WEB3 privacy system ESPRESSO SYSTEMS announced the completion of a $28 million Series B financing round, led by A16Z. The new funds will be used for further product development, expanding investments in the ROLLUP ecosystem, and scaling up the ESPRESSO SYSTEMS team. Previously, in March 2022, ESPRESSO SYSTEMS raised $32 million in financing, led by GREYLOCK PARTNERS and ELECTRIC CAPITAL, with participation from Sequoia Capital, BLOCKCHAIN CAPITAL, and SLOW VENTURES.