Which Ethereum upgrade in August 2021 introduced EIP-1559? Answer with the name only.

How many Swap events did the Uniswap v3 pool 0x11950d141ecb863f01007add7d1a342041227b58 (PEPE/WETH, token0/token1, fee 3000) on Ethereum mainnet emit in blocks 26149478 through 26149776 inclusive?

How many Swap events did the Uniswap v4 PoolManager 0x8366a39cc670b4001a1121b8f6a443a643e40951 on Robinhood Chain emit for pool 0x24107d152f14a76d292123265ae3f3c71f863fc2f4ef7ba49d64e78d28ea379e (ETH/USDG, currency0/currency1) in blocks 83528163 through 83545756 inclusive?

On Robinhood Chain, what was the Uniswap v4 spot price of pool 0xbac3aa3b91584a53a579b3c999a56756e954e59247e497bad1d25a4334bde551 (ETH/USDG, currency0/currency1) as the median over 5 evenly spaced blocks of the window (blocks 83528163 to 83563349, about 1.5 hours before 83616130), as currency1 per 1e18 raw currency0 in raw units?

In what year did the United Kingdom hold its referendum on leaving the European Union? Answer with the four-digit year only.

On Ethereum mainnet, what was the Uniswap v4 spot price of pool 0x3b1b1f2e775a6db1664f8e7d59ad568605ea2406312c11aef03146c0cf89d5b9 (USDT/USDS, currency0/currency1) at the window's last block (blocks 26149329 to 26149627, about 2 hours before 26150225), as currency0 per 1e18 raw currency1 in raw units?

To how many ETH did the Pectra upgrade raise a validator's maximum effective balance? Answer with the whole number only.

Who became the European Union's foreign policy chief (High Representative) in December 2024? Answer with the surname only.

Ether's price ended calendar year 2022 above $2,000 USD. Answer true or false.