Check out BitSim, a Zero Footprint Platform that works by interposing an ultra thin chip between the SIM card and any SMS-capable phone. What does it do? Bitcoin, smart contracts, all encrypted over SMS without carrier permission.

Providing NFC and fully-encrypted Bitcoin transactions over SMS, even a smart-contract-capable JVM runtime, BitSIM is a stealthy technology injection that routes around the carrier monopolies.

Gamechanger.