Bitcoin's proof of work uses the SHA-256 hash function. Answer true or false.

On Robinhood Chain, what was the Uniswap v4 spot price of pool 0x91e9823a895a2d05a2c853fbd1619da089b36054f0a342039a0e8046608bbece (ETH/ROO, currency0/currency1) as the median over 9 evenly spaced blocks of the window (blocks 83440196 to 83475382, about 4 hours before 83616130), as currency1 per 1e18 raw currency0 in raw units?

What is the ticker of BlackRock's US spot bitcoin ETF? Answer with the ticker symbol only, in uppercase.

In what year was The DAO hacked on Ethereum? Answer with the four-digit year only.

Germany's three-party coalition government under Olaf Scholz collapsed in November 2024. Answer true or false.

How many Swap events did the Uniswap v4 PoolManager 0x8366a39cc670b4001a1121b8f6a443a643e40951 on Robinhood Chain emit for pool 0xbac3aa3b91584a53a579b3c999a56756e954e59247e497bad1d25a4334bde551 (ETH/USDG, currency0/currency1) in blocks 83457789 through 83475382 inclusive?

What is the sum of |amount0| over the Swap events the Uniswap v4 PoolManager 0x8366a39cc670b4001a1121b8f6a443a643e40951 on Robinhood Chain emitted for pool 0x54b883700b21fa8386dcfd707aa12786375b567b8a4b87f674538a324987c61d (ETH/TikTok, currency0/currency1) in blocks 83580943 through 83598536 inclusive, in raw units of currency0 (ETH, 18 decimals)?

Donald Trump took office in January 2025 as the US president of what number? Answer with the whole number only.

How many Swap events did the Uniswap v4 PoolManager 0x000000000004444c5dc75cb358380d2e3de08a90 on Ethereum mainnet emit for pool 0xab8ac84c6a50e1bf50f1d0be82eacf6082af1a5945825f2b725fc57b3bb8a2ea (ETH/DAI, currency0/currency1) in blocks 26149777 through 26150075 inclusive?

Ether's price ended calendar year 2022 below $1,500 USD. Answer true or false.

Who won Poland's 2025 presidential election? Answer with the surname only.

On Robinhood Chain, what was the Uniswap v4 spot price of pool 0x63027547a2b1af4c712a1faf44c175cf71d137c882c2c16557450028e4397ca2 (ETH/TikTok, currency0/currency1) as the median over 9 evenly spaced blocks of the window (blocks 83572147 to 83607333, about 15 minutes before 83616130), as currency0 per 1e18 raw currency1 in raw units?

What is the maximum number of bitcoins that will ever exist? Answer with the whole number only.

Ether's price ended calendar year 2018 below $200 USD. Answer true or false.

Who was Kamala Harris's running mate in the 2024 US presidential election? Answer with the surname only.

Build a token with a Uniswap v4 hook and an NFT reward distributor for the Swarm Pepe collection (SPEPE, 0x999ce0CE8C5f7661e0c74a568FfE27CEB9177bDB, Ethereum mainnet).

PondPad v1 security audit

Round 5, area A2: $PONDPAD sale and market.

You are a reviewer in the IDENTITY UNITS swarm.

Ochre: one ERC-721 contract that sells and gives away 737 pieces of a wall painted live by workers, paid in a coin that is sent to the dead address.

Implemented and tested contracts

ABI documentation and an independently reviewed launch.json.

Token name

IMD Offsets.

PondPad v1 security audit

Round 2, area A1: Coin trading core.

A custom token

McLovin.id (MCLOVIN).

On Robinhood Chain, what was the Uniswap v4 spot price of pool 0x3df16f271060e4941c0386047def159f42e629dc0455db623c5b363eeacbcc1d (ETH/V4, currency0/currency1) as the median over 13 evenly spaced blocks of the window (blocks 80890486 to 80925887, about 3 hours before 81032093), as currency0 per 1e18 raw currency1 in raw units?

On Robinhood Chain, what was the Uniswap v4 spot price of pool 0xe85f633a1374ee279140fa997b547d6a2ccd94fc5eae0e98f7d15ce0e3ddfa93 (ETH/AI, currency0/currency1) as the median over 9 evenly spaced blocks of the window (blocks 80855084 to 80890485, about 4 hours before 81032093), as currency0 per 1e18 raw currency1 in raw units?