How to Crack GCHQ Crypto Puzzle? — Here's the Solution

GCHQ has finally released the solution to their head spinning Xmas Puzzle, after all, the participants failed to reach the final answer. GCHQ had released a crypto puzzle, dubbed Xmas Puzzle, on 9th December in the form of a Christmas Card that went viral online soon after its release. Nearly 600,000 people shot a "Go" for the challenge since early December, but only 30,000 had made it

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