Kumi logo
    Kumi

    Learn Japanese. Where understanding folds into fluency.

    Dictionary

    KanjiKanji vocabularyKana vocabularyKanaRadicalsGrammarJLPT N5

    Learn

    GuidesStart where you areWhat is KMT?RoadmapFAQ

    Connect

    EmailDiscordInstagramThreadsTikTokYouTubeLinkedInBlueskyX

    Newsletter

    Start learning free →

    Free forever tier. No card required.

    © 2026 Kumiai Inc. All rights reserved.

    AboutFAQContactStatusPrivacyTermsAttributions
    Dictionary
    1. Dictionary
    2. Kanji Vocab
    3. スマホ認証

    スマホ認証

    ス​マ​ホ​認にん証しょう

    smartphone authentication

    NTNounTechnologyKanji Vocab34 strokes

    スマホにんしょう

    Noun

    1.
    smartphone authentication, two-factor authentication (using a smartphone)

    Stroke 0 / 34

    Speed1.0x

    Characters that make up this word

    認
    みと.める・したた.める…(1)
    acknowledge・witness・discern・recognize・appreciate…(1)
    Kanji
    証
    あかし…(1)
    evidence・proof・certificate
    Kanji
    ス
    su
    Kana
    マ
    ma
    Kana
    ホ
    ho
    Kana
    Kumi logo

    Track your mastery

    Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.

    Related concepts for this entry

    Used in vocabulary

    • 認
    • 証
    • ス
    • マ
    • ホ

    Explore more

    Kanji Vocab dictionary›Browse all entries›