First of all, I like DMS-style securities, so yay!
Secondly, I have 2 questions:
1) Are you aware that there is a critical error in the calculations in your difficulty-increase example?
2) How will you handle exchanges of the EXCH asset for MINE & SELL? Manual (if so, how frequently) or automatic?
Glad to hear it! I've missed DMS, so I'm excited to bring a form of it back to the market.
1) I've went cross-eyed writing this over the weekend; do you mind pointing it out for me? If it's the 'Difficulty is 1,000,000' part, I'm realizing that I left that in and should not have.
2) EXCH will be manual, but I am on internet from around 9-5 Eastern on weekdays and am normally Internet connected outside of those hours as well. I'll be checking throughout the day to see what comes in, but transfers will be most often done between 7AM to 11PM/12AM Eastern Time. All transfers will be processed within 24 hours.
Regarding 1): The error is in the calculation of the fund reserve after a difficulty change (and consequently the SELL dividend) in both the written example and the figures. I'll leave the rest as an exercise for the reader, since this correctness of this calculation is rather crucial for the entire asset.
Both Havelock and I have agreed that a funds-lock on the Issuer account (how the set up all Issuer accounts) would be the best for the speculators. I have thought of the possibility your scenario; I know that I won't run with the funds, but no one else can know that as a certainty. Allowing fund buy-backs is a crucial part of the speculation process, so I didn't want to get rid of that part. I'm open to any other options that speculators might propose for increased capital security.
There is no way to guarantee that the issuer doesn't cheat investors in some way unless Havelock operates the fund (in which case, investors have to trust Havelock, which they have to anyway since it's on their platform). So trust in you is still required. This is not necessarily a bad thing, but it does mean that measures like funds held in escrow are not very effective.
eltopo was in the same situation when he launched his ET.DIFF securities on BTCT, where he wanted to provide a similar level of security through a locked account, but it turned out it was not possible.