There is an interesting objection to crypto that goes something like: crypto is all a rip-off because nobody actually needs decentralization which makes things slow and inefficient (“decentralization is a bug, not a feature”). I was somewhat surprised to see this objection from Michael Seemann, a German author, whose criticism of the power of the big platform companies I respect. In a Twitter exchange (in German) he pointed me to something he wrote a couple of years ago as predictions about t...