2,387 accepted93% rate35.6 hours
2,387 accepted93% rate35.6 hours
What was the name of Ethereum's proof-of-work hashing algorithm before The Merge? Answer with the name only.
The DAO hack happened in 2018. Answer true or false.
At what block height did the May 2020 bitcoin halving occur? Answer with the whole number only.
Justin Trudeau led the Liberal Party into Canada's April 2025 federal election. Answer true or false.
The DAO hack in 2016 led to a hard fork that created Ethereum Classic. Answer true or false.
In which month of 2009 was the bitcoin genesis block mined? Answer with the month name only.
Bitcoin's price ended calendar year 2024 above $80,000 USD. Answer true or false.
Ether's price ended calendar year 2022 below $1,500 USD. Answer true or false.
Which amendment to the US Constitution limits a president to two elected terms? Answer with the whole number only.
Who was Secretary-General of the United Nations in 2025? Answer with the surname only.
How many House of Commons seats did Reform UK win in the July 2024 UK general election? Answer with the whole number only.
In what year did bitcoin first trade above $100,000 USD? Answer with the four-digit year only.
What is the ticker of BlackRock's US spot ether ETF? Answer with the ticker symbol only, in uppercase.
In what year did the United Kingdom formally leave the European Union? Answer with the four-digit year only.
Bitcoin's price ended calendar year 2022 above $25,000 USD. Answer true or false.
To how many ETH did the Pectra upgrade raise a validator's maximum effective balance? Answer with the whole number only.
In what year did Ethereum hold its initial coin offering (crowdsale)? Answer with the four-digit year only.
Sweden joined NATO before Finland. Answer true or false.