see below
I wrote the document in the format that Paul Sztorc suggested: https://github.com/BumblebeeBat/FlyingFox/blob/master/docs/hip_tip.md
Truthcoin Improvement Proposal #0
Here is a more precise analysis of how much more affordable the better design for truthcoin will be:
https://github.com/BumblebeeBat/FlyingFox/blob/master/docs/oracle_finality.md
How do you measure efficiency?
By that I mean, what did you divide by what, to get the factor of 1000?