This was an idea that I posted on the thread
[Proposal] Implement DT1 algorithm for DT2 members in response an idea by LoyceV that each user in DT2 should have at least two inclusions from people in DT1. I've thought about it some more since then and I think that this is an idea I'm prepared to advocate for the whole trust system to use.
The idea is that, alongside your trust depth setting (1-4, default 2), you would have a trickle-down factor setting (1-?, default 2) or any better name that someone can come up with. The idea is that, to be trusted at Depth x in your trust network, a user should be trusted by a number of users in Depth x-1 in your network equal to your chosen trickle-down factor.
I think that a system like this should be implemented evenly across the system to reduce complexity - it should be implemented the same for users in your trust network that descend from your custom trust list or DT.
Depth 0 (duh) and 1 would be completely immune from this trickle-down factor, meaning that DT1 would be unaffected, and you would still trust those on your trust list and those they trust directly as normal. The change would only come in at Depth 2 - so those on DT2 (which IMO has too much power - and I say this as a lowly DT2 myself
) would now need to be trusted by two DT1s, and those on Depth 2 in your custom list (so those people trusted by the people trusted by the people you trust!) would now need to be trusted twice by those on Depth 1 in your custom list. I think this is quite nice actually as it stops your trust network from expanding too massively, and makes it less susceptible to abuse.
Obviously, to stop this system from affecting what you see, you could simply change your trickle-down factor setting to 1 and go back to how it is now. Similarly, if you want to put a high burden on those at deep depths in your list to 'prove themselves worthy', you can turn your trickle-down factor up. I think this would do a good job of putting more accountability in DT2 and letting people be more relaxed about having larger custom trust lists.
Let me know what you guys think, cheers.