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mCaptcha: Proof of work based, privacy respecting CAPTCHAgithub.com/mCaptcha/mCaptcha
428 sats \ 13 comments \ @EnormousPony 4 Aug 2022 bitcoin
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Inverted CAPTCHAs
728 sats \ 15 comments \ @ek 29 Aug AI
The Art of Invisibility by Kevin Mitnick | Mitnick Securitywww.mitnicksecurity.com/the-art-of-invisibility-mitnick-security
2366 sats \ 21 comments \ @ek 23 Feb 2024 privacy
Mobile Bot Farms are Evolving (proof-of-work is needed)
1062 sats \ 9 comments \ @nullcount 23 Mar 2024 tech
Identity verification, a trouble in Nostr paradise
1117 sats \ 11 comments \ @phygit 8 Mar 2023 nostr
Domain Spoofing Mutiny Wallet’s Websitewww.psacramento.com/domain-spoofing-mutiny-a-web-based-bitcoin-wallet/
4926 sats \ 5 comments \ @psacramento 15 Feb 2024 bitcoin freebie
the captcha paradoxtalkingrobot.com/2025/05/the-captcha-paradox/
311 sats \ 4 comments \ @deSign_r 16 Jun Design
Happy Birthday Hashcash: Proof of Work Applied To Emails
553 sats \ 8 comments \ @0xbitcoiner 1 Aug 2024 bitcoin
Cryptographers Are Getting Closer to Enabling Fully Private Internet Searcheswww.wired.com/story/cryptographers-fully-private-internet-searches-cybersecurity-databases-privacy/
2587 sats \ 5 comments \ @jakoyoh629 21 Jan 2024 crypto
Introducing easywallet: a simple and secure brainwallet
3061 sats \ 6 comments \ @easywallet 24 Jan 2024 bitcoin
Privacy on nostr and the war on AI scrapers
2600 sats \ 17 comments \ @ssats 4 Jul 2023 nostr
DOOM CAPTCHA: verify you're human by playing DOOM and killing at least 3doom-captcha.vercel.app/
848 sats \ 8 comments \ @sime 1 Jan tech
CAPTCHAs are getting ridiculous
621 sats \ 14 comments \ @SimpleStacker 16 Jun tech
Introducing BetterStrike: Anonymous Strike Wallet through Tor
703 sats \ 12 comments \ @olivertwist 3 Mar bitcoin
Proof-of-Work Defense for Onion Servicesblog.torproject.org/introducing-proof-of-work-defense-for-onion-services/
10.3k sats \ 8 comments \ @hn 24 Aug 2023 tech
Zero-Knowledge Proofs of Training for Deep Neural Networkseprint.iacr.org/2024/162
2026 sats \ 5 comments \ @0xbitcoiner 5 Feb 2024 crypto
A thought on JavaScript "proof of work" anti-scraper systemsutcc.utoronto.ca/~cks/space/blog/web/JavaScriptScraperObstacles
96 sats \ 0 comments \ @kepford 29 May devs
AI Beats ReCAPTCHAwww.perplexity.ai/page/ai-beats-recaptcha-Dh0_eAcEQdCWaBbMe5wvyw
206 sats \ 6 comments \ @ContraMundum 26 Sep 2024 Design
Cryptography is Not Enough | dergigi.comdergigi.com/2022/09/10/cryptography-is-not-enough/
1315 sats \ 3 comments \ @kr 11 Sep 2022 bitcoin
Pollerama: A nostr based polls app with Proof of Work/Contact Lists filtering.pollerama.fun
215 sats \ 2 comments \ @abh3po 10 Sep 2024 nostr
Labour Relay: A New Proof of Work Relay by Fiatjaflabour.fiatjaf.com/
573 sats \ 3 comments \ @Rsync25 20 Aug 2024 nostr
At 20 years old, Reddit is defending its data and fighting AI with AIwww.cnbc.com/2025/06/28/reddit-20-fighting-ai-defending-data.html
332 sats \ 2 comments \ @Coinsreporter 28 Jun AI