A Bitcoin node is a computer that runs Bitcoin software to validate and relay transactions across the network. Like servers in a traditional financial system, nodes store a complete copy of the ...

Classic Graph Convolutional Networks (GCNs) often learn node representation holistically, which would ignore the distinct impacts from different neighbors when aggregating their features to update a ...

Doing so requires the use of a third node acting as a kind of mediator – for simplicity’s sake, the team has named the three nodes Alice, Bob and Charlie, each of which contains a diamond-based qubit.