Further thoughts on Reputation Capital systems and implementation

[Adam Shostack]

Raph, not Ralph.

The attack involved Alice and Bob giving opposite reputations to
Charlie, or Alice and Bob, both of whom you respect, giving very bad
reputations to each other.

Adam

On Mon, Dec 03, 2001 at 11:38:53AM -0500, Sunder wrote:
| 
| Thanks for the pointer, a very good essay indeed. :)
| 
| I haven't checked in any meaningful way, but that thread doesn't seem to
| have any replies from Ralph...  Do you recall any details as to what would
| cause oscillations?  Would be interesting to explore this.
| 
| I expect that having a way to prove collusion by checking who praises
| whom, etc. would likely avoid such problems.  As would I suppose personal
| observation of current behavior.
| 
| Say for instance Mr. Measels manages to accumulate quite a large sum of
| positive repcap, if he spews a bunch of the lame ass CJ knockoff messages,
| I suspect most people would adjust their cached repcap's of him pretty
| quickly - At least I would.  (CJ did/does write kooky messages, but at
| least they're funny...)
| 
| 
| ----------------------Kaos-Keraunos-Kybernetos---------------------------
|  + ^ + :Surveillance cameras|Passwords are like underwear. You don't /|\
|   \|/  :aren't security.  A |share them, you don't hang them on your/\|/\
| <--*-->:camera won't stop a |monitor, or under your keyboard, you   \/|\/
|   /|\  :masked killer, but  |don't email them, or put them on a web  \|/
|  + v + :will violate privacy|site, and you must change them very often.
| --------_sunder_ at _sunder_._net_------- http://www.sunder.net ------------
| 
| On Sat, 1 Dec 2001, Adam Shostack wrote:
| 
| > On Fri, Nov 30, 2001 at 05:00:33PM -0500, Sunder wrote:
| > | 
| > | Say Tim has a repcap of 600, say Declan has 500, and Sandy has 400.  Then
| > | I add +1 * 500/X from Declan's repcap and +1 *400/X to Tim's repcap, so
| > | now my cache of Tim's repcap might jump to 620.
| > 
| > Interesting idea.  I proposed something very similar in
| > http://cypherpunks.venona.com/date/1994/09/msg00313.html Raph
| > demonstrated a bit later that the system could be forced into
| > oscilation and had other problems, although that might have been in
| > person, not on list.
| > 
| > Adam
| > 
| > -- 
| > Imminent death of the list predicted.  Film already in the
| > archives, 11/95. 
| > 
| > 
| > 
| > 

-- 
"It is seldom that liberty of any kind is lost all at once."
					               -Hume