Bitcoin transactions are definitely cost-effective, time-saving and most importantly they are highly secured when compared to Bank transactions. Now people don't have to wait for money transfers for days. Transactions happen at the drop of a hat today. Thanks to technological innovations like blockchain technology. This is the dawn of a new era.
Time-saving? It takes 20 seconds to make a bank transfer, but it takes a lot longer to make a bitcoin transaction to be fully complete (or at least 6 confirmations)
Cost-effective? Not for the majority. For example in Europe, it's free with SEPA
"highly secured when compared to Bank transactions" This is subjectif