Bitcoin will never take off without centraliziation whereas a set number of intellectuals will look after the BTC of the stupid masses. Your inferior brains are the achilles heel of Bitcoin security wise, not SHA256, not RIPEMD-160 and not the ECDSA which the NSA may build a billion dollar computer to record all the sounds that your processor makes while generating and crack.
This or really easy and simple device (maybe like trezor not sure yet coz i don't use trezor), to make safe transactions without risk.