Blockchain Basicss

Founder of Ethereum?

• satoshi nakamoto

• Vitalik Buterin

• Brendan Eich

• Satoshi Lite

Father if Bitcoin

• Satoshi Nakamoto

• Vitalik Buterin

• Brendan Eich

• Satoshi Lite

In Blockchain

• Can create block

• Can edit data in block

• Delete block

• Can read data from block

Block header contains

• Nonce

• Block hash

• Previous block hash

• Difficulty level

Block hash is calculated using

• Block header + Block body

• Block body only

• Block Header only

• None

Example of public blockchain

• Factom

• Hyperledger

• Ethereum

• Ripple

In public blockchain, Transactions and data are viewable by______ and Participant identity can be _______

• only admins, anonymous

• all participants,

  known

• all participants, anonymous

• only admins,

  known

Which key can be shared

• Public key

• Private key

• Both

• None

Public key can be generated from

• Master key

• Private key

• Secret Key

• None

Private key can be generated from public key

• True

• False