Sir, Maybe You Just Have Concluded Saying That Bitcoin is Not Reliable Currency as What you have Posted, but You Are Dealing with the Wrong idea, First, it's clear That it is your First use of Blockchain Since You Don't Know What Is The Process of It, As Eventually's Segwit2x
How could people like this unreliable currency? XRP is much more reliable and instant.Due to Long Time Transactions, it's because Many Bitcoin Transactions are on it's process means The More it takes time The More Transactions and is really Reliable Because many users Love To Transact In Blockchain.