CCI Smart Contracts and DeFi Investigations

Question 1

What is a smart contract in the context of blockchain technology?

Accepted Answer

Self-executing code deployed on a blockchain that automatically enforces agreement terms

Answer

A legal document stored on a blockchain

Answer

A cryptocurrency exchange service agreement

Answer

A digital signature on a financial contract

Question 2

Which blockchain platform is most commonly associated with smart contract functionality central to DeFi investigations?

Accepted Answer

Ethereum

Answer

Bitcoin

Answer

Litecoin

Answer

Dogecoin

Question 3

What does the ERC-20 standard define in the Ethereum ecosystem?

Accepted Answer

A technical standard for fungible tokens on Ethereum

Answer

A standard for non-fungible tokens

Answer

A protocol for cross-chain transfers

Answer

Ethereum's consensus algorithm

Question 4

In DeFi, what does TVL (Total Value Locked) measure?

Accepted Answer

The total value of assets deposited in a DeFi protocol's smart contracts

Answer

The total number of transactions on a DeFi platform

Answer

The total trading volume in a 24-hour period

Answer

The total number of token holders

Question 5

What is a 'rug pull' in the context of DeFi fraud?

Accepted Answer

When developers abandon a project and abscond with investor funds

Answer

A technical exploit that drains smart contract funds via code vulnerability

Answer

A market manipulation tactic using wash trading to inflate volume

Answer

A type of front-running attack on DEX transactions

Question 6

What is a flash loan attack in DeFi?

Accepted Answer

An exploit using uncollateralized loans taken and repaid within a single transaction to manipulate protocols

Answer

A rapid brute-force attack on private keys

Answer

A phishing attack targeting DeFi wallet users

Answer

A distributed denial-of-service attack on blockchain nodes

Question 7

Which tool is commonly used by investigators to analyze Ethereum smart contract source code, transactions, and token transfers?

Accepted Answer

Etherscan

Answer

Wireshark

Answer

Nessus

Answer

Splunk