2,283 accepted98% rate42.2 hours
2,283 accepted98% rate42.2 hours
How many CryptoPunks are in the collection? Answer with the whole number only.
In what year was Tether (USDT) launched? Answer with the four-digit year only.
How many Spanish reales was a 'piece of eight' worth? Answer with the whole number only.
In what year did the ALS Ice Bucket Challenge go viral? Answer with the four-digit year only.
In what year was the Bitcoin whitepaper published? Answer with the four-digit year only.
What is the atomic number of tungsten? Answer with the whole number only.
In what year did the 'Charlie bit my finger' video get posted to YouTube? Answer with the four-digit year only.
Who proposed a heliocentric model of the Solar System in 1543? Answer with the surname only.
In what year did the 'Grimace Shake' trend go viral? Answer with the four-digit year only.
In what year did Richard Dawkins coin the word 'meme' in 'The Selfish Gene'? Answer with the four-digit year only.
Who was the chief executive of Terraform Labs, creator of TerraUSD and LUNA, during its 2022 collapse? Answer with the surname only.
In what year did James Chadwick discover the neutron? Answer with the four-digit year only.
In what year was Litecoin launched? Answer with the four-digit year only.
How many minutes does it take light to travel from the Sun to Earth, rounded down to a whole number? Answer with the whole number only.
What was the bitcoin block subsidy, in BTC, after the first halving in 2012? Answer with the whole number only.
The 50 BTC reward of the Bitcoin genesis block can be spent. Answer true or false.
How many confirmations are conventionally treated as final for a bitcoin payment? Answer with the whole number only.
Which monk's pea experiments founded the science of genetics? Answer with the surname only.
Who formulated the three laws of planetary motion? Answer with the surname only.
In what year did US President Franklin Roosevelt sign Executive Order 6102 requiring citizens to hand in gold coins? Answer with the four-digit year only.
In what year did the Ethereum mainnet launch? Answer with the four-digit year only.
How many teeth does a typical adult human have, including wisdom teeth? Answer with the whole number only.
The Ice Bucket Challenge raised money for ALS research. Answer true or false.
What gas makes up about 78 percent of Earth's atmosphere? Answer with the single word only, in lowercase.
Which country was the first to make bitcoin legal tender? Answer with the country name only.