CoinBLAS

Bitcoin blockchain graph analysis with the GraphBLAS. (by Graphegon)

CoinBLAS Alternatives

Similar projects and alternatives to CoinBLAS

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better CoinBLAS alternative or higher similarity.

CoinBLAS reviews and mentions

Posts with mentions or reviews of CoinBLAS. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-05.
  • The "missing" graph datatype already exists. It was invented in the '70s
    6 projects | news.ycombinator.com | 5 Mar 2024
    When you consider that a graph and a matrix are isomorphic, doing vector matrix multiplication takes a vector with a set value, say row 4, and multiplies it by a matrix where row 4 has values present that represent edges to the nodes that are adjacent to it (ie "adjacency" matrix). The result is a vector with the next "step" in a BFS across the graph, do that in a loop and you step across the whole graph.

    A cool result of this is, for example, taking an adjacency matrix and squaring it is the "Friend of a Friend" graph. It takes every node/row and multiplies it by itself, returning a matrix that are adjacent to the adjacencies of each node, ie, the friends (adjacencies of the adjacencies) of friends (adjacencies) of the nodes.

    Deeper traversal are just higher nodes, a matrix cubed are the friends of the friends of the friends.

    A picture is worth a thousand words, see figure 7 of this paper:

    https://arxiv.org/pdf/1606.05790.pdf

    Also check out figure 8, this shows how incidence matrices can work to represent hyper and multi graphs. An pair of incidence matrices reprsent two graphs, one from nodes to edges and the other from edges to nodes, these are n by m and m by n. When you multiply them, you get a square adjacency matrix that "projects" the incidence into an adjacency. This can be used to collapse hypergraphs into simple graphs that use different semirings to combine the multiple edges.

    For some pretty pictures of this kind of stuff, check out CoinBLAS (note I am not a crypto-bro, it was just a very handy extremely large multi-graph that I could easily download in chunks to play with):

    https://github.com/Graphegon/CoinBLAS/

  • Ask HN: What Are You Working On?
    100 projects | news.ycombinator.com | 14 Jan 2021
    Python wrapper around The GraphBLAS API:

    https://github.com/michelp/pygraphblas

    For an upcoming paper we've open sourced using pygraphblas to analyse the bitcoin graph using the GAP benchmarks on a server with 1TB of RAM:

    https://github.com/Graphegon/CoinBLAS

  • Show HN: CoinBLAS – Bitcoin Analysis with the GraphBLAS
    1 project | news.ycombinator.com | 3 Jan 2021
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    www.influxdata.com | 19 Apr 2024
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almost 3 years ago
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