Any contract or agreement for the purchase, sale, loan, payment, or use of money or property, real or personal, the terms of which are made to depend upon, or are to be varied or affected by, any uncertain event in which the parties have no interest except that created by such contract or agreement shall be deemed a bet or wager.
RSA 338:4
RS 30:7. CS 31:7. GS 254:14. GL 272:14. PS 270:18. PL 384 :20. RL 447:18.