Cryptography Playground, a Rust/Tauri notebook for toy ciphers
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Quiet launch
Beat 34% of Show HN launches that day
#76 of 179 on Nov 11
#2 of 3 Crypto & Web3 launches on Show HN on Nov 11. 11.1% of Crypto & Web3 launches (1 of 9) reached 10+ points in the last 7 days. See Crypto & Web3 →
points · traction gained Nov 12, 10:31 UTC → Nov 13, 10:27 UTC · % shown only when the previous traction was 5+
Still tracked: re-read by each daily run while under ~168h old (window closes ~Nov 18, 22:20 UTC).
comments · buzz 0 in latest interval
listed Nov 11, 22:20 UTC
Traction (points) over time
Key statistics
- Traction
- 2points
- Comments
- 0
- Rank in CRPT this week
- #4of 11 HN
- Rank overall this week
- #339of 1,038 HN
- Sector hit rate
- 11.1%1/9 · 7D
- Traction line
- Below10+ points
- First reading
- 2Nov 12, 10:31 UTC
- Last reading
- 2Nov 13, 10:27 UTC
- Readings
- 2over 36h
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1 of 9 Crypto & Web3 launches on Show HN reached 10+ points over the last 7 days. The weekly brief shows what they did differently, so you can compare Cryptography Playground, a Rust/Tauri notebook for toy ciphers.
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Top on Nov 11 · 179 Show HN launches that day, by points
- #1YogurtFree, private, open-source alternative to Granola290 points
- #2I recreated Papers Please but you're deciding which YC startups to fund239 points
- #3Black Ops II statically recompiled to native ARM64 macOS149 points
- #4Godbolt-in-a-floating-window for Neovim (C, C++, Rust)104 points
- #5Klad, a paint app your coding agent can drive (source-available)83 points
More in Crypto & Web3 · top Show HN launches, last 7 days
- Did prediction markets do any predicting this midterms?35 points0
- Free real-time order book heatmap for Bitcoin, gold and US 5003 pointsfrozen
- 130M mutations against Solana's consensus parsers, zero crashes3 points0
- I mapped all known crypto scams2 points0
- Nekolikea coin pusher roguelike you rebuild between floors2 points0
Grades · each graded against other Crypto & Web3 launches from the same source
Momentum
—+0 points
Traction gained in the latest daily interval
Too few peers to grade (8; need 20)
Velocity
B0.06 points/h
Votes per hour since listing (age capped at 48h)
Better than 65% · vs 36 Crypto & Web3 · Show HN launches, last 30 days
Engagement
——
Comments per 10 points
Needs 10+ points; below that the ratio is mostly noise
Staying Power
——
Votes at last reading ÷ votes at first reading
Still being tracked; graded once settled (48h)
Launch-day race · #76 of 179 Show HN launches on 2026-11-11
- #74W-ISA2 points
- #75Dogfood Bench2 points
- #76Cryptography Playground, a Rust/Tauri notebook for toy ciphers2 points
- #77Whole Body Compute2 points
- #78Try a Mac file assistant in the browser, nothing uploaded2 points
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Discussion
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- CategoryCrypto & Web3: supply, hit rate, top launches →
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Data as of Nov 13, 2026, 9:22 AM UTC. Sector comes from keyword rules on the title and tagline and can be wrong. How it works