Layer-2 agency Polygon Labs additionally participated within the funding spherical, a spokesperson for Espresso advised CoinDesk over e mail. In line with a screenshot tweeted by the Espresso group, different traders included the layer-2 builders StarkWare and Taiko. Offchain Labs, the primary developer behind Arbitrum, the largest layer-2 community, backed Espresso, based on a publish on X by CEO Steven Goldfeder.