What is a 51% attack and how to prevent it?
What type of records can be kept in a blockchain? Is there any restriction on the same?
What are off-chain transactions?
How important are merkle trees in blockchains?
Is it true that a block in the blockchain can never have more than one parent block?
What are the benefits of blockchain? Explain it from your viewpoint and understanding?
Blockchain is a distributed database. How does it differ from traditional databases?
What is blockchain?
Tell me more about rsa algorithm?
What are the merkle trees?
What are private blockchains?
You mentioned something about indexes. What determines the account index?
What is the lightning network?
Is the Blockchain Different from Banking Ledgers?
What do you know about blockchain? What is the difference between the bitcoin blockchain and ethereum blockchain?