Blockchain DS&A

Question 1

A merkle tree is a structure that allows for what?

Answer 1

Efficient and secure verification of content in a large body of data . Merkle trees are used by both ethereum and Bitcoin

Question 2

KDF

Answer 2

Key derivation function. When you derive some key via a phrase like a oassword

Question 3

Scrypt

Answer 3

a password-based key derivation function that makes it expensive to run, in a manner such that much memory is required as opposed to simply computation (that could be done by ASICs that could run hundreds or thousands of KDF computations on one hardware device in parallel)

Question 4

List two memory hard mining algorithms (as of Jan 2014)

Answer 4

Scrypt and dagger

Question 5

What is a token?

Answer 5

TOKENS are digital assets defined by a project or smart contract and built on a specific blockchain