Nick Johnson: description of quorum slices is opaque in the draft, though clear in the slides
Nick: What is the model for adding new mappings? Are they defined at deployment time, during upgrades, etc?
The consensus algorithm should not impact throughput at all, only latency, since you can amortize a single round of consensus over an arbitrary number of transactions.
David: Why do you need a blockchain or append only log for this application? What is the threat?
David: What prevents malicious node from sending a bad registers (e.g. RLOCs)?