I believe #bitcoin is the most efficient financial network in existence ever. In terms of cost per value transacted or stored; cost per the level of reliability and resilience.
Prove me wrong.
我相信#比特币是有史以来最有效的金融网络。按交易或存储的每价值成本计算；按可靠性和恢复力水平计算的成本。
证明我错了。