September 2018 Social Media Puzzle

This puzzle was released over a series of social media posts by SpacePirate Games featuring Age of Rust content with puzzle pieces hidden inside.

Puzzle
The puzzle was distributed over 5 different social media posts: The first post contained some lore and displayed the following: 42 6f 6f 74 20 53 65 63 74 6f 72 20 30 0a 4c 6f 61 64 69 6e 67 20 65 6e 63 72 79 70 74 69 64 6e 20 6b 65 79 20 69 6e 74 6f 20 52 41 4d 0a 31 20 6f 66 20 36 20 37 39 31 38 62 31 61 63 66 30 63 63 66 30 63 0a 44 65 63 72 79 70 74 69 6e 67 20 54 55 43 41 4e 41 20 49 56 20 4f 53 20 76 20 38 38 2e 32 0a 4c 6f 61 64 69 6e 67 20 6b 65 72 6e 65 6c 20 64 72 69 76 65 72 73 0a 42 6f 6f 74 20 68 61 63 6b 20 2d 20 30 78 63 31 61 46 65 36 37 30 63 44 43 45 45 38 43 61 39 36 35 66 41 66 31 41 43 42 34 33 41 43 34 32 61 24 39 46 64 32 Which when decoded to ASCII gives: Boot Sector 0 Loading encryption key into RAM 1 of 6 7918b1acf0c Decrypting TUCANA IV OS v 88.2 Loading kernel drivers Boot hack - 0xc1aFe670cDCEEE8Ca965fAf1ACB43AC42ba49Fd2 Contained here is the first piece of the puzzle, information about the puzzle saying this is part 1 of 6, and the Ethereum prize address: 0xc1aFe670cDCEEE8Ca965fAf1ACB43AC42ba49Fd2
 * 1) https://twitter.com/SpacePirate_io/status/1040353949738393600
 * 2) https://twitter.com/SpacePirate_io/status/1042216045778366464
 * 3) https://vimeo.com/291008515
 * 4) https://twitter.com/SpacePirate_io/status/1046186408824586240
 * 5) https://twitter.com/SpacePirate_io/status/1049450435503742977

Reward

 * 0.25ETH

Solution
The solution is found by combining all the fragments given in the social media posts.

The fragments are hidden in various places throughout the videos and are as follows: Boot Sector - 7918b1acf0c Brick Puzzle - 9f2b83251f1 NX City - 15F698CA008 Secret Door - 6c8f6b0fc86 The final tweet contains two fragments: 89w4981z72s t79zu8775 These two fragments need to be ciphered with the vigenere cipher with key "rust" to give: 89f4981f72a c79fc0775 Combining these all together gives the private key to claim the prize: 7918b1acf0c9f2b83251f115F698CA0DB6c8f6b0fc8689f4981f72ac79fc0775