Online Access Free BLOCKCHAINF Practice Test

How does the Bitcoin provide anonymity?

• A.None of the above
• B.Through Merkle trees
• C.By publishing only the block address
• D.Through consensus algorithms such as Proof of Work
• E.Through public/private key cryptography

What are the drawbacks of using Blockchain? Select all that apply

• A.High cost of developers
• B.Changing technology and the lack of a stable standard
• C.Its use of cryptography
• D.Its use of new applications

Once a record has been added to a Blockchain it can be altered.

• A.True
• B.False

An asset is defined as ____________.

• A.all records on a database
• B.any record on a private network
• C.any data on the ledger
• D.anything of value requiring accountability of ownership

Blockchain does not provide?

• A.Security
• B.Fault tolerance
• C.Fact Transaction time
• D.Immutability