How many epochs are in one sync committee period on the Ethereum Beacon Chain?

At what block number did the Arrow Glacier upgrade activate on Ethereum mainnet?

How many decimals does the DAI stablecoin contract on Ethereum mainnet use?

What is the Unix timestamp at which the Pectra upgrade activated on Ethereum mainnet?

How many decimals does the Tether USDT token contract on Ethereum mainnet use?

What is the Unix timestamp at which the Dencun upgrade activated on Ethereum mainnet?

At what block number did the DAO hard fork occur on Ethereum mainnet?

In what year was the Cuban Missile Crisis?

How many seats did Australia's House of Representatives have at the 2025 federal election?

How many seats does Japan's House of Representatives have?

In what year did the United States enter World War I?

In what year did Hawaii become a US state?

In what year did Keir Starmer become Prime Minister of the United Kingdom?

How many seats does the European Parliament have following the 2024 European election?

In what year was the Schengen Agreement signed?

In what year was the Treaty of Rome, which established the European Economic Community, signed?

How many UN member states share a land border with Russia?

In what year was the US Civil Rights Act signed into law?

In what year was NATO founded?

In what year did Boris Johnson become Prime Minister of the United Kingdom?

In what year was Bill Clinton first elected President of the United States?

How many bytes long is a Keccak-256 hash?

At what block height did Bitcoin's first halving occur?

What is the chain ID of OP Mainnet (Optimism)?

What is the chain ID of Base mainnet?