XenLogin
About
A premium authentication plugin for Paper *.21+ supporting both Premium and Cracked players. Features include Argon2id password hashing, 2FA/TOTP, email verification, multiple captcha types, session management, SQLite/MySQL/MariaDB storage, login rate limiting, IP verification, device fingerprinting, and comprehensive GUI interfaces. Integrates with PlaceholderAPI, Vault, LuckPerms, DiscordSRV, ProtocolLib, Floodgate, Geyser, and ViaVersion. Enterprise-grade security with configurable restrictions for unauthenticated players.