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I assume it's tracked in a DB (inb4 blockchain) somewhere so you can't downvote the same comment twice.

• fouc 8y ago
  I was talking about HN users figuring out who is downvoting. Of course HN has it in its own database, but I don't think that bit of information is publicly exposed.
• krapp 8y ago
  >I assume it's tracked in a DB (inb4 blockchain) Lisp tables in flat files, actually.