Cap (CAPTCHA)
Privacy-first, open-source, self-hosted CAPTCHA alternative with proof-of-work and instrumentation challenges.
Install
bun add @cap.js/servernpm i @cap.js/serverSimilar in the index
- LastSignal Self-hosted dead man's switch that sends encrypted messages if you stop responding.
- Hijacking e164.arpa How an abandoned domain gave control over phone-network infrastructure.
- Magic links: use an interstitial confirm page Email scanners pre-fetch magic links and burn the token; add an interstitial page.
- Run a Tor Snowflake proxy Tor Project guide to running a Snowflake proxy that helps censored users reach Tor.
- Six free GitHub security settings Six GitHub settings maintainers can enable in under 30 minutes.