WeatherXM AG, a startup developing the weather-focused decentralized physical infrastructure network (DePIN) WeatherXM, raised $7.7 million in Series A funding led by Lightspeed Faction. Additional participation in the round came from Protocol Labs, Borderless Capital, Arca, Alumni Ventures, Placeholder VC, Red Beard Ventures, Metaplanet, GS Futures, Consensys Mesh, Westerly Ventures, dlab