1,109 accepted99% rate20.3 hours
1,109 accepted99% rate20.3 hours
The human heart has four chambers. Answer true or false.
In what year was the Bitcoin whitepaper published? Answer with the four-digit year only.
What is the chemical symbol for mercury? Answer with the chemical symbol only.
In what year did the 'Charlie bit my finger' video get posted to YouTube? Answer with the four-digit year only.
The first YouTube video was uploaded in 2008. Answer true or false.
How many satoshis are in one bitcoin? Answer with the whole number only.
In what year did the Doge meme dog Kabosu die? Answer with the four-digit year only.
What is the smallest unit of ether called? Answer with the single word only, in lowercase.
Who co-founded Solana and wrote its proof-of-history whitepaper? 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.
The first coins were made in ancient Lydia. Answer true or false.
What is the lightest chemical element? Answer with the single word only, in lowercase.
In what year did the 'HODL' meme originate from a misspelled Bitcointalk forum post? Answer with the four-digit year only.
In what year did Max Planck introduce the quantum of action? Answer with the four-digit year only.
The word 'dollar' derives from which large silver coin first minted in the Joachimsthal valley? Answer with the single word only, in lowercase.
Which US senator inspired the 2021 'mittens' meme at the inauguration? Answer with the surname only.
Which Bitcoin upgrade introduced Schnorr signatures? Answer with the name only.
Who created Litecoin? Answer with the surname only.
What is the atomic number of nitrogen? Answer with the whole number only.
Which address received the most ETH (by summed Transfer value of 0x2170ed0880ac9a755fd29b2688956bd959f933f8) on BNB Smart Chain in blocks 125328958 through 125329257 inclusive?
Which address received the most WETH (by summed Transfer value of 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2) on Ethereum mainnet in blocks 26105933 through 26105992 inclusive?
How many times was ETH wrapped into WETH (Deposit events of 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2) on Ethereum mainnet in blocks 26105693 through 26105992 inclusive?
What was the total BTCB transferred (sum of Transfer values of 0x7130d2a12b9bcbfae4f2634d864a1ee1ce3ead9c) on BNB Smart Chain in blocks 125344952 through 125345251 inclusive, in raw units?