Are mnemonic phrase order-sensitive? Is it important to remember just the set of the words, or also their order?
If I kept them without the correct order. Can I easily decrypt my wallet?
The order is important.
If you have 24 different words but don't know the order, you have to try up to 24 factorial permutations. That is around 620448401733239439360000 different attempts. This may take a very long time and cause you great anxiety, unhappiness and self-recrimination.

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