Well Bitcoin Basically works on POW which needs conformation by miners ... there are few other methods like POS, POF ,POC and few are conformed easily.... this offline works on new method created POK where share bit will be the first to operate using POK ..... that makes instant confirmation
and highly secure... cus dont worry basic encryption is same as bitcoin using same sha-256 2 times and basically this payment of offline coin system cus instead of 2% fee of visa they can start using SHarebit ...

Current Status :

VISA : 6000-32000 Transaction Per Second
Paypal : 112 Transaction Per Second
Bitcoin : 7 Transaction Per Second

well this technology will go little bit higher