08 - Addresses


  • Which of the following units is in use for Bitcoin payments?

    • Satoshi
  • In Bitcoin the block (mining) reward

    • WRONG is halved every 105.000 transactions
    • is right-shifted every 210.000
  • Transaction fee is

    • the difference between input and output

    • input is always higher than output

  • An account address is

    • a b58 encoding of pk hash with checksum and version
  • PoW


  • we digitally sign the coin with an algorithm called ECDSA (private and public key)
  • base58 is the same of base64 without the similar characters
    • like l and I, 0 or O



Proof of work is not consensus