0.2 Internet Computer terminology Flashcards
How do sub nets communicate with each other?
Through chain key cryptography
Can actors alter the state of other cannisters?
They can alter the state of their own canister but can only alter other actors indirectly through messaging
What is an actor?
A process within an encapsulated state (canister)
They can communicate asynchronously
What is an agent?
A library that calls the ICP interface.
An intermediary that handles the process of calling other canisters either through an API or through the front end e.g. java script
What are certified variables
Secure variables that are tamper proof
Data that is stored by the canister in the subnet during update or inter-canister calls
What is XDR?
XDR is not a currency but represent a claim to a currency.
Who defines and maintains XDR?
The International Monetary Fund (IMF)
What is a decentralized application (dapp)
A canister or several communicating canisters that provide a program or service on the internet computer
What is Wasm?
WebAssembly. It carries out executions
What are messages?
Data sent from either canister- canister or from users- canisters
What is a replica?
A collection of protocol components necessary for a node to join in a sub net
What is a transaction?
Transfer of ICP from one account to another it can be regular, minting or burning
What are the three canister types?
Backend
Frontend
Custom
What is a canister account?
A ledger account owned by a canister
What is a canister identifier?
A globally unique identifier for a canister that can be used to interact with it
