In this post, we discuss when and why it makes sense to shard a graph.

ChangeTip Must Die

There is a new craze in the Bitcoin world, and it's not good for Bitcoin.
We built a new distributed graph store, called Weaver, that can perform ACID transactions on graphs. The alpha version is available, this post shows the first few steps on how to use it.
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.
State of computer security remains dismal, as evidenced by the lengths Bitcoin users must go through to secure their digital assets.
Custom consistency models, which differ on how weak they are, are no good if they can't outperform strong consistency.
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 NoSQL data.
HyperDex 1.5.0 release, with authorization
HyperDex now supports documents and Node.js. This post describes how to write Node programs using HyperDex as a document store.
Our latest point release includes a Linux portable binary that installs (practically) anywhere with a few short shell commands.