diff --git a/content/roadmaps/101-backend/content/111-web-security-knowledge/104-scrypt.md b/content/roadmaps/101-backend/content/111-web-security-knowledge/104-scrypt.md
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--- a/content/roadmaps/101-backend/content/111-web-security-knowledge/104-scrypt.md
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-# Scrypt
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+# Scrypt
+
+Scrypt (pronounced "ess crypt") is a password hashing function (like bcrypt). It is designed to use a lot of hardware, which makes brute-force attacks more difficult. Scrypt is mainly used as a proof-of-work algorithm for cryptocurrencies.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://en.wikipedia.org/wiki/Scrypt'>Wikipedia - Scrypt</BadgeLink>