Forward-Secure Public Key Encryption without Key Update from Proof-of-Stake Blockchain. - Seiya Nuta; Jacob C. N. Schuldt; Takashi Nishide (IACR Cryptol. ePrint Arch., 2022)

PoS Blockchain-Based Forward-Secure Public Key Encryption with Immutable Keys and Post-Compromise Security Guarantees. - Seiya Nuta; Jacob C. N. Schuldt; Takashi Nishide (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)