#java_card

Live, measured metrics for the hashtag #java_card from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #java_card

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$51.02/ year · 9-character #name
Claim #java_card — $51.02/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
7
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 7
0
Avg reactions / post
Mastodon · last 7
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · mastodon.online (Mastodon public tags API) · fetched 2026-11-08 12:33 UTC
0
11-02
0
11-03
0
11-04
0
11-05
0
11-06
0
11-07
0
11-08

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · mastodon.online (Mastodon public search API) · fetched 2026-11-08 12:33 UTC
#stマイクロエレクトロニクス_信頼性の高い電子idと電子政府アプリを実現するスマートカード_プラットフォーム_steid_java_card_を発表
0 uses · 0 accounts / 7d

Live pulse

measured · mastodon.online (Mastodon tag timeline) · fetched 2026-11-08 12:33 UTC

Everything below is measured over the latest 7 public posts (spanning ~5611 hours).

Posting hours (UTC)

00:0012:0023:00

Languages: Russian (7)

Avg boosts / post: 0

Top of the latest posts

  • UICC HOTP: генерируем одноразовые пароли на SIM-карте Всем привет! В прошлых статьях речь шла о возможностях смарт-карты, которые не получают должного освещения в публикациях, а именно: работа с ISD , создание своего SSD , сторонние библиот

    Habr@habr@zhub.link♥ 0↻ 02026-10-26 08:52 UTCView post →

  • Java Card: создаем Supplementary Security Domain В предыдущей статье мы воспользовались встроенными в смарт-карту механизмами безопасной персонализации апплета, тем самым нивелировали две проблемы: 1. городить свой ЗОС; 2. самоотверженно от

    Habr@habr@zhub.link♥ 0↻ 02026-10-14 10:12 UTCView post →

  • Используем ISD для защищенной персонализации Java Card апплета Всем привет! В статье «Асимметричная криптография в JavaCard» приводится пример создания канала защищенного обмена сообщениями на сессионных симметричных ключах, вырабатываемых

    Habr@habr@zhub.link♥ 0↻ 02026-10-05 18:02 UTCView post →

What “java_card” means

Wikipedia

Java Card is a software technology that allows Java-based applications (applets) to be run securely on smart cards and more generally on similar secure small memory footprint devices which are called "secure elements" (SE). Today, a secure element is not limited to its smart cards and other removable cryptographic tokens form factors; embedded SEs soldered onto a device board and new security designs embedded into general purpose chips are also widely used. Java Card addresses this hardware frag

“Java Card” on Wikipedia (CC BY-SA) →

#java_card across platforms

every network with a public tag surface

Follow #java_card straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/java_card