Another thought:

Did anyone actually ever calculate today's computational cost for storing, verifying and transmitting a single transaction in the network?

As smallblockers often shout how they are ok with huge fees even for their 'digital, but useless gold', I think it would be great to simply have a summary what doing a single transaction will cost the whole network, excluding the miners.

Here's a start, please jump in if I miss an important variable:

If we assume we have 'sufficient decentralization' at a thousand full nodes worldwide, a TXN of 250bytes would need just 250kbytes of total data sent/stored/processed.

Storage: HDDs are at about 3.75e-11 $/byte ($300 for 8TB), so storage would be 9.4 u$

Network: Assuming $30 for a 20mbit uncapped up/down: About 5e-12 $/byte, so network would be 1.25u$ (assuming efficient propagation, else multiply by 2)

CPU/Electricity: 100W / Node, 1000 Nodes, $0.2/kWh electricity, assuming we're running at 4000txn/s as the current max speed of verification, that's then about 1.4u$

So a total of 9.4+1.25+1.4 == **12.05 Microdollars per Transaction**

And that is with *today's* technology.