No, entanglement cannot transmit information. It does not (necessarily) violate speed-of-light causality. Like eoinmurray92 said, entanglement can be useful fo

No, entanglement cannot transmit information. It does not (necessarily) violate speed-of-light causality. Like eoinmurray92 said, entanglement can be useful for cryptography. It can also be useful for quantum computing, where you need to find clever algorithms where the wrong answers "cancel out."