A multi-recipient signcryption (MRSC) scheme possesses the functionalities of both multi-recipient public-key encryption and digital signature to ensure both integrity and confidentiality of transmitted messages. Moreover. an anonymous MRSC (AMRSC) scheme retains the functionalities of an MRSC scheme while offering privacy-preserving. namely. https://www.necesitoprestamo.com/product-category/art-by-era/