
Einführung in Kryptowährungen
Quiz
•
Computers
•
Professional Development
•
Practice Problem
•
Hard
Benjamin Brückner
Used 5+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ein schwieriges Rechenproblem...
ist die SHA-256 Hash Funktion.
lässt sich einfach auf die Lösung überprüfen.
bezeichnet nur Brute Force Angriffe auf kryptographische Primitive
wurde erst mit dem Bitcoin Whitepaper erfunden.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Was war die Motivation hinter dem Bitcoin Whitepapers?
Das Blockchain Paper von David Chaum (1982).
Das Proof-of-Work Paper von Dwork und Naor (1992).
Das Hashcash Paper von Adam Back (2002).
Die Finanzkrise (2008).
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welchen Wert in einem BTC Block wird durch den Miner "erraten", i.e. ge-brute-forced?
Block Content
Merkle Root
Target Hash
Nonce
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Welche Variable ist für den Miner NICHT relevant, um die "eternal question" zu beantworten?
Difficulty Target
Difficulty Epoch
Current Difficulty
Hashrate
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wieviele BTC wird es maximal je geben?
21 Mio. BTC
unendlich
64 Mio. BTC
210'000 epochs * 64 BTC/epoch
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Was muss Alice von Bob wissen, um ihm BTC schicken zu können?
Bob's public Key
Bob's private Key
Bob's BTC Adresse
Nonce des BTC Blockes
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wann bezeichnet man ein Wallet als ein "Hot Storage" Gerät?
Wenn das Wallet mit dem Internet verbunden ist.
Wenn das Wallet auf einem fremden Server liegt.
Wenn das Wallet digital ist.
Wenn das Wallet den public und private Key beinhaltet.
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