers
Answer:
Hope it helps have a look
Answer:
Please refer to the above attachment for the circuit diagram.
as we age we tend to lose lean muscle mass, which is a condition known as what?
Answers
Sarcopenia is the medical term for the loss of lean muscle mass that occurs as we get older.
Age-related sarcopenia is a progressive decrease of muscle mass and function, which is more common in people over 50. In older adults, it plays a significant role in the emergence of frailty, disability, and low quality of life. Hormonal changes, ongoing inflammation, oxidative stress, sedentary behaviour, and poor nutrition are only a few of the causes of sarcopenia. Sarcopenia can be prevented and managed with regular physical exercise, particularly resistance training, and a sufficient protein diet. Sarcopenia can be slowed down and older persons' general physical function and quality of life improved by early detection and treatments.
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What are the first letters of each of the 3 main colors in javaScript? (seperate with commas)
Answers
Answer:
R, G, B
Explanation:
Red, Green, Blue
T/F,according to mcafee and brynjolfsson, the iphone would have been even more successful if apple had prevented third-party developers from writing apps for the device.
Answers
Answer:
False
Explanation:
According to McAfee and Brynjolfsson, the success of the iPhone was largely due to the fact that Apple allowed third-party developers to create apps for the device. This enabled the iPhone to become the most popular mobile platform, as the diversity of apps available allowed users to customize their phone experience and gave the iPhone a huge competitive advantage over other mobile platforms.
Read the sentence. Piles of discarded trash litter the cobblestones of the quaint brick alley. Which image best shows a visualization of this sentence? A cobblestone alley with garbage on the ground. A cobblestone alley with several garbage cans. A cobblestone alley with weeds growing in the cracks. A clean cobblestone alley.
Answers
Answer:
C
Explanation:
edge 2022
Answer:
C
Explanation:
just took the test besties :))
Probably the most useful combination, ________ allows a process to send one or more messages to a variety of destinations as quickly as possible.
Answers
The most useful combination that allows a process to send one or more messages to a variety of destinations as quickly as possible is multicast.
Multicast is a communication model where one sender can send messages to a group of receivers simultaneously. It is a method used to broadcast information or data from one point to several destinations in a network. This is particularly helpful in scenarios where sending messages to multiple users separately would be impractical, especially in video streaming, online gaming, and real-time messaging.Multicasting uses the User Datagram Protocol (UDP), which provides a faster and more efficient way of transmitting data in packets. It is particularly useful in large organizations or businesses where the same information needs to be shared with several employees or in real-time communication.
Multicast can also be used to reduce network traffic, as messages are transmitted only once and can be shared by several recipients.Multicast is widely used in the internet of things (IoT), streaming, and video conferencing. It is also useful in reducing bandwidth consumption and improving network performance. Overall, multicast has become a critical communication tool in the digital age, providing a fast, efficient, and reliable way of communicating with multiple users in a network
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write a program that lists all ways people can line up for a photo (all permutations of a list of strings). the program will read a list of one word names, then use a recursive function to create and output all possible orderings of those names separated by a comma, one ordering per line.
Answers
Sure, here's a Python program that does what you're asking for:
def permutations(names, prefix=""):
"""
Recursive function that generates all possible orderings of the names list.
"""
if len(names) == 0:
print(prefix[:-1]) # Remove the trailing comma and print the result
else:
for i in range(len(names)):
permutations(names[:i] + names[i+1:], prefix + names[i] + ",")
names = input("Enter the names separated by spaces: ").split()
permutations(names)
To run the program, simply copy and paste the code into a Python interpreter or a .py file and run it. The program will prompt you to enter a list of names separated by spaces, and will then output all possible orderings of those names separated by commas, with each ordering on a new line.
For example, if you enter "Alice Bob Charlie", the program will output:
Alice,Bob,Charlie
Alice,Charlie,Bob
Bob,Alice,Charlie
Bob,Charlie,Alice
Charlie,Alice,Bob
Charlie,Bob,Alice
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a modem is required for ________________ internet access.
Answers
on examining the source code you find a hidden routine that allows access to any account using the password wrtsglz, regardless of the normal password associated with that account. what kind of vulnerability have you uncovered?
Answers
A backdoor is when a hacker tries a number of different user credentials in an effort to guess the right ones.
Which phrase describes an attack that happens before the security industry learns about and patched a security flaw?A threat known as a zero-day attack aims to take advantage of a software application vulnerability before the vendor of the application learns of it and before the vulnerability is widely publicized by the internet security community.
How do you describe a program that was created to exploit a security flaw?A piece of code that exploits a software weakness or security fault is called an exploit. It is created either by malicious actors for use in their operations or by security researchers as a proof-of-concept threat.
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HELP I NEED THIS ASAP!!!!!!!
If you want to apply the same custom tab stops for a group of paragraphs that already exist, what should you do?
Select one paragraph, create its tab stops, then select the next paragraph and create its tab stops, and so on.
Delete the paragraphs, create the tab stops, and then retype the paragraphs.
Preselect all of the paragraphs and then apply tab stops.
Change the default tab stops for the entire document.
Answers
Answer:
Preselect all of the paragraphs and then apply tab stops.
Explanation:
Dharma opens one window, does a little work, closes the window, and then opens a new one. Instead of opening and closing windows, what can Dharma do to work more efficiently?
Group of answer choices
a. Point to the title bar of the open window, and then drag the window to a new location.
b. Point to a border or corner of the window, and then drag the resizing pointer to make the window smaller or larger.
c. Click the Minimize button to reduce the window to an icon on the taskbar, and then click the taskbar icon to redisplay the window.
d. Close all windows except one, and then click the Maximize button on the remaining window.
Answers
Instead of constantly opening and closing windows, Dharma could try using tabs in their web browser or document editor to keep multiple tasks open within one window.
They could also utilize keyboard shortcuts to switch between open windows more quickly. Another option would be to prioritize tasks and complete them in batches, rather than constantly switching back and forth between different windows. Additionally, taking breaks and practicing mindfulness techniques can help increase focus and productivity. Ultimately, finding a workflow that works best for their individual needs and preferences can greatly improve Dharma's efficiency.
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