falcon.sol structures: structured-note pricing for crypto. Send a JSON term sheet (autocallable, barrier reverse convertible, range accrual, principal-protected, shark fin) on BTC, ETH or SOL; get the fair coupon or participation, probabilities (autocall per observation, knock-in, loss), greeks, a spot x vol scenario grid and payoff-diagram data. Monte Carlo on live Deribit implied vol. Free previ