ADVENT CALENDAR PUZZLE 14

Solution:

• METADATA: 64 char Seed is hidden in the mp3 metadata, simply copy and paste.
• MNEMONIC: A voice speaks 24 mnemonic words to unlock a wallet.
• REVERSE SEED: A voice speaks 64 char seed backwards, reverse the audio to solve.
• MORSE: Melody between 00:36 and 01:29 is morse code, convert to text to reveal bit.ly url to a text file with a 64 char seed.
• BINARY: Melody between 04:01 and 04:55 is binary code (low note 0, high note 1), convert to ASCII text to reveal bit.ly url to a text file with a 64 char seed
• MELODY: Melody between 02:09 and 02:41 is itself a seed, the value of the 64 notes (A-G on a keyboard) tell you the characters in sequence. As seeds are only supposed to contain the letters A-F being Hex based, there's a clue at the very end of the mp3 that tells you that each G note is actually the number 5. Replace every G with the number 5 for the correct 64 char seed.