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    4 editions·55 challenges·2018–2022

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    2022202120202018
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    2022

    16 challengesCTFtime

    blockchain3

    blocker
    bread_bank
    cookie_market

    crypto4

    ChristmasEncryptionStandard
    SecureCommunications
    StrangeCircles
    TheCarolCorruptor

    pwn5

    KrampusGifts
    KrampusGreetings
    LaplandBeacon
    NaughtyList
    santascomplainthotline

    rev4

    DontTrustSnakes
    ElftekSecureEngineV2
    GimisWonderland
    Presents

    2021

    24 challengesCTFtime

    crypto6

    Gnome_Oriented_Programming
    How_the_Grinch_stole_the_cryptographic_key
    One_Time_Present
    Santas_Secret_Encoding_Machine
    Still_Two_Bad_Reindeer
    Worst_two_reindeer

    pwn6

    DNA_Hack
    elfsecretary
    Elftek_Secure_Execution_Engine
    initialkrampus
    Santas_Tobacco_Shop
    WeX

    rev10

    8-Bit_Picasso
    Ahoy
    Champion_gene
    Intensive_training
    Lapland_Crackme
    Snake_ransomware
    Super_insecure_licensing_system
    The_grinch
    TinyVM
    Waking_up_in_the_Matrix

    web2

    imagehub
    quotehub

    2020

    9 challengesCTFtime

    misc7

    doiknowyou
    euphorbia_pulcherrima
    galois_love_letters
    lil_wishes_db
    mmap
    naughty
    ready_for_xmas

    santasdatabasegoskrrr2

    dist
    src

    2018

    6 challengesCTFtime

    misc6

    Greetings_from_Santa
    I_want_that_toy
    Pinkie_Gift
    Random_Present
    The_Calculator
    The_Calculator_2.0
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