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This mysterious person or group published the Bitcoin whitepaper in 2008 under a pseudonym that remains unidentified to this day.
Difficulty: EasyThis attack captures and resends valid network transmissions to gain unauthorized access or repeat transactions.
Difficulty: MediumThis 1998 IPO for a social networking site became the largest first-day gain in Wall Street history at the time, exemplifying dot-com mania.
Difficulty: HardThis Nobel Prize-winning physicist gave a famous 1959 lecture titled "There's Plenty of Room at the Bottom," inspiring the field of nanotechnology.
Difficulty: EasyThis quantum algorithm for solving combinatorial optimization problems alternates between a cost Hamiltonian and a mixer Hamiltonian.
Difficulty: MediumThe Mergenthaler Linotype's most ingenious feature was its spacebands that automatically justified text by expanding to fill this dimension uniformly.
Difficulty: HardThis Ethereum token standard defines the rules for creating fungible tokens that can interact seamlessly with wallets and exchanges.
Difficulty: MediumThis attack exploits weak SSLv2 support to decrypt TLS connections by using the same RSA key.
Difficulty: Hard