Standalone C++17 cryptographic primitive library: Ed25519, ring signatures (CLSAG/Triptych), Bulletproofs/BP+/BP++, FROST threshold signatures, FCMP++, BIP-39/SLIP-10/SLIP-39 key derivation, with AVX2/AVX-512 SIMD backends

Standalone, zero-dependency C++ elliptic curve library implementing the Helios/Selene curve for FCMP++. Runtime-dispatched backends (portable, x64, AVX2, AVX-512 IFMA) with constant-time scalar multiplication, MSM, polynomial arithmetic, and ECFFT support.

A simple FCMP-based check-in/check-out storage system using dictionary objects in SAS-store and retrieve data by key, like a digital cloakroom. Additionally, macro-based stack and queue functions are provided.