Bitcoin is decentralised or centralised?
Decentralised
What does it mean that bitcoins are ‘decentralised’?
There’s no official central bank or entity that generates or transacts in bitcoins.
Bitcoin is centralised or decentralised?
Decentralised
All transactions require what sort of network?
Peer-to-peer
The input and output of a hash function are called…
Input: message
Output: digest (or tag, or hash)
The hash function is a … function.
deterministic
What are four basic properties required of a cryptographic hash function?
A good analogy to a hash function is a…
meat grinder