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    TJCTF

    6 editions·183 challenges·2020–2026

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    202620252024202320222020
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    2026

    34 challengesCTFtime

    crypto10

    bit_leak
    celestial_vault
    crashout
    minervas_stopwatch
    multiplication_as_a_service
    squares
    stained_glass
    TAUtology
    trust_issues
    wavy

    forensic10

    check_the_fine_print
    invisible_ink
    loud_packets
    obscure_crusher_1
    obscure_crusher_2
    skeleton
    thomas_schools_of_china
    triplets
    unfinished_file
    voice_in_the_packet

    misc5

    dancing_bird
    delta_doodle
    glitch
    mind_blasters
    mind_blowers

    pwn3

    Greetings
    hunting_field
    Ox78

    rev4

    maze_escape
    polaroid
    remoose
    rotated

    web2

    chained
    free_cloud_storage

    2025

    37 challengesCTFtime

    crypto8

    alchemist_recipe
    bacon_bits
    close_secrets
    dotdotdotv2
    double_trouble
    pseudo_secure
    seeds
    theartofwar

    forensic8

    album_cover
    deep_layers
    footprint
    hidden_message
    packet_palette
    quant
    thats_pietty_cool
    vr_keylog

    misc7

    airport
    golf_hardester
    guess_my_number
    linkedout_recon
    make_groups
    masked
    mouse_trail

    pwn6

    buggy
    city_planning
    extra_credit
    i_love_birds
    linked
    wrong_warp

    rev6

    artifact
    config
    guess_again
    neural_inversion
    rubix_cube
    serpent

    web2

    double_nested
    markdown_renderer

    2024

    43 challengesCTFtime

    crypto12

    accountleak
    alkane
    assume
    c_8
    hulksmash
    iodomethane
    lightweight_crypto_guard_system
    lithium_stearate
    tetraethyllead
    titanium_isopropoxide
    u_235
    weird_crypto

    forensic5

    conversations
    minisculest
    pals
    purified
    thatsmyjam

    misc6

    golf_hard
    golf_harder
    ml_project
    puzzling
    roundabout
    trip

    pwn5

    baby_heap
    cowsay
    fullerene
    ring_opening_polymerization
    sled

    rev9

    cagnus_marlsen
    clf3
    embedder
    garfield_mondays
    guess_what
    pseudo_brainrot
    slider
    stream_complimentary
    wt_two

    web6

    fetcher
    kaboot
    music_checkout
    reader
    templater
    topplecontainer

    2023

    31 challengesCTFtime

    crypto9

    aluminum-isopropoxide
    baby-rsa
    drm-1
    e
    ezdlp
    iheartrsa
    keysmith
    merky-hell
    squishy

    pwn6

    flip-out
    formatter
    groppling-hook
    painter
    shelly
    teenage-game

    rev8

    div3rev
    dream
    drm-2
    ily-df
    maybe
    save-trees
    scramble
    wtmoo

    web8

    back-to-the-past
    complainer
    ez-sql
    notes
    outdated
    pay-to-win
    swill-squill
    yolo

    2022

    31 challengesCTFtime

    crypto9

    7sckp
    cipher-master
    complex-secrets
    copper-master
    factor-master
    mac-master
    merkle-master
    morph-master
    rsa-apprentice

    pwn6

    babyheap
    babyheapng
    favorite-color
    moar-horse-5
    vacation-1
    vacation-2

    rev5

    block-game
    boxed-python
    fast-web
    take-a-l
    woodchipper

    web11

    analects
    ascordle
    dnu-merch
    fleecebook
    fruit-store
    game-leaderboard
    jokster
    mmocc
    photoable
    portalstrology
    viewy

    2020

    7 challengesCTFtime

    misc7

    cookie_library
    el_primo
    match
    naughty
    osrs
    seashells
    stop
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