| Term | Description |
|---|---|
| Network | Set of Pravda nodes connected via internet. |
| Node | A software that manage Pravda blockchain and executes programs. |
| Mainnet | A stable network. |
| Testnet | Clone of mainnet which resets every week. |
| Stored program | The program represented in Pravda bytecode, which has an unique address and can be called by it. |
| Sealed program | The stored program which is not modifiable. The owner of a program can modify it if the program is not sealed (i.e. immutable). The owner of a program can make it sealed, but he can't make a sealed program modifiable again. |