Blockchain Developer Test 2

Who has access to a record that is stored on a blockchain?

One individual at a time.

Those who took part in the deal can only access it.

Simultaneously, multiple persons.

Correct! Wrong!

When did the person who created bitcoin release a whitepaper outlining the digital currency?

2008

2010

2012

2014

Correct! Wrong!

A Dash Masternode is what?

One node that controls the entire network

Resources are shared by two nodes

Resources are shared by series of nodes

A node that offers extra network supervision services

Correct! Wrong!

What location do you keep your cryptocurrency?

ATM Card

Wallet

E-Shopping Cart

Google Drive

Correct! Wrong!

What is the blockchain block made up of?

A timestamp

Transaction data

A hash point

All of these

Correct! Wrong!

What is the procedure used to generate fresh bitcoins?

Coding

Mining

Liquidation

Refreshing

Correct! Wrong!

Can records on a Blockchain be changed after they have been submitted?

No, they cannot be changed.

Yes, but only within a specific period of time.

Yes, the parties may return at any moment and change them.

None of the above.

Correct! Wrong!

What quality does Blockchain have that makes it tamper-proof?

Codes and Pins

Availability online

Immutability

VPN

Correct! Wrong!

How many bitcoins are there in total that can be created?

10M

17M

21M

23M

Correct! Wrong!

Where can you store your cryptocurrency that is LEAST SAFE?

In a Google Drive

Inside a safe

On an exchange

In an external storage

Correct! Wrong!

What does the acronym IPFS mean?

Internal Filing Storage

Internet Play System

Interplanetary Filing System

Internet Protocol for Storage

Correct! Wrong!