In a network of trust with, say, 100,000 people, it only takes one or a few people to spot the bot and decide to distrust it. Once that happens, the rest of the network gets the signal that the account isn’t trustworthy, and most people won’t even see the spam. Instead of everyone having to individually check if the content is valid, the Web of Trust allows for the community to quickly filter out the bad actors. It’s like crowdsourced spam protection—one or two people deal with it, and the rest benefit from it.

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