14x International Hackathon Winner Web3 & AI dev | repos for vibe coders | hackathon alpha
Indonesia
Joined April 2025
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🚨 BANG DROP ZONE IS OPEN.
Not for lurkers.
For people who BUILD.
Hackathons • AI • Web3 • Dev
Alpha • Resources • BTS • Opportunities
And I decided to make this group public but with more strict rules
⚠️ RULES
• 3 days inactive → auto kick
• No spam / random promo
• No drama / toxicity
• Keep shared info private
• Contribute, don’t just watch
• Quality > quantity
Free to join.
No paid access.
Show up. Build. Level up. 🚀
🔗 t.me/BangDropZone
Build. Share. Vibe.
🤖 Made with AI
Money math is where rounding hides. Tera's migration planner summed per-customer MRR after rounding each one: 10,000 annual customers at $100/yr showed $83,300 MRR instead of $83,333.33.
Now totals round once from exact amounts and ARR is exact. A test pins the 10,000-customer case.
@Test_Sprite #TestSpriteHackathon
xitter.cf/BangDropID/status/2113…
A code audit of Tera found metered usage silently dropped when a usage-based subscription was cancelled with an invoice.
Instead of guessing, I asked Stripe: 7 live test-clock probes, 7 new hand-derived scenarios (S118–S124). All 7 match Stripe to the cent. 121/121 timelines now.
@Test_Sprite #TestSpriteHackathon
tera-orpin-three.vercel.app/…
check how deep the prizes go, not how high
one i entered paid down to 5th place
your odds of placing 4th are much better than your odds of winning, and nobody plans for 4th
firecrawl shipped anydoc, and it pairs with pdf-inspector into one unglamorous pipeline
every AI product touching contracts, invoices or forms hits the same wall first: getting a document into text the model can actually use
it's the least interesting problem in the stack and the one that breaks the most builds
github.com/firecrawl/anydoc
$100,000 prize pool, deadline December 4
Kiroween 2026. starts Oct 30, so you get five weeks
512 participants registered so far, which against a six-figure pool is a ratio worth noticing
kiroween.devpost.com/
Bug found by probing Stripe, not by a test: Stripe's prices.list accepts at most 10 lookup_keys, so any Tera catalog with 11+ prices failed to push to Stripe test mode (the API allows 50).
Fix: chunk the keys. Test: a fake account that enforces the limit. It fails without the fix.
#TestSpriteHackathon @Test_Sprite
xitter.cf/BangDropID/status/2113…
A code audit of Tera found metered usage silently dropped when a usage-based subscription was cancelled with an invoice.
Instead of guessing, I asked Stripe: 7 live test-clock probes, 7 new hand-derived scenarios (S118–S124). All 7 match Stripe to the cent. 121/121 timelines now.
@Test_Sprite #TestSpriteHackathon
tera-orpin-three.vercel.app/…
Tera's API now has stateful contract tests: Arazzo workflows run by Redocly Respect on every PR preview.
A client finds scenario S05 by rule, fetches its hand-derived invoices, replays the timeline, and the engine must hit −1403, 3823, 7900 = $103.20. Every response is also checked against the OpenAPI spec.
@Test_Sprite #TestSpriteHackathon
xitter.cf/BangDropID/status/2113…
A code audit of Tera found metered usage silently dropped when a usage-based subscription was cancelled with an invoice.
Instead of guessing, I asked Stripe: 7 live test-clock probes, 7 new hand-derived scenarios (S118–S124). All 7 match Stripe to the cent. 121/121 timelines now.
@Test_Sprite #TestSpriteHackathon
tera-orpin-three.vercel.app/…
Bangdrop retweeted
🏆 #HackCanton S3 — THE WINNERS ARE IN!
3 weeks of building. 12 Grand Finalists. Here's who took home the prizes.
🏆 OVERALL WINNERS
🥇 Canborsa Lending (@Canborsa_DEX) — $2,000
🥈 Exodus — $1,250
🥉 Tavryn — $750
🎯 BEST IN TRACK · $500 EACH
• Financial Applications — Talang
• RWA & Business Workflows — PledgeGuard
• Investment Infrastructure — Alluvren
• Data & Analytics — Plimsoll
🛡 @BitSafe_Finance · 50,000 canton-network:native
🥇 Gold — Umbra (@UmbraOnCanton) · 30,000 CC
Contribution Pool:
• CompressRail (@CompressRail) — 12,000 CC
• Indivisa — 6,000 CC
• Canborsa Lending — 2,000 CC
👛 @grofty_labs · 10,000 canton-network:native
🥇 Talang — 5,000 CC
🥈 GroftPay — 3,000 CC
🥉 Collat.Trade — 2,000 CC
Plus @NODERS_TEAM NaaS & Ambassador benefits for the finalists.
Some teams took home more than one award. Every team gave us something worth watching.
Huge respect to all the builders, judges, sponsors and partners who made S3 happen 🤝
🎥 Missed the Grand Final?
youtu.be/MLOPH98GshA
🚀 Szn 4 reg is OPEN:
appsfactory.cc/hackathons
Favourite bug from today's Playwright QA pass on Tera: a "start trial" with no length produced 4 invoices. Stripe produced 3, because without trial_period_days Stripe starts no trial at all.
Now it's a 400 with a clear message. 13 bugs found, 13 fixed, each with a test left behind.
@Test_Sprite #TestSpriteHackathon
xitter.cf/BangDropID/status/2113…
A code audit of Tera found metered usage silently dropped when a usage-based subscription was cancelled with an invoice.
Instead of guessing, I asked Stripe: 7 live test-clock probes, 7 new hand-derived scenarios (S118–S124). All 7 match Stripe to the cent. 121/121 timelines now.
@Test_Sprite #TestSpriteHackathon
tera-orpin-three.vercel.app/…
Wrote up how Tera works: a billing simulator where no expected value comes from my own code. Every golden is derived by hand, then graded by real Stripe test clocks; fuzzing turns every disagreement into a new rule; @Test_Sprite gates every PR.
Including what went wrong.
dev.to/hudapugar/i-let-strip…
#TestSpriteHackathon
xitter.cf/BangDropID/status/2113…
A code audit of Tera found metered usage silently dropped when a usage-based subscription was cancelled with an invoice.
Instead of guessing, I asked Stripe: 7 live test-clock probes, 7 new hand-derived scenarios (S118–S124). All 7 match Stripe to the cent. 121/121 timelines now.
@Test_Sprite #TestSpriteHackathon
tera-orpin-three.vercel.app/…
A code audit of Tera found metered usage silently dropped when a usage-based subscription was cancelled with an invoice.
Instead of guessing, I asked Stripe: 7 live test-clock probes, 7 new hand-derived scenarios (S118–S124). All 7 match Stripe to the cent. 121/121 timelines now.
@Test_Sprite #TestSpriteHackathon
tera-orpin-three.vercel.app/…
the requirement that scares people off is where the odds are
"every submission must integrate X" makes most people close the tab. that's the point
narrow briefs have thin fields
the real signal isn't stars, it's when other projects start targeting you
pi is being treated by independent projects as a first-class host worth building against. that's the moment a tool becomes a platform
star counts measure attention. integrations measure commitment, and only one of those survives the month
github.com/earendil-works/pi
a hackathon where the submission is writing, not code
Decentralize AI by HackerNoon. you write about decentralized AI, and there's compute from the sponsors to actually build what you're writing about
➤ $51,750+ prize pool
➤ $35,000 in AI compute credits for participants
➤ Round two runs November 2026 to February 2027
➤ Half the pool awarded per round
➤ Extra $450 pool for a follow-up post showing what you built with the credits
decentralizeai.tech
TALANG WON. TWICE.
1st place in the @grofty_labs Wallet & Onboarding challenge AND Best in Track, Financial Applications
at the #HackCanton Season 3 hackathon!!!
Still can't believe it. Massive thanks to @appsfactory_cc, @CantonNetwork, @grofty_labs and every judge and mentor who pushed us all the way.
Talang is just getting started.
#BuildOnCanton
Talang made it to the HackCanton Season 3 Grand Final 🎉 @appsfactory_cc @CantonNetwork
Talang is a sealed-bid repo desk on Canton. A fund borrows cash against its bonds from a panel of lenders, and each lender’s rate reaches the borrower and no one else.
Why it matters: ask five dealers for repo and all five learn you need cash and what you hold. The four who lose keep that knowledge, so big holders end up asking just one dealer and paying for it in rate. On Talang, losing quotes are refunded without ever being revealed.
How it works:
🔒 Lenders quote a rate and haircut with the full principal locked behind it. Rivals and the regulator never see it.
⚡ Award is atomic: bonds pledged, cash delivered, losers refunded, all in one step.
📈 Margin calls use the valuation agent’s signed mark, not either side’s spreadsheet.
🔁 Substitution, repurchase with ACT/360 interest, and default are all enforced by the contract.
👁️ The regulator sees every event of an open repo and nothing upstream of it.
🪙 Pledges use the Canton Token Standard, so any standard wallet shows them as locked positions.
It’s live on DevNet. Try it yourself 👇
🔗 talang-desk.vercel.app
💻 github.com/PugarHuda/talang
Grand Final goes live Oct 21, 14:00 UTC. Congrats to the other 11 finalists 🙏
#Canton #HackCanton #RWA
one CLI that lets your agent read and search Twitter, Reddit, YouTube, GitHub, Bilibili and XiaoHongShu
zero API fees. no keys to manage, no per-platform tiers
i spend a lot of time manually checking what's moving across those before writing anything. this collapses it into one command your agent can call
github.com/Panniantong/Agent…
Build an AI project with Meta's models, $1,000,000 prize pool
Meta Global AI Developer Hackathon 2026
Hosted by Meta and Cerebral Valley
10-day virtual competition. Meta Model API, Muse Image, SAM 3.1, Muse Code.
➤ $1,000,000 cash prize pool
➤ Two tracks: indie developers (students included) and startups
➤ Free registration, open worldwide subject to country restrictions
➤ Capped at 20,000 accepted applicants
cerebralvalley.ai/e/meta-ai-…
Bangdrop retweeted
🔷 AXIOM IS RECRUITING 50 AMBASSADORS WORLDWIDE.
We're looking for 50 active voices across all regions to help grow AXIOM, spread the vision, and build our community.
$100/month
REQUIREMENTS:
♢ Create quality content about AXIOM and tag "@Axiom_protocol "
♢ Follow our official X account, like and repost this announcement, and turn on post notifications.
♢ Join our Telegram community: t.me/axiom_protocol
♢ Have at least 500 X followers.
♢ Be active and willing to engage in our Telegram community.
♢ Bring creativity, consistency, and genuine interest in what we're building.
WHAT WE EXPECT:
• Original threads, posts, memes, and educational content.
• Community engagement and meaningful conversations.
• Help spread AXIOM across different regions and crypto communities.
• Represent AXIOM positively and honestly.
🌍 50 spots. All regions. One growing community.
If you're ready to help build AXIOM from the early days, make your presence known.
Apply below 👇
Intelligence That Moves Finance. ♢
Most AI x finance projects promise one thing: "smarter trades."
@Axiom_protocol is going another way. It wants AI to help you understand financial decisions, not just make them for you.
AXIOM calls itself a new kind of financial institution where AI and people work together. The core loop is simple:
Investigate.
You question a decision before you commit to it.
This matters because most retail users don't have an analyst to ask "wait, does this actually make sense?" An AI that pushes back on your thinking can be worth more than one that just tells you what to buy.
It's built on Robinhood Chain, close to where onchain finance and mainstream retail are starting to meet. Being early in that ecosystem is a big deal.
They're also building in public: sharing progress, decisions and direction openly so the community can follow and shape it. In a space full of hype and hidden roadmaps, I respect that.
Right now they're opening 50 ambassador spots worldwide. If you care about AI, finance and onchain tools, it's worth a look.
Intelligence that moves finance.
Follow @Axiom_protocol
Join the community: t.me/axiom_protocol
Early days. Good time to be here.
191,000 stars in a single month. 62,000 in one week
DeepSeek's open source agent harness, dsh. that growth rate doesn't have a close comparison
the part most posts leave out: the project calls itself a developer preview and says compatibility-breaking changes are expected
star velocity and production readiness are unrelated numbers, and this is the clearest example of that i've seen
github.com/deepseek-ai/deeps…
