[throwawaygh]

It's apples and oranges for a two reasons:

1. VASTLY different definitions of "uptime". A credit card POS terminal that required minutes or hours per transaction would be considered defective. If we measure Bitcoin's uptime by typical performance requirements for a CC processing system, Bitcoin has had 0.0 seconds of uptime since inception.

2. Bitcoin has no SLA. If it goes down you have no recourse. If your transaction does not post within N seconds, you have no recourse. If you transaction posts but is later not recognized by the network, you have no recourse.