08 - Addresses

Wooclap

• 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

Signing

• 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

PoW

Important

Proof of work is not consensus