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Blockchain Developer Test 2
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What location do you keep your cryptocurrency?
ATM Card
Wallet
E-Shopping Cart
Google Drive
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Wrong!
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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.
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Wrong!
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Where can you store your cryptocurrency that is LEAST SAFE?
In a Google Drive
Inside a safe
On an exchange
In an external storage
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Wrong!
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What does the acronym IPFS mean?
Internal Filing Storage
Internet Play System
Interplanetary Filing System
Internet Protocol for Storage
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Wrong!
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What is the procedure used to generate fresh bitcoins?
Coding
Mining
Liquidation
Refreshing
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Wrong!
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What quality does Blockchain have that makes it tamper-proof?
Codes and Pins
Availability online
Immutability
VPN
Correct!
Wrong!
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What is the blockchain block made up of?
A timestamp
Transaction data
A hash point
All of these
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How many bitcoins are there in total that can be created?
10M
17M
21M
23M
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Wrong!
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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!
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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
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Wrong!
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When did the person who created bitcoin release a whitepaper outlining the digital currency?
2008
2010
2012
2014
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