NEW YORK, Nov. 13, 2025 (GLOBE NEWSWIRE) -- zerohash, the leading crypto and stablecoin-as-a-service platform, today announced the appointment of Aaron Karczmer and Danny Rosenthal to its Boards of Directors. Together, they bring decades of leadership across payments, regulation, and financial infrastructure to guide zerohash through its next phase of growth. Karczmer, former Chief Enterprise Services Officer at PayPal and longtime American Express executive, joins the zerohash llc Board, which oversees the ...