What are the different types of Blockchains?

5

Why do we need decentralized systems? Benefits of blockchain technology?

1

What are the limitations of blockchain?

1

Blockchain is a distributed database. How does it differ from traditional databases?

5

What is the difference between wei and ether?

1

What type of records blockchain supports? Is there any restriction for record-keeping?

1

Why do we need decentralized systems?

1

What is a ledger and what kind of ledger is blockchain?

1

What is federated blockchain? Give examples

5

What are the two types of records that blockchain database support?

1

What makes rsa a secure cryptographic algorithm?

1

What is Metamask?

5

What is the difference between ethereum and bitcoin blockchain?

5

What is a 51% attack?

1

What are the merkle trees? How important are merkle trees in blockchains?

1