
ChainDuel V2: What Happened on the First Week
Francis Mars, 6/26/2026, 13 engagements
thoughts of a Bitcoin human • https://chainduel.net • https://pubpay.me

Francis Mars, 6/26/2026, 13 engagements

Francis Mars, 6/22/2026, 8 engagements

Francis Mars, 5/7/2026
An overview of what we did in the Bitcoin Vibe Camp in Prospera, by
with
9/11/2026, 16 engagements
The BitcoinVibecamp at Prospera ZEDE was nothing short of unbelievable. In 4 days we got nearly 20 people to deploy their first Bitcoin+Nostr application. Congratulations to everyone, and to
for best voted app! Thank you
for the initiative https://blossom.primal.net/fa3e2c3e369e984db5bc2c6cc6be69c7a31f175da18b521b10679e812f48f3eb.png https://blossom.primal.net/61bb9e28c6a577e97facac49871ef87c849f9ef20b04f562dfc822415e583c4e.png https://blossom.primal.net/1b29d552a942518215433a2550776c7bccce797c8f84af7605f6cc32271ff871.png https://blossom.primal.net/c8df535ff5554b458d70b59c0435d25ae3d34a4fe0da00512c377d5fd215f495.png

8/22/2026, 23 engagements

8/21/2026, 5 engagements
🎉 Just finished Island Bitcoin Vibe! Score: 1080/1200 🟠 Bitcoin Pro Off-Ramp Bonus: 40/200 🏧🤝 Bitcoin Center: 900/1200 🎓 Vibe Coding Camp: 1500/1500 💻 Leaderboard Score: 3520 Taught 3 island businesses to accept bitcoin 🌴₿
8/20/2026, 2 engagements
Although I haven't been posting lately on Twitter Clones, I still use Nostr every day.
8/11/2026, 1 engagement
8/2/2026, 4 engagements
Ark, three different approaches


7/24/2026, 1 engagement


7/22/2026, 2 engagements
Do you like building nostr apps? Maybe you should join the vibecamp


7/22/2026, 4 engagements
Nostr is a place where everyone has their own app and we share memes


7/22/2026, 3 engagements
7/21/2026, 3 engagements


7/20/2026, 3 engagements
Haters gonna hate Builders gonna build
Adoption and awareness are a cornerstone of Bitcoin’s effectiveness as a freedom technology. Bitcoin cannot serve human rights defenders operating in hostile or restrictive environments if people do not understand how to use it safely, confidently, and independently. Tools like
lower the barrier to entry by transforming abstract concepts into lived experience. Education through interaction is often far more effective than documentation or theory, especially in environments where technical literacy, trust, or access may be limited.
7/18/2026, 1 engagement
The room was packed. Everyone was there for the Nostr talk, to hear from people who truly know what they're talking about:
,
, and many others.
But I was up first. The schedule was already running late.
So I walked onto the stage in the biggest Bitcoin conference in the world and did something nobody else had dared to do yet: I asked everyone to use Nostr. Live.
"Zap me," I said. "Your zap, your Nostr profile, and your message will appear live on the screen next to me."
Nostr can be a little shaky. This demo had every chance to fail.
And the best part?
It did.
My
wallet never received the payments. No zap came through. There I was, on stage, in front of a packed room at the biggest conference in the world, telling people to use Nostr... and it didn't work.
Honestly, it couldn't have been a better demonstration of how much work we still have to do.
Luckily, the room was full of Nostr believers. They didn't laugh at the failure. They understood exactly why it mattered.
7/17/2026, 3 engagements
AND THEY SAID IT COULDN'T BE DONE
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7/15/2026, 4 engagements
I just beat the TEAM SOVEREIGN challenge on
and got 6,900 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.
7/15/2026, 7 engagements
PROBLEM Human rights defenders, journalists, NGOs, and activists in authoritarian environments cannot reliably receive donations. Banks freeze accounts, PayPal and GoFundMe remove campaigns, and donors fear retaliation. Bitcoin’s Lightning Network solves settlement—but most tools still require merchant infrastructure, custodians, or platforms that can be pressured to cut access.
SOLUTION
combines Nostr (permissionless identity + public posts) with Lightning zaps (instant, verifiable payments). A defender publishes a “paynote”—a Nostr note with payment rules—and anyone worldwide can donate via Lightning. Payments are recorded as public zap receipts on relays: transparent, verifiable, and impossible for a single company to erase. Donors can contribute anonymously. No signup wall is required to pay.
7/7/2026, 6 engagements
Cloning twitter is for cucks
7/7/2026, 1 engagement
Chain Duel — you're challenged
1000 sats on the line · room PNUYD9 Join the room and take the open seat:
https://game.chainduel.net/online/r/PNUYD9
Spectators welcome — same link, watch without playing.
6/26/2026, 2 engagements
After nearly 4 years of building
, we finally launched the online version.
The first 6 days taught us a lot, including one growth channel we weren't expecting.
Here's a short launch report with the numbers, surprises, and lessons learned 👇
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6/26/2026, 36 engagements
everyday new improvements and fixes in
thanks to people's great feedback https://blossom.primal.net/e7c8268f6efa24b6f62179431c5983c139fda120bc49f00c2cf455bf8414f9d0.jpg

6/25/2026, 5 engagements
Nostr? I hardly know hr
Chain Duel — you're challenged
1000 sats on the line · room NJ6Z5C Join me in the lobby and take the open seat:
https://game.chainduel.net/online/lobby?roomId=mqsfjl2m-UGJC52
Spectators welcome — same link, watch without playing.
Some users (mostly french keyboards) reported the keys weren't responding correctly so now you can choose which keys you want to use. https://blossom.primal.net/fc62cbf9b1118f7a7bb15e24cb9aa0b8dc66ea085e33c231f90c75d78e0ca865.png

6/24/2026, 1 engagement
reported that
was correctly getting users most recent kind-3 so I finally followed
and implemented the Outbox model (NIP-65) https://blossom.primal.net/76b25d50503f6db6d548167268d2c20303f7592324871cf6e94150677d54fe06.png

6/24/2026, 3 engagements
Following
suggestion, today I applied for an
grant with
6/24/2026, 1 engagement
Just restarted Marspay to fix a bug reported by
and
where FFA Rumble Challenge was not always rewarding the prize. Hopefully it's fixed now.



6/23/2026, 6 engagements
58 different countries it's nearly unbelievable 🤯
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6/23/2026, 2 engagements
Teams are forming.. Nostr:nprofile1qqs88qk7hg4ej4j08hkulhvhgx9yfnhppj9qyp0mrv3tfljqx4xpsug9gqlh7
6/23/2026, 1 engagement

6/23/2026, 6 engagements
Which apps allow for nostr connect/bunker? Other than amber and primal
V2 is out. Real matchmaking, challenge bounties, and a social layer that actually works.
Here's what changed, and why it matters for Nostr growth:
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#Bitcoin #Lightning #Nostr #gaming
Someone DM'd me saying it was a huge mistake to build the new version of
on Nostr because it's dying 🥲
running a server is hard https://blossom.primal.net/01e1832754ce8b1831bc179faad5e4e741945c459f207920e34a2b9f3c2287ab.png

v2 launch first 19 hours on Nostr:
→ 890 unique IPs fetched the link preview → 147 players connected → 56 challenge wins → 6,859 sats paid out in bounties → Traffic from Primal, Amethyst, Jumble, Yakihonne, nostter...
Come play 👇
6/22/2026, 7 engagements
I made the bots too easy. It's basically free money
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I just beat the SOVEREIGN GAUNTLET challenge on
and got 1,337 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.
I just beat the FFA RUMBLE challenge on
and got 600 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.
I just beat the NODE RUNNER challenge on
and got 210 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.
I just beat the STACKER TRIAL challenge on
and got 50 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.
I just beat the NORMIE DUEL challenge on
and got 21 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.
I just beat the NORMIE DUEL challenge on
and got 21 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.
FREE SATS! You can now login with nostr on the
website and try to beat the challenges. https://game.chainduel.net/


6/21/2026, 60 engagements
If you're building on Nostr, you're either a retard or a genius
I need to make my bots harder 😅
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I just beat the STACKER TRIAL challenge on
and got 210 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.
I just beat the NORMIE DUEL challenge on
and got 21 sats ⚡
Can you beat it?
Sign in with Nostr → pick a challenge → beat the bot → collect sats.