On: Mysterious Algorithm Was 4% of Trading Activity La...

[Evbn]

You may not be aware now, but postal mail is on fact charged per unit, no central registry needed, just a stamp.

[xenophanes → Evbn]

I don't think you understand how email works.

Or the post office for that matter. There's actually one single organization that all those stamped envelopes get sent through, it's not decentralized.