In a new analysis of Bitcoin mining, Ittay Eyal shows that the equilibrium between miners is unstable, and identifies a stable equilibrium that might, as a side effect, reduce the size of open, public mining pools.
It's time to secure data in NoSQL databases with strong
guarantees, at fine granularity, and with low overhead.
Macaroons, from Google, are designed for this purpose. This
post shows have Macaroons can be used in HyperDex to secure