Ethereum Block Space Futures Market ETHGas Secures $12 Million Seed Round Led by Polychain Capital

ETHGas, an Ethereum block space futures platform, announced a $12 million token seed round led by Polychain Capital, with participation from Stake Capital, BlueYard Capital, Lafayette Macro Advisors, SIG DT, and Amber Group. The round follows an undisclosed mid-2024 pre-seed raise of about $5 million. Initiated in July and closed last month, the financing used a SAFT structure aligned with the pre-seed. In parallel, ETHGas said Ethereum validators, block builders, and relayers have committed roughly $800 million in block space liquidity to support market development, framing the input as liquidity rather than cash investment.

ETHGas has built an Ethereum block space futures market enabling forward trading of block space, beyond immediate block generation. Block space determines inclusion, ordering, and fees within a block. The platform sits upstream of Ethereum’s proposer-builder decoupling framework and interfaces with the existing system rather than replacing it.