#postquantum

Live, measured metrics for the hashtag #postquantum 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 #postquantum

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.

$10.85/ year · 11-character #name
Claim #postquantum — $10.85/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
6
Uses / 7 days
Mastodon
6
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0.1/hr
Recent pace
Mastodon · last 40
0.2
Avg reactions / post
Mastodon · last 40
—
Reddit posts / month
Reddit search
—
Open-web mentions
hashtag.org Firehose

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-15 20:43 UTC
0
09-09
1
09-10
2
09-11
0
09-12
0
09-13
2
09-14
1
09-15

6 uses by 6 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-15 20:43 UTC
#postquantumcryptography
0 uses · 0 accounts / 7d
#postquantumencryption
0 uses · 0 accounts / 7d
#postquantumtlsmigration
0 uses · 0 accounts / 7d
#postquantumcrypto
0 uses · 0 accounts / 7d
#postquantum_cryptography
0 uses · 0 accounts / 7d
#PostQuantumAgility
0 uses · 0 accounts / 7d
#PostQuantumKryptographie
0 uses · 0 accounts / 7d
#PostQuantumSafe
0 uses · 0 accounts / 7d
#postquantumcrypti
0 uses · 0 accounts / 7d
#postquantummodernism
0 uses · 0 accounts / 7d
#postquantumcrptography
0 uses · 0 accounts / 7d
#postquantumprivacy
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-15 20:43 UTC

Everything below is measured over the latest 40 public posts (spanning ~763 hours).

Posting hours (UTC) — busiest: 00:00

00:0012:0023:00

Languages: English (36) · German (1) · Spanish (1) · Italian (1)

Avg boosts / post: 0.4

Top of the latest posts

  • Meet KEMchatka: an experimental, serverless P2P terminal chat over Tor hidden services. No accounts, no port forwarding, zero disk logging. ​Features hybrid post-quantum encryption: X25519 + ML-KEM-1024 (FIPS 203) combined via HKDF-SHA512 t

    nickbearded@[email protected]♥ 8↻ 52026-08-15 17:17 UTCView post →

  • The quantum threat is approaching. How should we prepare? Join Bart Preneel at the #PQCSA Workshop in Bonn on 6 Oct 2026 for his talk: "The Quantum Threat: Why Act Now?" Registration is open: https://www.esat.kuleuven.be/cosic/events/pqcsa-

    CosicBe@[email protected]♥ 0↻ 02026-09-15 10:22 UTCView post →

  • RE: https://infosec.exchange/@technotenshi/117271703277002828 One might despise #Cloudflare (also as a US Big Tech player) as much as one likes. But it's really cool to see how they're promoting Good Things (TM) on cryptographic agility. #P

    Guy@[email protected]♥ 0↻ 02026-09-14 22:42 UTCView post →

#postquantum across platforms

every network with a public tag surface

Follow #postquantum 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/postquantum