Reading assignment: Hashing

Blockchain and Bitcoin 101
#4639
  1. sha 256
  2. because it’s impossible to know what was the starting point and thus solving is a bit of a lottery as there are so many possible outcomes.
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#4640

Irreversible SHA-256

Too many attempts required

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#4641
  1. What is the hashing algorithm called used in Bitcoin?

Sha-256

  1. Why is this hashing algorithm really hard (almost impossible) to brute-force?

Because it is a only one way function that cannot be reconstructed to the original data once it has been executed.

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#4642
  1. SHA-256
  2. The algorithm is hard to brute force because there is a specified hash rate that needs to be achieved to maintain a predictable supply of bitcoin. The mining of Bitcoin can be difficult depending on the active number of miners participating to generate new blocks.
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#4643

1. What is the hashing algorithm called used in Bitcoin?
SHA-256 developed by the NSA

2. Why is this hashing algorithm really hard (almost impossible) to brute-force?
It is a one-way algorithm that doesn’t allow you to reverse engineer the function based on the results.

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#4644

1.SHA-256
2.the mechanism is made for a one way solution.

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#4645

What is the hashing algorithm called used in Bitcoin?
Bitcoin Hash Algorithm SHA256

Why is this hashing algorithm really hard (almost impossible) to brute-force?
Because each input has it is own unique hash.

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#4646

1.) The hashing algorithm used in Bitcoin is called SHA-256.

2.) The hashing algorithm is near impossible to brute-force because hash algorithms because there are simply too many possibilities and there can literally only be one possible answer.

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#4647

1.SHA-256

2.Brute force is possible but this hashing algorithms computational possibilities are endless(almost impossible).

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#4648
  1. SHA-256
  2. the one-way mechanism is based on 256 bits, this also cannot be reversed to calculate the raw data
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#4649

  1. SHA-256

  2. There are too many possibilities and the amount of computation needed makes it impossible to bruteforce it

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#4650
  1. It is called “SHA-256”.
  2. Because once the output is generated, it is impossible to come back to “original ingredients”.
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#4651
  1. SHA-256, created by the NSA.
  2. The same input would create the same hash but it’s a one-way mechanism. The input can’t be known based on the output and the chance you use the exact same input is close to zero.
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#4652

  1. SHA-256

  2. The number of possibilities (2^256) is so large that it is almost impossible to get the same.

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#4653
  1. What is the hashing algorithm called used in Bitcoin?
    A: SHA-256
  2. Why is this hashing algorithm really hard (almost impossible) to brute-force?
    A: Because the algorithm is one-way, impossible to solve for the original input from the output, and the computational power needed to solve one block by brute force isn’t possible to do within a short period of time and nearly infinite possible outputs to guess.
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#4654
  1. What is the hashing algorithm called used in Bitcoin?

Sha 256

  1. Why is this hashing algorithm really hard (almost impossible) to brute-force?

Because there are way too many possibilities. You would have to guess the input by knowing the output, which is close to impossible.

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#4655

  1. What is the hashing algorithm called used in Bitcoin?
    SHA-256

  2. Why is this hashing algorithm really hard (almost impossible) to brute-force? because no matter the input is, the output will always have a fixed 256-bits length…

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#4656
  1. What is the hashing algorithm called used in Bitcoin?
    SHA-256 algorithm
  2. Why is this hashing algorithm really hard (almost impossible) to brute-force?
    Because it takes a lot of computer power and resources. To find a collision you need to do approximately 2^128 computations which is a really large number and would take forever.
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#4657

  1. is the SHA-256,

  2. because once the functions is on and the output is give, you can not go back.

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#4658

1- What is the hashing algorithm called used in Bitcoin?

sha-256

2- Why is this hashing algorithm really hard (almost impossible) to brute-force?

Because the difficulty is increaseing and automatically adjusting to the amount of miners. This means the hash rate (need for computational power) is changing when trying to brute force.

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