Maybe you should do some research before calling it a "vague concept that consultants can sell to CTOs". It's the first distributed, decentralized ledger that

Maybe you should do some research before calling it a "vague concept that consultants can sell to CTOs". It's the first distributed, decentralized ledger that successfully operates in the presence of malicious nodes. The white paper and reference implementation represent a fundamental breakthrough in computer science (a solution to the famous and previously unsolved Byzantine Generals problem). Bitcoin is a big deal whether you want to realize it or not.