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Source: [Hacker News](https://higher-categorical-semantics.pages.dev/research/observation-preserving-runtime-gates-and-checkpoint-semantics-for-adaptive-learning-b1a5ec84)
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The recent XRP Ledger vulnerability attracted attention because of one dramatic number: 18 trillion XRP. But that number can be misleading without context. No one actually minted 18 trillion XRP on the public XRP Ledger.
A common failure mode in corporate e-learning is optimising for completion rather than competence. Employees click through slides, pass a short quiz, and the LMS records that training happened. That proves attendance; it does not necessarily prove that somebody can make the right decision when ...
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