💂‍♂️❓➡️🤫✅

#drowssap #watchword #sentry duty #guard challenge #secret signal #challenge-response #military sign #access granted

👤❓➡️✅

#user authentication #who are you #challenge-response #authentication process

🥊➡️🧬💪

#nah I'd adapt #challenge-response #overcome

🔒🖥️✅

#captcha #website security #access control #bot filtering #verification passed #online security #challenge-response

⚔️⚖️🔥

#trial by combat #ordeal response #medieval justice #divine judgement #judicial combat #medieval law response #challenge-response