Randomiser's Cryptmas Special

Main Prize (.05 BTC):

1DF9Ud7j56MCWGyuRDc7PC57Y3ELR1Ei3V

Intermediate Prizes (.01 BTC each):

1CANDyFBeDugDHFJFjNF5SS9i8j6AHQjzW

1MUsiCb7jRpju64PNDzGkQ8Af1BVtU4Mst

1BoXeSdmyuTCyfMYgMiahtd271e7uDY9f3

1CubeR2xJhhetHDUKf45Evcpfjcjabcc2E

1BLAckiQDgvqhF95ufBj4d55ivZ4mnveZU

1Pandc1sg7wgBpPXBZD7jzRWFZRhmmsXsX

Choose a box, and get to solving!

The first person to successfully open a present can claim that box's prize.

The first person to open all presents has a chance to claim the main prize.

Merry solving!

Note: An incorrect answer results in a 6 second timeout before another answer can be submitted. Requests sent while the input field is locked will be ignored. Please do not attempt to bypass this timeout; Attempting to bruteforce or sending too many dropped requests a minute will be met with automated ban.