Hidden in blog post #4 linked in the quoted tweet is the seed phrase to a Cashtab.com wallet holding 2M $XEC . Follow the clues and be the first to solve the puzzle to claim the prize. There's a link at the bottom you can check to see if the prize has already been claimed.
Clues:
1. Take the total number of words in the first paragraph, divide by two, and subtract one. The word you're looking for can be found in that position of the first paragraph and is the eighth word in the seed phrase.
2. The first two seed words can be found adjacent to each other and appear in order as the last two words of a paragraph.
3. The remaining nine words can be found in the final three paragraphs.
4. The 11th word is a fruit.
5. Words 3, 9, and 6 are in the fifth paragraph--which contains a total of 21 bip39 words--and appear in that order. They are the 4th, 16th, and 20th bip39 words that appear in the paragraph.
6. Words 4, 7, and 10 are in the sixth paragraph. They all contain the letter l and appear in reverse order.
7. Words 5 and 12 are in the final paragraph. Word 5 is habit.
explorer.e.cash/address/ecash