diff --git a/set1/hex2base64/Cargo.lock b/set1/challenge1_hex2base64/Cargo.lock
similarity index 100%
rename from set1/hex2base64/Cargo.lock
rename to set1/challenge1_hex2base64/Cargo.lock
diff --git a/set1/hex2base64/Cargo.toml b/set1/challenge1_hex2base64/Cargo.toml
similarity index 100%
rename from set1/hex2base64/Cargo.toml
rename to set1/challenge1_hex2base64/Cargo.toml
diff --git a/set1/hex2base64/src/main.rs b/set1/challenge1_hex2base64/src/main.rs
similarity index 100%
rename from set1/hex2base64/src/main.rs
rename to set1/challenge1_hex2base64/src/main.rs
diff --git a/set1/xor_cipher/Cargo.lock b/set1/challenge2_xor_cipher/Cargo.lock
similarity index 100%
rename from set1/xor_cipher/Cargo.lock
rename to set1/challenge2_xor_cipher/Cargo.lock
diff --git a/set1/xor_cipher/Cargo.toml b/set1/challenge2_xor_cipher/Cargo.toml
similarity index 100%
rename from set1/xor_cipher/Cargo.toml
rename to set1/challenge2_xor_cipher/Cargo.toml
diff --git a/set1/xor_cipher/src/main.rs b/set1/challenge2_xor_cipher/src/main.rs
similarity index 100%
rename from set1/xor_cipher/src/main.rs
rename to set1/challenge2_xor_cipher/src/main.rs
diff --git a/set1/fixed_xor/Cargo.lock b/set1/challenge3_fixed_xor/Cargo.lock
similarity index 100%
rename from set1/fixed_xor/Cargo.lock
rename to set1/challenge3_fixed_xor/Cargo.lock
diff --git a/set1/fixed_xor/Cargo.toml b/set1/challenge3_fixed_xor/Cargo.toml
similarity index 100%
rename from set1/fixed_xor/Cargo.toml
rename to set1/challenge3_fixed_xor/Cargo.toml
diff --git a/set1/fixed_xor/src/main.rs b/set1/challenge3_fixed_xor/src/main.rs
similarity index 100%
rename from set1/fixed_xor/src/main.rs
rename to set1/challenge3_fixed_xor/src/main.rs
diff --git a/set1/detect_xor/4.txt b/set1/challenge4_detect_xor/4.txt
similarity index 100%
rename from set1/detect_xor/4.txt
rename to set1/challenge4_detect_xor/4.txt
diff --git a/set1/detect_xor/Cargo.lock b/set1/challenge4_detect_xor/Cargo.lock
similarity index 100%
rename from set1/detect_xor/Cargo.lock
rename to set1/challenge4_detect_xor/Cargo.lock
diff --git a/set1/detect_xor/Cargo.toml b/set1/challenge4_detect_xor/Cargo.toml
similarity index 100%
rename from set1/detect_xor/Cargo.toml
rename to set1/challenge4_detect_xor/Cargo.toml
diff --git a/set1/detect_xor/src/main.rs b/set1/challenge4_detect_xor/src/main.rs
similarity index 100%
rename from set1/detect_xor/src/main.rs
rename to set1/challenge4_detect_xor/src/main.rs