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What's the difference?

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All stages · Demo 133

Shannon bar

Choice PIN / phrase / random. Entropy is `H·len` in JavaScript. Four digits are 8 bits, not “pretty guessable.”

ChoicePassword entropy in Math

A filling bar. Magenta is bits. A passphrase clears 60; a PIN never does.

replayclass —bits —

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STANDBY

All 4056 stages

Educational stage on jev.page — not the official TypeSafe console. Live calls go to POST https://api.typesafe.ai/v1/systemone from your browser when you paste a key. Without a key, the stage plays a recorded decision shaped like jev-1.13.0. Jev does not write the UI copy.