Reading assignment: Hashing

Blockchain and Bitcoin 101
#1147

SHA-256

Because the the time it would take to do so would be impractical. This is because the K in the K|X is randomly generated too.

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#1148

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

  2. Why is this hashing algorithm really hard (almost impossible) to brute-force?
    It takes so long to break that you would die trying. Increasing processing power is also not a good idea…you will go broke buying and maintaining equipment trying to break that 256 hash…It real hard money!

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#1149
  • What is the hashing algorithm called used in Bitcoin?
    • SHA-256
  • Why is this hashing algorithm really hard (almost impossible) to brute-force?
    • It will take multiple lifetimes to complete the brute force method of unlocking the hashed value.
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#1150

1.SHA 256
2.it will take too long to break it no longer matter.

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#1151

  1. SHA-256

  2. Because statistics of that happening (guessing the hash) is infinitesimal

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#1152

  1. sha-256

  2. The output is so large that bruteforcing the original input is simply not practical as it requires an enormous amount of time and computational energy.

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#1153

The hashing algorithm in Bitcoin is called SHA- 256

The hashing algorithm is almost impossible to brute-force because you have to find the original input but guessing random values hash it then compare that output with the target hash. Then repeat many many times. Only the absolute number of possibilities (2^256) makes it almost impossible.

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#1154

A1. SHA-256

A2. A SHA-256 key has 2^256 different possibilities and although it is possible to “crack” it, it would most likely take too long and I presume timeout the transaction.

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#1155

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

  2. Why is this hashing algorithm really hard (almost impossible) to brute-force?
    It would typically take more that a lifetime to find via brute-force the original value from a hash output of SHA-256 because the sheer number of possible input values is so huge.

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#1156

What is the hash algorithm used in Bitcoin called?

Hash 256 algorithm.

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

The generated length input can be large or small but always the length output will be 256 so it becomes unfeasible to obtain a brute force result.

#1157
  1. Bitcoin uses Secure Hashing Algorithm 256.
  2. The chances of finding a match between the original input and the target hash would take too long to complete.
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#1158
  1. SHA 256
  2. There are too many possibilities to use brute force. It would take a lifetime to complete.
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#1159

1.) shaw 256
2.) Under shaw 256 the number of times taken to break into the code is infinately more than it would take to find a set value.

#1160

  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? The number of permutations for brute-force attack would extend so far into the future that the attack would no longer be relevant.

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#1161
  1. SHA-256

2.It would require an astronomically high average number of tries to break the code

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#1162

1, SHA 256
2. Because it cant be calculated it has to be guessed by computer on average 2^128 times to check the results if they match output

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#1163

the possibilities of a brute force would be too many and take too long to compute for today’s standards.

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#1164

The hashing algorithm used in Bitcoin is
Sha256 (Secure Hash Algorithm 256)

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#1165

thanks. :guiño: :guiño:

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#1166

Reading Assignment: Hashing

What is the hasHing algorithm called used in bitcoin?

  1. The hashing algorithm used by bitcoin is called SHA-256.

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

2.It is very difficult to find the input function based on the output data because with such a large output of 256-bits length, to find the input through the output would take too long of a time, which makes it almost impossible.

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