This is the website of Gwern Branwen, writer & independent researcher. I am most interested in psychology, statistics, and technology; I am best known for my writings on the darknet markets & Bitcoin, blinded self-experiments & Quantified Self analyses, dual n-back & spaced repetition, and modafinil.

For information about my site’s philosophy, method, traffic statistics, and implementation, see the About page; for information about myself, my use of other websites, and contact information, see the Links page; for information about new pages, see the Changelog; to receive updates, news, & reviews, subscribe to the newsletter (archives).

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