tldr; Ethereum has a heavy reliance on a single server for building blocks, raising concerns over a single point of failure for the ecosystem. Flashbots is a centralized entity dedicated to transparent and efficient Maximal Extractable Value (MEV) extraction, which acts as a relay for delivering Ethereum blocks. The majority of the blocks have been built by two addresses belonging to Lido and Coinbase.
This summary is auto generated by a bot and not meant to replace reading the original article. As always, DYOR.