How the security of a block is maintained?
Can the data stored in a block modified once it is written? If so, why?
What is 51% attack?
What are the different types of Blockchains?
What are private blockchains?
Why we need different consensus mechanisms?
So what is a smart contract?
What does gas usage in a transaction depend on?
What is dao implementation?
Tell us the principle behind blockchain technology and how many types of it are available?
Why blockchain is a trusted approach?
Why blockchain is trustworthy?
What are smart contracts in blockchain?
Which of the first distributed blockchain implementation?
What is a dao recordset?