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> ...hooked to real-world data feeds I think that's what is meant by "a trusted source of information from the outside world". You can have as many layers of s

> ...hooked to real-world data feeds I think that's what is meant by "a trusted source of information from the outside world". You can have as many layers of smart, trustless technology as you want sitting between the dapp and the data source, but it always comes back to relying on a trusted (and potentially corrupt/compromised) real-world source. Maybe it has to be multiple independent sources? Sorry - there's still no way for those sources to cryptographically disprove any collusion.

philipodonnell 9y ago
> There's still no way for those sources to cryptographically disprove any collusion Honest question, do blockchains do this? My understanding is that blockchains operate under the assumption that collusion is common and bad actors are rampant and are designed to mitigate it, not that they can prove collusion is not happening. Hypothetically, if every mining node provided a real-world value in every broadcast, then wouldn't the consensus mechanism operate as an oracle just like the transactions operate as a ledger?