x = (1 − 0.02) / (1 − h/2⁵²)  ·  identical to shared fairness math module  ·  P(crash ≥ m) = 0.98/m ⇒ RTP 98% at every practical cash-out target (the 10,000× cap trims the extreme tail)  ·  production: HMAC-SHA256 seed chains committed on Elysium before each round