Говорите всем неосиляторам-кремлядям сразу в лицо:

Bitcoin is a protocol first and foremost. A protocol for decentralized register of ownership.
(The fact that the protocol also has a unit of "currency" which confusingly is also called bitcoin is merely a $10 B (and counting) bonus.)

If you think there is "nothing new" in Bitcoin. Google:
"Colored coins"
"Autonomous agents"
"Namecoin"
"Smart property"

"M-of-N transactions and contracts"

Expect to spend a full day researching each of these topics.
See you in five days for a discussion of similarities between Bitcoin (the protocol) and tulip bulbs.

If you think A, Google:
B
C
D
E
F

Expect to spend a full day researching each of these topics.
See you in five days for a discussion of A.