I think the ideal balance has been stuck with the system proposed where by those who have been staking for longer get a longer expiry.
That seems to be a good reward mechanism, rewarding those who devote time. Nexus is not based upon false time frequency, we are synchronizing with natural time frequency. Right now our ratio is 7/1 based upon 7 days per week, 28 days per month, 13 months per year.
http://www.lawoftime.org/thirteenmoon.htmlNice.
To finish my point about subject. Between 100 and 300 is the minimum number for running wallets , for good security.
My opinion is that everything less than minimum 14 day, for ordinary average user, is problem and annoying for expiration time.
Lot of users agree about 21 day for optimum.
Let's look on another way.
what is more secure :
100 wallets with 7 day expiration or 300 wallets with 21 day expiration ?
whether it is possible to determine a correlation formula , about this ?
or at least approximately correlation ?
I'm not sure we can draw a correlation formula since every user has their parameters for running a node (time, electricity, devices). In other words, it is the quality of nodes not necessarily the quantity. And it is hard to measure quality since it is subjective to each individual's resources. This is why we reward trust keys and trust weight to nodes that are online more, because they are better quality.
If those 100 wallets or 300 wallets were always online, the 7 or 21 day expiration would be irrelevant. It is a mechanism to reward those nodes that remain online and to penalize those nodes which do not remain online for long periods of time.
We want nodes online all the time staking, not network hoppers. We need to basically make sure the system rewards full-node operators vs. network hoppers and that the system cannot be gamed. That's our goal for this, because the nodes will be a central part of the protocol that we build on top of. This trust network is VERY important for future feature sets and in order to have a strong trust network we must reward those people the most.
In addition, we will be adding trust keys for miners as well, so that miners will be rewarded trust keys and gain trust weight as well, to reward them for not miner hopping from one coin to another.
These trust keys will be important parts of the network going forward... first we must get the base protocol level of this done and then we can discuss why these trust keys are so important for the future of protocol.