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 The only thing that are not validated are those btc second layers, have a look on what blockDAG is, and how kaspa really works, then we talk again. 
 I am extremely well versed in kaspa's protocol on a technical level, as I am with several other protocols including bitcoin.  I have 25 years as a professional software engineer and 6 years in this space specifically.  I can assure you that if you run a node on Kaspa's network it does not validate all the blocks nor all the transactions. 
 I'm running a node 24/7 over a year, making transactions almost everyday, never had a problem, never saw an invalidated node, you must have done something wrong. 
 You seem to have misunderstood me.  Yes you can run a node on Kaspa.  No, your node is NOT validating all blocks and all transactions on the network.  Therefore kaspa is not a trustless network since YOUR node cannot fully validate the network.  Your node only validates some of the blocks and is therefore relying on other nodes to help.

This has the effect of making some nodes more important that others, in particular nodes that are running in massive racks of servers in low latency datacenters, which is the only way to independently validate the entire DAG.