Practice Quiz

Bitcoin - Question List

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56. After approximately how many years is the reward for mining a block of bitcoins halved?
  1. 1 year.
  2. 2 years.
  3. 4 years.
  4. 6 years.
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57. Which of the following types of cryptography does Bitcoin use?
  1. One time pad.
  2. Stenography.
  3. Symmetric cipher.
  4. Public key cryptography.
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58. Which of the following hash algorithms does Bitcoin use?
  1. SHA-224
  2. SHA-256
  3. SHA-382
  4. SHA-512
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59. Which of the following types of mining hardware is capable of 3,000,000 Mhashes per second?
  1. HashFast Sierra - Second Batch.
  2. KnC Neptune.
  3. CoinTerra TerraMiner IV.
  4. Black Arrow Prospero X-3.
See answer
60. This mining hardware will debut in February 2014 with a price tag of more than $22,000.
  1. BitForce 500 GH/s Mini Rig SC.
  2. Xtreme Miners The “Lion.”
  3. TerraHash DX Large.
  4. Black Arrow Prospero X-3.
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