diff --git a/Base/usr/share/man/man1/checksum.md b/Base/usr/share/man/man1/checksum.md
index a63dedbd67..2bb7ca02e2 100644
--- a/Base/usr/share/man/man1/checksum.md
+++ b/Base/usr/share/man/man1/checksum.md
@@ -5,6 +5,7 @@ checksum - helper program for calculating checksums
 ## Synopsis
 
 ```**sh
+$ b2sum [options...] <file...>
 $ md5sum [options...] <file...>
 $ sha1sum [options...] <file...>  
 $ sha256sum [options...] <file...>  
@@ -14,7 +15,7 @@ $ sha512sum [options...] <file...>
 ## Description
 
 This program calculates and print specified checksum of files. It cannot be run directly, only
-as `md5sum`, `sha1sum`, `sha256sum` or `sha512sum`. A non-zero exit code is returned if the
+as `b2sum`, `md5sum`, `sha1sum`, `sha256sum` or `sha512sum`. A non-zero exit code is returned if the
 input cannot be read. If the '--check' option is used, a non-zero exit code is also returned
 if the checksums cannot be verified.
 
diff --git a/Meta/build-root-filesystem.sh b/Meta/build-root-filesystem.sh
index a7c20477b3..8eba6b81bd 100755
--- a/Meta/build-root-filesystem.sh
+++ b/Meta/build-root-filesystem.sh
@@ -200,6 +200,7 @@ ln -sf /bin/env mnt/usr/bin/env
 echo "done"
 
 printf "installing 'checksum' variants... "
+ln -sf checksum mnt/bin/b2sum
 ln -sf checksum mnt/bin/md5sum
 ln -sf checksum mnt/bin/sha1sum
 ln -sf checksum mnt/bin/sha256sum
diff --git a/Userland/BuggieBox/main.cpp b/Userland/BuggieBox/main.cpp
index 52442c9210..8ce7724465 100644
--- a/Userland/BuggieBox/main.cpp
+++ b/Userland/BuggieBox/main.cpp
@@ -10,6 +10,7 @@
 #include <Userland/Shell/Shell.h>
 
 #define ENUMERATE_UTILITIES(E, ALIAS) \
+    ALIAS(b2sum, checksum)            \
     E(cat)                            \
     E(checksum)                       \
     E(chmod)                          \
diff --git a/Userland/Utilities/checksum.cpp b/Userland/Utilities/checksum.cpp
index d5386d6c62..3a497ef3a0 100644
--- a/Userland/Utilities/checksum.cpp
+++ b/Userland/Utilities/checksum.cpp
@@ -19,7 +19,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto program_name = LexicalPath::basename(arguments.strings[0]);
     auto hash_kind = Crypto::Hash::HashKind::None;
 
-    if (program_name == "md5sum")
+    if (program_name == "b2sum")
+        hash_kind = Crypto::Hash::HashKind::BLAKE2b;
+    else if (program_name == "md5sum")
         hash_kind = Crypto::Hash::HashKind::MD5;
     else if (program_name == "sha1sum")
         hash_kind = Crypto::Hash::HashKind::SHA1;
@@ -29,7 +31,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         hash_kind = Crypto::Hash::HashKind::SHA512;
 
     if (hash_kind == Crypto::Hash::HashKind::None) {
-        warnln("Error: program must be executed as 'md5sum', 'sha1sum', 'sha256sum' or 'sha512sum'; got '{}'", program_name);
+        warnln("Error: program must be executed as 'b2sum', 'md5sum', 'sha1sum', 'sha256sum' or 'sha512sum'; got '{}'", program_name);
         exit(1);
     }