Hi Byron, 

I've been using shadow a bit-- I think these simulators are important for testing, but Shadow, at least, certainly seems to have limitations, in some crucial respects.  Running shadow w Tor (which is only logical, because many BCT transactions transpire over Tor) is not as 'light' as presented and slows my own box down quite a bit, so the stats can't possibly be accurate... I don't know if this answers any questions or if you've had this experience at all -- perhaps it is negligible on a more powerful machine than my own-- or perhaps there is an adjustment still unaccounted?

Regards,
Nina K

Sent from my iPhone

> On Oct 4, 2015, at 2:04 PM, Byron Gibson via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org> wrote:
> 
> Hi all, is anyone using simulators like Shadow (https://shadow.github.io), BTCSim (https://github.com/btcsuite/btcsim), etc. to test proposed changes to Bitcoin?  I have a few questions about their capabilities and limitations.
> 
> Byron Gibson
> http://mirror.co/
> https://keybase.io/byrongibson
> 
>    
> 
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