A blockchain is best described as:

  1. A central database owned by one bank
  2. A type of computer virus
  3. A wireless sensor
  4. A distributed ledger where each block is linked to the previous one by a cryptographic hash
Answer

D) A distributed ledger where each block is linked to the previous one by a cryptographic hash

Changing one block changes its hash and breaks the chain, so records are tamper-evident. SLO CS-11-E-01 · Knowledge

Computer Science MCQ · More Unit 5: Application of Computer Science MCQs · Practise