chris
8b1e89cf04
Lower ALTCHA cost to 2000
...
50000 was taking >1 minute on some devices. 2000 should be ~1-2s in
most browsers while still being meaningful work for bots. The HMAC
key and expiration are the real security — cost is just friction.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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..
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