Question 1:
Which year is considered the birth year of blockchain?
๐น A) 2007
๐น B) 2010
๐น C) 2009
๐น D) 2012
Question 2:
What is the primary purpose of a "Nonce" in blockchain?
๐น A) Calculating transaction fees
๐น B) Finding a block hash that meets the difficulty requirement
๐น C) Verifying transactions
๐น D) Generating wallet addresses
Question 3:
Which blockchain uses the "Proof-of-History" consensus mechanism?
๐น A) Ethereum
๐น B) Solana
๐น C) Bitcoin
๐น D) Cardano
Question 4:
What is a "Hard Fork"?
๐น A) A temporary network interruption
๐น B) A blockchain split that is not backward-compatible
๐น C) An upgrade without changing protocol rules
๐น D) A security patch for wallets
Question 5:
Which cryptocurrency popularized the "Token Burning" mechanism?
๐น A) Ethereum (ETH)
๐น B) Binance Coin (BNB)
๐น C) Ripple (XRP)
๐น D) Dogecoin (DOGE)
Bonus Question 6 (Hard Mode!)
How many confirmations are recommended for a Bitcoin transaction to be considered secure?
๐น A) 1
๐น B) 3
๐น C) 6
๐น D) 12
๐ Comment your answers (e.g., "1A, 2B, 3C...")
