Modern Treasury, a payments infrastructure firm valued at $2.1 billion, has acquired stablecoin startup Beam in an all-stock deal worth approximately $40 million. The acquisition, reported by Fortune, will see Beam's founder join Modern Treasury to spearhead its expansion into the stablecoin payments sector. Beam, established in 2022, specializes in software that enables banks and businesses to manage stablecoin transactions. Modern Treasury, a Y Combinator alum from 2018, continues to enhance its offerings as a comprehensive service provider for business capital flows.