Historical Bitcoin Riddle archive. Answer checking still works; prizes, payments, submissions and email notifications are retired. About this archive
Back to the home
---------------------------------------- FAQ & Tips ---------------------------------------- These riddles were published many years ago. There are no active prizes, payments or new submissions. Enter an answer and unlock each chest to continue. Answers ignore case and surrounding whitespace. Periods, slashes and hyphens are ignored, as before. All published hints are now available for free. Progress lasts for your browser session and may reset when the server is restarted. No account is required. Historical keys and addresses are puzzle artifacts. Do not send coins to them. Old payment and notification links no longer initiate transactions or send email.