What consensus mechanism is used in the Rinkeby Test Network?

What is a Bitcoin Faucet?

How are events defined in a smart contract?

How are blocks linked in a blockchain?

What is a token in terms of Blockchain terminology?

What are extended private keys?

Which of the following are used to determine the address of an Ethereum contract?

What is Wallet Import Format (WIF)?

What is a Block Reward?

What is the output of the following Solidity program?

pragma solidity ^0.6.1;

contract FirstContract {
function getResult() public view returns(uint) {
uint one_var = 0; // local variable
uint two_var = 0;
uint result = one_var + two_var;
return result;
}
}