the majority of transactions in that block paid about 0.01 ETH tx fee ($20). 4 transactions were over 1 ETH. 1 single transaction paid a fee of 37 ETH: https://etherscan.io/tx/0x5ad934ee3bf2f8938d8518a3b978e81f17...

i’m thinking it was a single person who just really wanted to be the first tx on the PoS chain. i’m not versed to decode transactions well — i wouldn’t be surprised if it was somebody making a “first PoS transaction” NFT or something.