[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGE9CcZ472UzzwAUiIxj1qLEN0wSr1To24XCZXlCiUx4":3},{"slug":4,"display_name":5,"profile_url":6,"plugin_count":7,"total_installs":8,"avg_security_score":9,"avg_patch_time_days":10,"trust_score":11,"computed_at":12,"plugins":13},"richeyweb","RicheyWeb","https:\u002F\u002Fprofiles.wordpress.org\u002Fricheyweb\u002F",1,0,100,30,94,"2026-08-29T08:22:10.280Z",[14],{"slug":15,"name":16,"version":17,"author":5,"author_profile":6,"description":18,"short_description":19,"active_installs":8,"downloaded":20,"rating":8,"num_ratings":8,"last_updated":21,"tested_up_to":22,"requires_at_least":23,"requires_php":24,"tags":25,"homepage":31,"download_link":32,"security_score":9,"vuln_count":8,"unpatched_count":8,"last_vuln_date":33,"fetched_at":34},"captcha-hashcash","HashCash – Proof of Work CAPTCHA","1.0.10","\u003Cp>\u003Cspan class=\"embed-youtube\" style=\"text-align:center; display: block;\">\u003Ciframe loading=\"lazy\" class=\"youtube-player\" width=\"750\" height=\"422\" src=\"https:\u002F\u002Fwww.youtube.com\u002Fembed\u002FHbzP1NsaiwI?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\">\u003C\u002Fiframe>\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>HashCash\u003C\u002Fstrong> stops spam by making the visitor’s browser do the work — not the visitor.\u003C\u002Fp>\n\u003Cp>While your user fills out a form, HashCash runs a cryptographic proof-of-work calculation silently in the background. By the time they hit Submit, the work is done. No checkbox to click. No images to identify. No third-party service watching over their shoulder.\u003C\u002Fp>\n\u003Cp>This is the WordPress port of a Joomla plugin with a 12-year track record — originally released three years before Google launched reCAPTCHA v3. The core idea hasn’t changed: spam protection should be invisible to real users and brutal to bots.\u003C\u002Fp>\n\u003Cp>\u003Cstrong>What makes HashCash different:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Cstrong>No third-party services.\u003C\u002Fstrong> No reCAPTCHA, no hCaptcha, no Cloudflare Turnstile. Nothing phones home.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>No tracking, no cookies.\u003C\u002Fstrong> GDPR and CCPA friendly by design, not by policy.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Nothing for users to solve.\u003C\u002Fstrong> A brief “Securing this form…” indicator appears while the calculation runs — that’s it. No puzzles, no clicks, no friction.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Logged-in users are exempt.\u003C\u002Fstrong> Trusted users never see the indicator at all.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Adjustable difficulty.\u003C\u002Fstrong> SHA-256 at level 1 by default for maximum compatibility. Argon2id available for sites that need state-of-the-art memory-hard hashing.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Bot punishment mode.\u003C\u002Fstrong> Suspicious behavior triggers difficulty so high the proof-of-work becomes computationally unsolvable. The bot spins forever. Legitimate users never notice.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Automatic protection.\u003C\u002Fstrong> Works out of the box on WordPress comments, login, registration, lost password, and Contact Form 7. No configuration required.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Supported hash algorithms:\u003C\u002Fstrong>\u003Cbr \u002F>\n* SHA-256 (default — fast, broadly compatible)\u003Cbr \u002F>\n* SHA-384 \u002F SHA-512\u003Cbr \u002F>\n* PBKDF2\u003Cbr \u002F>\n* PBKDF2 (64KB)\u003Cbr \u002F>\n* Argon2id (recommended for maximum security — requires PHP sodium extension)\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Works automatically with:\u003C\u002Fstrong>\u003Cbr \u002F>\n* WordPress comment forms\u003Cbr \u002F>\n* WordPress login form\u003Cbr \u002F>\n* WordPress registration form\u003Cbr \u002F>\n* WordPress lost password form\u003Cbr \u002F>\n* Contact Form 7\u003C\u002Fp>\n\u003Cp>\u003Cstrong>Add to any other form:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>Use the shortcode \u003Ccode>[hashcash]\u003C\u002Fcode> to add protection to any form on your site.\u003C\u002Fp>\n\u003Ch3>Support\u003C\u002Fh3>\n\u003Cp>For support, feature requests, or custom integrations:\u003Cbr \u002F>\nhttps:\u002F\u002Fwww.richeyweb.com\u002F\u003C\u002Fp>\n\u003Cp>HashCash for WordPress is maintained by Michael Richey — author of the original Joomla HashCash plugin, with over 12 years of proof-of-work CAPTCHA development.\u003C\u002Fp>\n","Invisible Proof-of-Work CAPTCHA. No checkboxes, no image grids, no Google, no tracking. Just spam protection that gets out of the way.",91,"2026-06-15T17:07:00.000Z","7.0.2","6.0","7.4",[26,27,28,29,30],"anti-spam","antispam","captcha","contact-form-7","proof-of-work","https:\u002F\u002Fwww.richeyweb.com\u002Fsoftware\u002Fwordpress\u002Fplugins\u002Fcaptcha-hashcash","https:\u002F\u002Fdownloads.wordpress.org\u002Fplugin\u002Fcaptcha-hashcash.1.0.10.zip",null,"2026-07-22T17:31:50.256Z"]