When first using Graphistry to analyze cryptocurrency transactions, a couple years ago, we did a cool mix of temporal (vs 1816) + poisoning. Full taint analysi

When first using Graphistry to analyze cryptocurrency transactions, a couple years ago, we did a cool mix of temporal (vs 1816) + poisoning. Full taint analysis... except only consider tainted after the first tainted transaction date. We loaded the full blockchain into memory and then ran this on the Silk Road bust. Real-time, pretty cool! It worked quite nicely, and we quickly reproduced what showed up in court... and with some fun extras. Combining the temporal (NOT 1816) and taint approach was a good way to trace the incident. Superimposing on regular (atemporal) taint analysis gives a broader view of the crime network beyond the individual incident. As folks are noting here, tumblers and exchanges still make this a mess, even for 1816. They can go off-chain. However, those are generally where governments want to intervene anyways. Either way, we traced the full incidents, including how the silk road was moving money around, with our approach. If you're into this kind of thing, professionally or for fun, let us know! Wouldn't be hard to repeat with more specific variants of 1816.