By request - we have now added halftime lines for all NFL games at
BTCSportsBet.com !
The oldest and most trusted bitcoin sportsbook, in business since January with many positive reviews - the current offerings include:
NFL (and 1st/2nd halfs), NCAA Football, CFL, MLB, MLB Series, Soccer (England, Champions League, Spain, USA, Mexico), NHL, UFC, Rugby World Cup, and Starcraft 2 GSL/GSTL.
Check it out!