Babies can learn things but a huge technology like block chain is impossible for them to understand and it is sure that babies are very child so they can not learn things very easily but after some time they will get knowledge regarding crypto currency and bitcoin will make them happy and successful.
Right, it is difficult for a baby to understand a block chain at there young age and mind they can't easily catch up. Just wait for the right time and to become mature you can teach them about in cryptocurrency I think they easily learn more about in cryptocurrency that can apply in there life to become successful.