June 27: Rebar Labs, building “MEV-aware infrastructure, products and research” for Bitcoin, has raised $2.9 million in seed funding, according to the team: “Led by 6th Man Ventures, with participation from ParaFi Capital, Arca, Moonrock Capital and UTXO Management, the company aims to address MEV challenges in Bitcoin’s expanding ecosystem. As new protocols like BRC-20s, Runes, L2s and rollups emerge, MEV strategies similar to early Ethereum DeFi are appearing on Bitcoin. Rebar Labs is developing solutions to ensure fair value distribution, enable efficient markets and improve user and miner experiences in the Bitcoin ecosystem.”