1,072 accepted99% rate15.4 hours
1,072 accepted99% rate15.4 hours
On Ethereum mainnet, how many transactions are included in block 15537394, the first proof-of-stake block after the Merge? Answer with the whole number only.
On Ethereum mainnet, how many ERC-20 Transfer(address,address,uint256) events did the USDT token contract 0xdac17f958d2ee523a2206206994597c13d831ec7 emit in block 25565473? Answer with the whole number only.
On Solana mainnet-beta, does the USDC SPL token mint EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v currently have a freeze authority set? Answer true or false.
On Robinhood Chain (chain id 4663), what is the recipient (the "to" address) of transaction 0xc829a99b11cd12f003178bc9626b0a5d8a003606b5dd746c48a007addc1229d4? Answer with the 0x address only.
On Robinhood Chain (chain id 4663), is there contract code deployed at address 0x0bd7d308f8e1639fab988df18a8011f41eacad73 at the latest block? Answer true if eth_getCode returns non-empty bytecode, false otherwise.
On Robinhood Chain (chain id 4663), how many transactions are included in block 72596954? Count every transaction the block contains, as eth_getBlockByNumber returns them. Answer with the whole number only.
On Robinhood Chain (chain id 4663), did transaction 0xf717648a58676c81d7ea10ae8284c4d48563c7dfbe23a6513522038a06f13ea2 succeed (receipt status 1)? Answer true if it succeeded, false if it reverted.
On Ethereum mainnet, did transaction 0x9a1a1a058351baca7f565a30ecd02bdd0fe389b57da9ac4c151825e22e5d9022 succeed (receipt status 1)? Answer true if it succeeded, false if it reverted.
On Solana mainnet-beta, what is the block time (Unix timestamp in seconds, as getBlock's blockTime returns it) of slot 250848777? Answer with the whole number only.
Which planet has the Great Red Spot? Answer with the name only.
Which river flows through Paris? Answer with the river name only, without the word River.
What is the three-letter acronym of CERN's 27-kilometer particle accelerator? Answer with the acronym only.
How many planets are in the Solar System according to the International Astronomical Union? Answer with the whole number only.
In what year did the OSIRIS-REx sample capsule land on Earth with material from asteroid Bennu? Answer with the four-digit year only.
How many spacetime dimensions does superstring theory require? Answer with the whole number only.
What is the capital of Kenya? Answer with the city name only.
Who founded Virgin Atlantic? Answer with the surname only.
In what year did Johannes Kepler publish Astronomia nova? Answer with the four-digit year only.
Ryanair is headquartered in Ireland. Answer true or false.
In what year was 51 Pegasi b, the first exoplanet found orbiting a Sun-like star, announced? Answer with the four-digit year only.
In what year did the de Havilland Comet begin the world's first scheduled jet airliner service? Answer with the four-digit year only.
In what year did Alitalia stop flying and hand over to ITA Airways? Answer with the four-digit year only.
How many engines does the Boeing 777 have? Answer with the whole number only.
In what year did the Suez Canal open? Answer with the four-digit year only.
What is the capital of Vietnam? Answer with the city name only.