Actually, the recent crash demonstrates that Bitcoin is quite antifragile
Its price as of today is the same as it was just 3 months ago, so we can't even say that Bitcoin crashed and never came up. Of course it crashed but it was an obvious and outrageous market manipulation on the part of BitMEX. Did it hurt Bitcoin? It definitely hurt Bitcoin traders (with some of them likely losing millions in the process) but did it undermine their faith in the cryptocurrency as such?
I suspect we can't say so if we take into account the latest price dynamic. These people lost their money, that's true, but it wasn't Bitcoin's fault, so they will be and probably already are buying back as fast as they can and as soon as they have spare cash on hand. The outcome of this bloodbath is that Bitcoin came off stronger out of it. And this is what antifragility is all about
It feels like Bitcoin is vigorously alive today, and even more alive if we compare it to the current environment and overall circumstances