But cash remains king with high street shops - and the Cheltenham ring - still the most popular ways for punters to back their horses. Industry experts expect as much as £50m to be staked on course during the Festival.
Even before racing gets under starter's orders at Prestbury Park tomorrow, bookmakers are already in the black following the withdrawal of ante-post Gold Cup favourite, Best Mate, due to a burst blood vessel.
Had Henrietta Knight's horse been successful in winning the race for the fourth time, layers were facing liabilities of £10m.
Now Kingscliff in the Gold Cup, Hardy Eustace in the Champion Hurdle and Moscow Flyer in the Queen Mother Champion Chase are the results they fear most.