Podcast
Questions and Answers
What vulnerabilities were exploited in the attack on The DAO in June 2016?
What vulnerabilities were exploited in the attack on The DAO in June 2016?
- SQL injections
- Buffer overflows
- Cross-site scripting
- Recursive calls (correct)
What was the value of the Ether gained by the user who attacked The DAO?
What was the value of the Ether gained by the user who attacked The DAO?
- $25 million
- $100 million
- $50 million (correct)
- $10 million
What was the holding period for the funds put into an account after The DAO attack?
What was the holding period for the funds put into an account after The DAO attack?
- 14 days
- 7 days
- 28 days (correct)
- 60 days
Which type of system is discussed for applications with blockchain in the provided text?
Which type of system is discussed for applications with blockchain in the provided text?
How do participants enter the lottery in a decentralized way according to the text?
How do participants enter the lottery in a decentralized way according to the text?
What is the purpose of transparent bidding in the context of auctions?
What is the purpose of transparent bidding in the context of auctions?
What is the first step in setting up a voting system using blockchain technology?
What is the first step in setting up a voting system using blockchain technology?
How does automating bid validation benefit auction processes?
How does automating bid validation benefit auction processes?
What is a key advantage of using smart contracts in auctions?
What is a key advantage of using smart contracts in auctions?
How does blockchain voting ensure transparency and authenticity?
How does blockchain voting ensure transparency and authenticity?
What is the role of decentralized validation in a blockchain-based voting system?
What is the role of decentralized validation in a blockchain-based voting system?
Why is immediate transaction settlement beneficial in auctions?
Why is immediate transaction settlement beneficial in auctions?
In a blockchain voting system, what does tokenizing voting rights mean?
In a blockchain voting system, what does tokenizing voting rights mean?
What role does blockchain consensus play in creating a trustless environment in auctions?
What role does blockchain consensus play in creating a trustless environment in auctions?
Why is record keeping on the blockchain important in a voting system?
Why is record keeping on the blockchain important in a voting system?
What is the purpose of utilizing blockchain's pseudorandomness in lotteries?
What is the purpose of utilizing blockchain's pseudorandomness in lotteries?
How does recording lottery transactions on the blockchain help with auditability?
How does recording lottery transactions on the blockchain help with auditability?
What benefit do smart contracts bring to auctions?
What benefit do smart contracts bring to auctions?
How does blockchain technology help establish a trustless environment in lotteries?
How does blockchain technology help establish a trustless environment in lotteries?
What does tokenizing auction items using blockchain tokens represent?
What does tokenizing auction items using blockchain tokens represent?
How are refunds handled if the funding goal is not met in a campaign?
How are refunds handled if the funding goal is not met in a campaign?
What function do users call to join the DAO and become members with voting power?
What function do users call to join the DAO and become members with voting power?
How can members express support or opposition to proposals in the DAO?
How can members express support or opposition to proposals in the DAO?
What happens if a proposal in the DAO receives enough support?
What happens if a proposal in the DAO receives enough support?
What is one of the functions of emitted events in the DAO process?
What is one of the functions of emitted events in the DAO process?
What is the main feature of Ethereum that allows smart contracts to run on a decentralized blockchain?
What is the main feature of Ethereum that allows smart contracts to run on a decentralized blockchain?
In a crowdfunding smart contract on Ethereum, what happens if the total funding reaches the goal set?
In a crowdfunding smart contract on Ethereum, what happens if the total funding reaches the goal set?
Which feature of smart contracts in Ethereum ensures that transactions run exactly as programmed without interference?
Which feature of smart contracts in Ethereum ensures that transactions run exactly as programmed without interference?
What happens to a crowdfunding smart contract in Ethereum if the deadline is reached and the funding goal is not met?
What happens to a crowdfunding smart contract in Ethereum if the deadline is reached and the funding goal is not met?
Why are smart contracts in Ethereum considered to be resistant to downtime and third-party interference?
Why are smart contracts in Ethereum considered to be resistant to downtime and third-party interference?
What is the main method by which PoW achieves consensus?
What is the main method by which PoW achieves consensus?
How is consensus achieved in a PoS system?
How is consensus achieved in a PoS system?
What is required for a successful 51% attack in a PoW system?
What is required for a successful 51% attack in a PoW system?
How does the difficulty level change in PoW over time?
How does the difficulty level change in PoW over time?
What factor influences the selection process of validators in PoS systems?
What factor influences the selection process of validators in PoS systems?
What is essential for a successful 51% attack in a PoS system?
What is essential for a successful 51% attack in a PoS system?
In PoW, what does a miner need to do to add a new block to the blockchain?
In PoW, what does a miner need to do to add a new block to the blockchain?
How do validators in PoS take turns proposing and validating blocks?
How do validators in PoS take turns proposing and validating blocks?
What is required for a successful 51% attack in a PoW system?
What is required for a successful 51% attack in a PoW system?
What does a 51% attack involve in a PoS system?
What does a 51% attack involve in a PoS system?
